Question

四年级下的小数的脱式计算简便计算帮我写100个过程也写上？

Answer 1

210+405÷9×12
4020÷20-18×11
2.5×0.23×4
1.25×4.8
3.7×102
7.8×99
8.24×5.4+6.4
1.2×0.4+7.8

3.08×7.5+4.3
4.17-3.5×2.6
4.1×85.1+7.4
1.25×9.01+0.3

84.4+1.4×5.2
4.27×0.35+4.8
9-3.6×1.25 8×0.4-2.1
5.2×4.3+8.7

9.4×7.2-7.4
6.04×1.04+8.4
4.81×2.4+1.02
8.04×9.4-0.46

7.05-2.4×5.4
7.42-3.15×0.23
24.5×0.21-2
4.78+0.28×5.1

27.1×0.3+5.8
9.04×0.4+3.6
4.1×0.6+9.4
2.7+7.3×2.01

3.48×0.24+8.6
8.14-2.3×0.42
7.5×2.4-3.4
7.1×9.4-4.07

5.12-8.14×2.1
4.12×1.08-0.25
0.45×2.8-0.04