Question

11.4-0.114×30+1.14×2的简便运算？

Answer 1

11.4-0.114×30+1.14×2 简脊缓嫌便运算
= 11.4 - 11.4×0.3 + 11.4×0.2
= 11.4 ×（哪肢1 - 0.3 + 0.2）
= 11.4 ×（樱手1 - 0.1）
= 11.4 - 1.14
= 10.26

Answer 2

11.4-0.114×30+1.14×2
=11.4-11.4×0.01×30+11.4×0.1×2
=11.4×1-11.4×0.3+11.4×0.2
=11.4×（坦庆闭1-0.3+0.2）让裂差猜
=11.4×0.9
=10.26