101x62.5一1.25x6.25x8用简便方法怎样算
答案:1 悬赏:50
解决时间 2021-01-20 01:58
- 提问者网友:刺鸟
- 2021-01-19 05:15
101x62.5一1.25x6.25x8用简便方法怎样算
最佳答案
- 二级知识专家网友:西岸风
- 2021-01-19 05:26
101x62.5一1.25x6.25x8
=101x62.5一(1.25×8)x6.25
=101x62.5一10x6.25
=101x62.5一62.5
=(101-1)x62.5
=100x62.5
=6250
=101x62.5一(1.25×8)x6.25
=101x62.5一10x6.25
=101x62.5一62.5
=(101-1)x62.5
=100x62.5
=6250
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