Question

25.4-6.38+74.6-3.62的简便运算

Answer 1

25.4-6.38+74.6-3.62的简便运算

25.4-6.38+74.6-3.62
=25.4+74.6-6.38-3.62
=100-10
=90

6.38 3.62*0.15简便运算

6.38 3.62*0.15简便运算
6.38 3.62*0.15
=6.38+0.543
=6.923
直接计算

6.38乘72.9+36.2乘7.29简便运算

6.38×72.9+36.2×7.29
=72.9×（6.38+36.2x0.1）
=72.9×（6.38+3.62）
=72.9×10
=729
谢谢，请采纳

3.62*99+0.362怎么简便运算

3.62*99+0.362
=3.62*（100-1）+0.362
=362-3.62+0.362
=358.38+0.362
=358.742

1.27*4.52+25.4*0.274怎么简便运算

1.27*4.52+25.4*0.274怎么简便运算
1.27*4.52+25.4*0.274
=
5.7404+6.9596
=12.7

8.97÷(25.4-18.5)的简便运算怎么做

原式
=8.97÷（25.5-18.5-0.1）
=8.97÷（7-0.1）
=8.97÷6.9
=1.3

6.38*9.9+33*3.62*0.3用简便算

原式=6.38*9.9+3.62*9.9=（6.38+3.62）*9.9=10*9.9=99
希望采纳

3.62加上9再乘于3.62小数的简便运算怎么做

3.62加上9再乘于3.62小数的简便运算怎么做
3.62加上9再乘于3.62
=3.62*（1+9）
=3.62*10
=36.2

6.38+5.4+4.6+3.62的简便算怎么算

6.38+5.4+4.6+3.62的简便算怎么算
=(6.38+3.62)+(5.4+4.6)
=10+10
=20

数学解答：3.6x25.4+37.9x6.4 简便运算

3.6x25.4+37.9x6.4=（10-6.4）x25.4+37.9x6.4
=254+（37.9-25.4）x6.4
=254+12.5x6.4
=254+12.5x8x0.8
=334