314/0.043+3.14/7.2-31.4/0.15的简便运算
答案:2 悬赏:60 手机版
解决时间 2021-01-10 10:45
- 提问者网友：不爱我么
- 2021-01-10 03:17
314/0.043+3.14/7.2-31.4/0.15的简便运算
最佳答案
- 五星知识达人网友：孤独入客枕
- 2021-01-10 04:50
314/0.043+3.14/7.2-31.4/0.15好像不对，应该是
0.043/314+7.2/3.14-0.15/31.4
=0.043/314+720/314-1.5/314
=（0.043+720-1.5）/314
=718.543/314
=718543/314000
数学辅导团祝你学习进步，不理解请追问，理解请及时采纳！(*^__^*)
0.043/314+7.2/3.14-0.15/31.4
=0.043/314+720/314-1.5/314
=（0.043+720-1.5）/314
=718.543/314
=718543/314000
数学辅导团祝你学习进步，不理解请追问，理解请及时采纳！(*^__^*)
全部回答
- 1楼网友：举杯邀酒敬孤独
- 2021-01-10 05:03
314/0.043+3.14/7.2-31.4/0.15
=(314*7.2*0.15+3.14*0.043*0.15-31.4*0.043*7.2)/0.043*7.2*0.15
=3.14*(7.2*0.15*100+0.043*0.15-0.043*7.2*10)/0.043*7.2*0.15
=3.14*[7.2*15+0.043*(0.15-72)]/0.043*7.2*0.15
=3.14*[(7+0.2)*15-(0.04+0.003)*71.85]/0.043*7.2*0.15
=3.14*(105+3-0.21555-2.874)/0.043*7.2*0.15
=3.14*104.91045/0.043*7.2*0.15
=3.14*699.403/0.043*7.2
=2196.12542/0.3096
=7093.42836
=(314*7.2*0.15+3.14*0.043*0.15-31.4*0.043*7.2)/0.043*7.2*0.15
=3.14*(7.2*0.15*100+0.043*0.15-0.043*7.2*10)/0.043*7.2*0.15
=3.14*[7.2*15+0.043*(0.15-72)]/0.043*7.2*0.15
=3.14*[(7+0.2)*15-(0.04+0.003)*71.85]/0.043*7.2*0.15
=3.14*(105+3-0.21555-2.874)/0.043*7.2*0.15
=3.14*104.91045/0.043*7.2*0.15
=3.14*699.403/0.043*7.2
=2196.12542/0.3096
=7093.42836
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