33.2÷5+0.9×66.4 简便计算
答案:3 悬赏:60 手机版
解决时间 2021-11-13 03:04
- 提问者网友:练爱
- 2021-11-12 09:32
33.2÷5+0.9×66.4 简便计算
最佳答案
- 五星知识达人网友:轻熟杀无赦
- 2021-11-12 09:55
=66.4÷10+0.9×66.4
=66.4×(1÷10+0.9)
=66.4×(0.1+0.9)
=66.4×1
=66.4
=66.4×(1÷10+0.9)
=66.4×(0.1+0.9)
=66.4×1
=66.4
全部回答
- 1楼网友:十年萤火照君眠
- 2021-11-12 11:15
33.2÷5+0.9×66.4
=33.2×0.2+0.9×33.2×2
=33.2×0.2+33.2×2×0.9
=33.2×0.2+33.2×1.8
=33.2×(0.2+1.8)
=33.2×2
=66.4
=33.2×0.2+0.9×33.2×2
=33.2×0.2+33.2×2×0.9
=33.2×0.2+33.2×1.8
=33.2×(0.2+1.8)
=33.2×2
=66.4
- 2楼网友:话散在刀尖上
- 2021-11-12 10:23
33.2÷5+0.9×66.4
=6.64+9x6.64
=6.64x(1+9)
=6.64x10
=66.4
=6.64+9x6.64
=6.64x(1+9)
=6.64x10
=66.4
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