答:125X96这样计算比较简便:
方法一:想办法把96拆开,变成8X12即:125X96=125X8X12=1000X12
=12000,
方法二:给125X96,乘以8,再除以8,积不变:
125X96=(125X8)X(96÷8)=1000X12
=1200,
答:125X96这样计算比较简便:
方法一:想办法把96拆开,变成8X12即:125X96=125X8X12=1000X12
=12000,
方法二:给125X96,乘以8,再除以8,积不变:
125X96=(125X8)X(96÷8)=1000X12
=1200,