Question

1.5×49+12.5×0.1怎么简便计算？

Answer 1

算式1.5×49+12.5×0.1使用简便的汪李方法来进旁陵消行解运知答，过程如下：
1.5×49+12.5×0.1
=1.5×49+1.25×1
=（49+1）×（1.5+1.25）
=50×1.75
=87.5

Answer 2

1.5×49+12.5×0.1不能简便计算。斗郑

1.5*49+15*0.1的简好仔便计算方法空袜颂如下:
1.5*49+15*0.1
=1.5*49+1.5*1
=1.5*（49+1）
=1.5*50
=75

Answer 3

1.5×49+12.5×0.1
＝1.5×49＋（15一2.5）x0.1
＝1.5x49十厅帆15x0.1一2.5x0.1
＝15x4.9十扮枯雹15x0.1一0.25
＝15x5一败宽0.25
＝75一0.25
＝74.75

Answer 4

简运陪便计算并行：
1.5×49+12.5×0.1
=1.5×（50-1）绝悄哗+1.25
=1.5×50-1.5+1.25
=75-1.5+1.25
=73.5+1.25
=74.75