2.5×3=7.5,要想使积变成0.75,应怎样改变乘法算式中的乘数?请写出五道积为0.75的乘法算式,如;0.25×3=0.

问题描述:

2.5×3=7.5,要想使积变成0.75,应怎样改变乘法算式中的乘数?请写出五道积为0.75的乘法算式,如;0.25×3=0.

0.025×30=0.75
0.0025×300=0.75
2.5×0.3=0.75
25×0.03=0.75
250×0.003=0.75