7.7×0.16÷7.7×12.5=??用简便方法计算
答案:7 悬赏:50 手机版
解决时间 2021-06-03 14:40
- 提问者网友:骑士
- 2021-06-03 08:45
7.7×0.16÷7.7×12.5=??用简便方法计算
最佳答案
- 五星知识达人网友:杯酒困英雄
- 2021-06-03 09:11
7.7×0.16÷7.7×12.5
=0.16×12.5
=8×0.02×12.5
=8×12.5×0.02
=100×0.02
=2
注:0.16乘以7.7又除以7.7,所以两个7.7抵消掉
全部回答
- 1楼网友:千杯敬自由
- 2021-06-03 14:53
7.7×0.16÷7.7×12.5
= 7.7÷7.7(0.16x12.5)
=1x(0.16x12.5)
=1x2
=2
- 2楼网友:从此江山别
- 2021-06-03 13:46
7.7×0.16÷7.7×12.5
=(7.7÷7.7)×0.16×12.5
=0.2×(0.8×12.5)
=0.2×10
=2
- 3楼网友:蕴藏春秋
- 2021-06-03 13:16
12.5乘0.8乘0.2乘(7.7除7.7)=2
- 4楼网友:雪起风沙痕
- 2021-06-03 12:22
先7.7/7.7,再算相乘就好了
- 5楼网友:风格不统一
- 2021-06-03 11:12
7.7*0.16*12.5/7.7=0.16*12.5=0.4*4*12.5=0.4*50=20
- 6楼网友:渊鱼
- 2021-06-03 10:17
7.7×0.16÷7.7×12.5
=7.7÷7.7*0.2*(0.8*12.5)
=0.2*10
=2
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