14.4+85.6×0.32+0.68×85.6,67.6×18.5+81.5×15.8+81.5
答案:1 悬赏:20 手机版
解决时间 2021-11-27 07:55
- 提问者网友:趣果有间
- 2021-11-26 23:01
14.4+85.6×0.32+0.68×85.6,67.6×18.5+81.5×15.8+81.5
最佳答案
- 五星知识达人网友:枭雄戏美人
- 2021-11-26 23:18
14.4+85.6×0.32+0.68×85.6
=14.4+85.6×(0.32+0.68)
=14.4+85.6
=100
67.6×18.5+81.5×15.8+81.5×51.8
=67.6×18.5+81.5×(15.8+51.8)
=67.6×18.5+81.5×67.6
=67.6×(18.5+81.5)
=67.6×100
=6760
=14.4+85.6×(0.32+0.68)
=14.4+85.6
=100
67.6×18.5+81.5×15.8+81.5×51.8
=67.6×18.5+81.5×(15.8+51.8)
=67.6×18.5+81.5×67.6
=67.6×(18.5+81.5)
=67.6×100
=6760
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