0.21x6.4+0.42x1.8怎么简便计算
答案:4 悬赏:50 手机版
解决时间 2021-11-16 06:43
- 提问者网友:疯子也有疯子的情调
- 2021-11-15 06:42
0.21x6.4+0.42x1.8怎么简便计算
最佳答案
- 五星知识达人网友:三千妖杀
- 2021-11-15 07:41
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- 1楼网友:何以畏孤独
- 2021-11-15 11:03
0.21x6.4+0.42x1.8
=0.21x6.4+0.21x2x1.8
=0.21x(6.4+3.6)
=0.21x10
=2.1
=0.21x6.4+0.21x2x1.8
=0.21x(6.4+3.6)
=0.21x10
=2.1
- 2楼网友:拾荒鲤
- 2021-11-15 09:58
0.21x6.4+0.42x1.8
=0.21x2x3.2+0.42x1.8
=0.42x3.2+0.42x1.8
=0.42x(3.2+1.8)
=0.42x5
=0.4x5+0.02x5
=2+0.1
=2.1
=0.21x2x3.2+0.42x1.8
=0.42x3.2+0.42x1.8
=0.42x(3.2+1.8)
=0.42x5
=0.4x5+0.02x5
=2+0.1
=2.1
- 3楼网友:woshuo
- 2021-11-15 09:10
0.21x6.4+0.42x1.8
=0.21x6.4+0.21x2x1.8
=0.21x6.4+0.21x3.6
=0.21x(6.4+3.6)
=0.21x10
=2.1
=0.21x6.4+0.21x2x1.8
=0.21x6.4+0.21x3.6
=0.21x(6.4+3.6)
=0.21x10
=2.1
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