15.5x6.6+22x6.35
答案:1 悬赏:10 手机版
解决时间 2021-02-08 15:15
- 提问者网友:趣果有间
- 2021-02-08 03:34
15.5x6.6+22x6.35
最佳答案
- 五星知识达人网友:封刀令
- 2021-02-08 03:43
15.5x6.6+22x6.35
=15.5x3x2.2+2.2x63.5
=46.5x2.2+2.2x63.5
=2.2x(46.5+63.5)
=2.2x(100+10)
=2.2x100+2.2x10
=220+22
=242
=15.5x3x2.2+2.2x63.5
=46.5x2.2+2.2x63.5
=2.2x(46.5+63.5)
=2.2x(100+10)
=2.2x100+2.2x10
=220+22
=242
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