3.7x5.4 0·37x49脱式
答案:1 悬赏:30 手机版
解决时间 2021-11-28 02:52
- 提问者网友：斑駁影
- 2021-11-27 03:19
3.7x5.4 0·37x49脱式
最佳答案
- 五星知识达人网友：野味小生
- 2021-11-27 03:25
3.7x5.4+0.37x49
=3.7x5.4+0.37x10x4.9
=3.7x5.4+3.7x4.9
=3.7x(5.4+4.9)
=3.7x10.3
=3.7x(10+0.3)
=3.7x10+3.7x0.3
=37+1.21
=38.21
=3.7x5.4+0.37x10x4.9
=3.7x5.4+3.7x4.9
=3.7x(5.4+4.9)
=3.7x10.3
=3.7x(10+0.3)
=3.7x10+3.7x0.3
=37+1.21
=38.21
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