51.2*8.1+11*0.25+537*0.19
答案:2 悬赏:70 手机版
解决时间 2021-04-18 18:51
- 提问者网友:鐵馬踏冰河
- 2021-04-18 03:54
51.2*8.1+11*0.25+537*0.19
最佳答案
- 五星知识达人网友:蕴藏春秋
- 2021-04-18 04:37
51.2*8.1 11*0.25 537*0.19
=51.2*(8加0.1) (10加1)*0.25 537*(0.2-0.01)
=409.6加5.12加2.5加0.25加107.4-5.37
=409.6加107.4加2.5加(5.12加0.25-5.37
=519.5
希望能采纳!
=51.2*(8加0.1) (10加1)*0.25 537*(0.2-0.01)
=409.6加5.12加2.5加0.25加107.4-5.37
=409.6加107.4加2.5加(5.12加0.25-5.37
=519.5
希望能采纳!
全部回答
- 1楼网友:一把行者刀
- 2021-04-18 05:53
51.2*8.1+11*0.25+537*0.19
=51.2*8.1+11*0.25+(512+25)*0.19
=512*0.81+0.11*25+(512+25)*0.19
=512*(0.81+0.19)+25*(0.11+0.19)
=512+7.5
=519.5
=51.2*8.1+11*0.25+(512+25)*0.19
=512*0.81+0.11*25+(512+25)*0.19
=512*(0.81+0.19)+25*(0.11+0.19)
=512+7.5
=519.5
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