37.5X21.5X0.112+35.5X12.5X0.112怎么算简便
答案:2 悬赏:40 手机版
解决时间 2021-02-13 08:42
- 提问者网友：雪舞兮
- 2021-02-13 02:55
37.5X21.5X0.112+35.5X12.5X0.112怎么算简便
最佳答案
- 五星知识达人网友：掌灯师
- 2021-02-13 03:19
7.4
=100×1.5X64.5X0.112+35.5X12.5X0.112
=12.112
=100x12.5X0.112
=12.5×8×1.5×11.2
=12.5X12.5X0.112
=(64.5+35.5X0.5)X12.5X21.5X0.112+35
=100×1.5X64.5X0.112+35.5X12.5X0.112
=12.112
=100x12.5X0.112
=12.5×8×1.5×11.2
=12.5X12.5X0.112
=(64.5+35.5X0.5)X12.5X21.5X0.112+35
全部回答
- 1楼网友：我住北渡口
- 2021-02-13 03:34
37.5*21.5*0.112+35.5*12.5*0.112=0.112x(37.5x21.5+35.5x12.5)=0.112x(12.5x3x5x4.3+5x7.1x12.5)
=0.112x12.5x5(4.3x3+7.1)=0.112x12.5x5x(12.9+7.1)=0.112x12.5x5x20=0.112x12.5x100=112x12.5
=(100+10+2)12.5=100x12.5+10x12.5+2x12.5=1250+125+25=1250+(125+25)=1250+150=1400
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