34.8*6.3+473*0.37+13*5.25怎简便做
答案:3 悬赏:60 手机版
解决时间 2021-03-25 10:09
- 提问者网友：未信
- 2021-03-25 04:52
34.8*6.3+473*0.37+13*5.25怎简便做
最佳答案
- 五星知识达人网友：从此江山别
- 2021-03-25 05:45
34.8*6.3+473*0.37+13*1.25
=34.8*6.3+47.3*3.7+13*1.25
=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5
=34.8*(6.3+3.7)+12.5*(3.7+1.3)
=34.8*10+12.5*5
=348+62.5
=410.5追问是34.8*6.3+473*0.37+13*5.25请指教追答34.8*6.3+473*0.37+13*5.25
=34.8*6.3+47.3*3.7+13*1.25+13*4
=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5+52
=34.8*(6.3+3.7)+12.5*(3.7+1.3)+52
=34.8*10+12.5*5+52
=348+62.5+52
=410.5+52
=462.5
=34.8*6.3+47.3*3.7+13*1.25
=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5
=34.8*(6.3+3.7)+12.5*(3.7+1.3)
=34.8*10+12.5*5
=348+62.5
=410.5追问是34.8*6.3+473*0.37+13*5.25请指教追答34.8*6.3+473*0.37+13*5.25
=34.8*6.3+47.3*3.7+13*1.25+13*4
=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5+52
=34.8*(6.3+3.7)+12.5*(3.7+1.3)+52
=34.8*10+12.5*5+52
=348+62.5+52
=410.5+52
=462.5
全部回答
- 1楼网友：往事埋风中
- 2021-03-25 08:14
赞同楼上
- 2楼网友：酒醒三更
- 2021-03-25 06:37
34.8*6.3＋473*0.37＋13*5.25
＝34.8*6.3＋47.3*3.7＋13*1.25＋13*4
＝34.8*6.3＋34.8*3.7＋12.5*3.7＋1.3*12.5＋52
＝34.8*(6.3＋3.7)＋12.5*(3.7＋1.3)＋52
＝34.8*10＋12.5*5＋52
＝348＋62.5＋52
＝348＋52＋62.5
＝400＋62.5
＝462.5
＝34.8*6.3＋47.3*3.7＋13*1.25＋13*4
＝34.8*6.3＋34.8*3.7＋12.5*3.7＋1.3*12.5＋52
＝34.8*(6.3＋3.7)＋12.5*(3.7＋1.3)＋52
＝34.8*10＋12.5*5＋52
＝348＋62.5＋52
＝348＋52＋62.5
＝400＋62.5
＝462.5
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