FMT23普通型十进电感箱
产品概述
FMT23普通型十进电感箱是一款专为高校实验室、科研单位及工业应用设计的精密电感调节设备，采用多盘十进式结构，可灵活实现电感的步进调节。该产品通过耐高温绝缘骨架绕制电感线圈，结合优质十进开关，确保电感值稳定可靠。其核心功能是为交流电路提供可变标准电感，适用于滤波、谐振电路、阻抗变换及交流电桥等场景。产品采用模块化设计，每个步进盘均独立引出接线柱，支持串联或并联使用，满足多样化实验需求。56
技术特点
FMT23电感箱最小步进为100mH，最大电感值为11000mH（即11H），可调范围为(0～10)×(100+1000)mH，准确度达0.5%。额定工作电流为0.08A/0.015A（分档设计），适配不同功率的电路实验。产品外壳采用坚固绝缘材料，内部布局合理，减少外部磁场干扰。尺寸为450×140×140mm（三开关组成），重量约4kg，便于搬运和固定安装。使用时应避免置于金属表面或强磁性环境中，以保障测量精度。1219
应用场景
本产品特别适合高校电工电子实验，如一阶/二阶电路响应测试、功率因数提升、交流参数测定等教学演示。在工业领域，可用于设备调试中的阻抗匹配或高频电路设计。用户可通过连接不同颜色接线柱（红黑区分同名端）灵活组合电感值，操作简洁直观。产品推荐在温度20±5℃、湿度≤80%的环境下使用，工作频率建议为1kHz±20Hz，以确保最佳性能。3616
Product Overview
The FMT23 Decade Inductance Box (Standard Type) is a precision adjustable inductance device designed for university laboratories, research institutes, and industrial applications. Featuring a multi-dial decade switching system, it enables stepwise inductance adjustment with high stability. The inductance coils are wound on high-temperature-resistant insulated frames, paired with durable decade switches to ensure consistent performance. Its primary function is to serve as a variable standard inductor in AC circuits, ideal for applications like filtering, resonant circuits, impedance transformation, and AC bridges. Modular design allows independent terminal connections for each decade, supporting series or parallel configurations. 56
Key Specifications
With a minimum step of 100mH and maximum inductance of 11000mH (11H), the FMT23 offers adjustable ranges of (0～10)×(100+1000)mH at 0.5% accuracy. Rated currents are 0.08A/0.015A (dual-range), suitable for low-to-medium power experiments. The robust insulated enclosure minimizes external magnetic interference. Compact dimensions (450×140×140mm for 3-switch version) and 4kg weight ensure portability. Avoid placement on metal surfaces or near strong magnetic fields during operation. 1219
Typical Applications
This product excels in educational settings for demonstrations such as circuit transient analysis or power factor correction. Industrial uses include impedance matching in equipment calibration. Users can combine inductance values via color-coded terminals (red/black for polarity), with intuitive operation. Recommended operating conditions: ambient temperature 20±5°C, humidity ≤80%, and frequency 1kHz±20Hz for optimal results. 3616
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十 进 电 感 箱( 普通型 )
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序号
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型号
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开关数
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小步进mH
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大电感mH
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可调范围mH
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准确度%
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额定电流A
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出厂价￥
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4-1
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GX9/00
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1
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0.001
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0.01
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(0～10)×0.001
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10
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0.6
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750
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4-2
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GX9/0
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1
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0.01
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0.1
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(0～10)×0.01
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5
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0.6
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670
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4-3
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GX9/1
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1
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0.1
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1
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(0～10)×0.1
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2
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0.6
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600
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4-4
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GX9/2
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1
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1
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10
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(0～10)×1
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1
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0.38
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670
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4-5
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GX9/3
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1
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10
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100
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(0～10)×10
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0.5
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0.15
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700
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4-6
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GX9/4
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1
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100
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1000
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(0～10)×100
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0.5
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0.05
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700
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4-7
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GX9/5
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1
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1000
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10000
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(0～10)×1000
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1
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0.01
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700
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4-8
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FMT12H
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1
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5
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20
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(0～4)×5(高频)
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0.5
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0.6
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880
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4-9
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FMT/001
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2
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精密纳亨电感箱
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(0～10)×(0.01+0.1)μH
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5
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2.2
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2050
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4-10
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FMT200
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2
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0.01
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1.10
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(0～10)×(0.01+0.1)
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2
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2.2/1.5
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1150
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4-11
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FMT20
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2
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0.1
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11.0
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(0～10)×(0.1+1)
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1
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1.5/1.0
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1150
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4-12
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FMT21
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2
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1
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110
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(0～10)×(1+10)
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0.5
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1.0/0.6
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1050
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4-13
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FMT22
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2
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10
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1100
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(0～10)×(10+100)
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0.5
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0.6/0.08
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1150
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4-14
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FMT23
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2
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100
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11000
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(0～10)×(100+1000)
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0.5
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0.08/0.015
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1200
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4-15
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FMT300
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3
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0.001
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1.110
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(0～10)×(0.001+0.01+0.1)
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2
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2.2/1.5
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1400
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4-16
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FMT30
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3
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0.01
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11.10
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(0～10)×(0.01+0.1+1)
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1
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2.2/1.0
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1400
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4-17
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FMT31
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3
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0.1
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111.0
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(0～10)×(0.1+1+10)
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0.5
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1.5/1.0/0.6
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1500
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4-18
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FMT32
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3
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1
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1110
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(0～10)×(1+10+100)
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0.5
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1.0/0.6/0.08
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1600
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4-19
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FMT33
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3
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10
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11100
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(0～10)×(10+100+1000)
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0.5
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0.6/0.015
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1800
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4-20
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FMT400
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4
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0.001
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1110.0
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(0～10)×(0.001+0.01+0.1+1)
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1
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2.2/1.0
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1800
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4-21
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FMT40
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4
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0.01
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111.10
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(0～10)×(0.01+0.1+1+10)
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0.5
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2.2/0.6
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1800
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4-22
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FMT41
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4
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0.1
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1111.0
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(0～10)×(0.1+1+10+100)
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0.5
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1.5/0.08
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1900
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4-23
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FMT42
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4
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1
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11110
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(0～10)×(1+10+100+1000)
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0.5
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1.0/0.015
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2050
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4-24
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FMT500
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5
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0.001
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111.110
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(0～10)×(0.001 + 0.01 + 0.1 + 1 + 10)
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0.5
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2.2/0.6
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2230
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4-25
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FMT50
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5
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0.01
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1111.10
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(0～10)×(0.01 + 0.1 + 1 + 10 + 100)
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0.5
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2.2/0.08
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2230
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4-26
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FMT51
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5
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0.1
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11111.0
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(0～10)×(0.1 + 1 + 10 + 100 + 1000)
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0.5
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1.5/0.015
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2380
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