72.4×31+62×8.8算是怎么解
答案:5 悬赏:60 手机版
解决时间 2021-03-29 02:24
- 提问者网友:酱爆肉
- 2021-03-28 09:27
72.4×31+62×8.8算是怎么解
最佳答案
- 五星知识达人网友:平生事
- 2021-03-28 09:38
72.4×31+62×8.8
=72.4×31+31×2×8.8
=72.4×31+31×17.6
=(72.4+17.6)×31
=90×31
=2790
=72.4×31+31×2×8.8
=72.4×31+31×17.6
=(72.4+17.6)×31
=90×31
=2790
全部回答
- 1楼网友:话散在刀尖上
- 2021-03-28 13:38
72.4×31+62×8.8
= 72.4×31+ 31×2×8.8
= 72.4×31+31×17.6
=31×(72.4+17.6)
= 31×90
=2790
= 72.4×31+ 31×2×8.8
= 72.4×31+31×17.6
=31×(72.4+17.6)
= 31×90
=2790
- 2楼网友:佘樂
- 2021-03-28 12:25
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- 3楼网友:duile
- 2021-03-28 11:17
72.4×31+62×8.8
=72.4*31+31*2*8.8
=31*(72.4+2*8.8)
=31*(72.4+17.6)
=31*90
=2790
=72.4*31+31*2*8.8
=31*(72.4+2*8.8)
=31*(72.4+17.6)
=31*90
=2790
- 4楼网友:山河有幸埋战骨
- 2021-03-28 09:47
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