Question

12.5×66.4+37.5×11.2怎么简算？

Answer 1

12.5×66.4+37.5×11.2

＝12.5×66.4+12.5×3×11.2

＝12.5×66.4+12.5×33.6

＝12.5×（66.4+33.6）

＝12.5×100

＝1250

Answer 2

12.5×66.4+37.5×11.2
【分解因数】
=25×0.5×66.4+25×1.5×11.2
【提取25】
=25×(0.5×66.4+1.5×11.2)
=25×(33.2+5×0.3×11.2)
=25×(33.2+5×3.36)
=25×(33.2+16.8)
=25×50
=1250

Answer 3

有关这个算式12.5×66.4+37.5×11.2的简便解答，详细的计算过程及步骤如下：
12.5×66.4+37.5×11.2
=（12.5+37.5）×（66.4+11.2）
=50×77.6
=3880

Answer 4

12.5＊66.4+37.5＊11.2
=12.5＊66.4+12.5＊3＊11.2
=12.5＊（66.4+33.6）
=12.5＊100
=1250

Answer 5

12.5*（60+6+0.4）+37.5*（10+1+0.2）
=12.5*60+12.5*6+12.5*0.4+37.5*10+37.5+37.5*0.2
=750+75+5+375+37.5+7.5
=830+420
=1250