8.9×1.1×4.4乘法简便运算怎么算?
答案:2 悬赏:0 手机版
解决时间 2021-11-24 06:12
- 提问者网友:原来太熟悉了会陌生
- 2021-11-23 16:03
8.9×1.1×4.4乘法简便运算怎么算?
最佳答案
- 五星知识达人网友:走死在岁月里
- 2021-11-23 17:12
8.9X1.1X4.4
=(10-1.1)X1.1X4.4
=10X1.1X4.4-1.1X1.1X4.4
=11X1.1X4-1X1.1X4.4-0.1X1.1X4.4
=12.1X4-4.84-0.484
=48.4-5.324
=48.4-6+0.676
=42.4+0.676
=43.076
=(10-1.1)X1.1X4.4
=10X1.1X4.4-1.1X1.1X4.4
=11X1.1X4-1X1.1X4.4-0.1X1.1X4.4
=12.1X4-4.84-0.484
=48.4-5.324
=48.4-6+0.676
=42.4+0.676
=43.076
全部回答
- 1楼网友:风格不统一
- 2021-11-23 17:18
8.9×1.1×4.4=43.076
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