求比值:0.25:3,0.05:3,2.45:1.4,1.25:0.25
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![求比值:0.25:3,0.05:3,2.45:1.4,1.25:0.25](/uploads/image/z/3136858-34-8.jpg?t=%E6%B1%82%E6%AF%94%E5%80%BC%EF%BC%9A0.25%3A3%2C0.05%3A3%2C2.45%3A1.4%2C1.25%3A0.25)
求比值:0.25:3,0.05:3,2.45:1.4,1.25:0.25
求比值:0.25:3,0.05:3,2.45:1.4,1.25:0.25
求比值:0.25:3,0.05:3,2.45:1.4,1.25:0.25
求比值:
0.25:3 = 1/4 ×1/3 = 1/12
0.05:3,= 1/20 ÷3 = 1/60
2.45:1.4 = 2.45 ÷1.4 = 1.75
1.25:0.25 = 1.25 ÷0.25 = 5
0.25:3=1/4×1/3=1/12
0.05:3=1/20×1/3=1/60
2.45:1.4=245/140=1.75
1.25:0.25=125/25=5