Question

简便计算哦

Answer 1

 

追问

1.6乘7.5乘1.25简便计算

追答

15

追问

过程

追答

1.6拆开2乘0.8

追问

3Q

Answer 2

3.4×7×1.5
=3.4×7×0.3×5
=(3.4×5)×(7×0.3)
=17×2.1
=35.7

Answer 3

(3.4+1.5)×7 =4.9×7 =34.3

Answer 4

3.4X(5十2)x1.5=3.4x5十2x1.5二17十3=20

Answer 5

简单的，口味不错

Answer 6