Question

3×1/4=100×0.0075写出比例？

Answer 1

因为比例式的内项之颤尺悉积等于外项之积。
所茄乎以:3×1/4=100×0.0075可困渣以写成比例式:
100:3=1/4:0.0075

Answer 2

3×1/4=100×0.0075
100:3=1/弊历宏烂燃4:0.0075
100:3=1:0.03
100:3=100:3
或3×1/4=100×0.0075
3/租册4=0.75
3/4=3/4
3:4=3:4