Question

5.6x12.3-1.3x5.6简便计算？

Answer 1

5.6x12.3-1.3x5.6
=5.6x（12.3-1.3）
=5.6x（10+1）
=5.6x10+5.6x1
=56+5.6
=61.6
希望能帮到你！

Answer 2

因为两个乘式中都有5.6，所以运用乘法分配律逆运算就是有5.6×（12.3-1.3）=5.6×11=5.6×10+5.6×1=61.6