怎样简算0.378×32 3.78×1.9+0.49×37.8急——
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解决时间 2021-02-16 02:53
- 提问者网友：练爱
- 2021-02-15 18:20
怎样简算0.378×32 3.78×1.9+0.49×37.8急——
最佳答案
- 五星知识达人网友：深街酒徒
- 2021-02-15 18:46
0.378×32+3.78×1.9+0.49×37.8
=3.78×3.2+3.78×1.9+4.9×3.78
=3.78×(3.2+1.9+4.9)
=3.78×10
=37.8
=3.78×3.2+3.78×1.9+4.9×3.78
=3.78×(3.2+1.9+4.9)
=3.78×10
=37.8
全部回答
- 1楼网友：罪歌
- 2021-02-15 20:04
原式
=0.378x32+3.78x1.9+0.49x37.8
=0.378x32+0.378x19+49x0.378
=0.378x(32+19+49)
=0.378x(51+49)
=0.378x100
=37.8
=0.378x32+3.78x1.9+0.49x37.8
=0.378x32+0.378x19+49x0.378
=0.378x(32+19+49)
=0.378x(51+49)
=0.378x100
=37.8
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