1.7-1.7x0.2÷6.8 可以简便计算吗
答案:2 悬赏:30 手机版
解决时间 2021-02-05 22:13
- 提问者网友：喧嚣尘世
- 2021-02-05 09:17
1.7-1.7x0.2÷6.8 可以简便计算吗
最佳答案
- 五星知识达人网友：爱难随人意
- 2021-02-05 10:47
1.7-1.7x0.2÷6.8
=(1.7x6.8-1.7x0.2)÷6.8
=1.7x6.6÷6.8
=1.7x6.6÷(1.7x4)
=1.65
=(1.7x6.8-1.7x0.2)÷6.8
=1.7x6.6÷6.8
=1.7x6.6÷(1.7x4)
=1.65
全部回答
- 1楼网友：愁杀梦里人
- 2021-02-05 11:19
1.7-1.7x0.2÷6.8
=(1.7x6.8-1.7x0.2)÷6.8
=1.7x6.6÷6.8
=1.7x6.6÷(1.7x4)
=1.65
1.25x3.2x0.25
=1.25x0.8x4x0.25
=(1.25x0.8)x(4x0.25)
=1x1
=1
4.65x5.4+5.4x5.35
=(4.65+5.35)x5.4
=10x5.4
=54
9.4÷｛(1.3+1.4)÷0.27]
= 9.4÷｛2.7÷0.27]
= 9.4÷10
=0.94
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