Question

3.25×7.6＋32.5×0.25－0.325的简便计算

Answer 1

3.25 32.5 0.325 10倍关系,统一下

3.25*7.6+3.25*2.5-3.25*0.1

=3.25*（7.6+2.5+0.1）

=3.25*10

=32.5