4.2×8.3+5.9×0.83-0.83的简便计算
答案:4 悬赏:30 手机版
解决时间 2021-01-15 10:15
- 提问者网友：留有余香
- 2021-01-15 05:09
4.2×8.3+5.9×0.83-0.83的简便计算
最佳答案
- 五星知识达人网友：街头电车
- 2021-01-15 06:34
4.2×8.3+5.9×0.83-0.83
=42×0.83+5.9×0.83-0.83
=0.83×(42+5.9-1)
=0.83×46.9
题目有误
=42×0.83+5.9×0.83-0.83
=0.83×(42+5.9-1)
=0.83×46.9
题目有误
全部回答
- 1楼网友：撞了怀
- 2021-01-15 10:27
4.2×8.3+5.9×0.83-0.83
=42×0.83+5.9×0.83-0.83
=0.83×(42+5.9-1)
=0.83×46.9
=38.927
=42×0.83+5.9×0.83-0.83
=0.83×(42+5.9-1)
=0.83×46.9
=38.927
- 2楼网友：雪起风沙痕
- 2021-01-15 08:51
等于4.2×10×0.83+5.9×0.83－0.83
=（42+5.9-1）×0.83
=38.927
=（42+5.9-1）×0.83
=38.927
- 3楼网友：鱼忧
- 2021-01-15 07:46
解原式=0.83（42+5.9-1)
=0.83*46.9
=8.3*4.69
=(9-0.7)*4.69
=42.21-3.283
=38.927
=0.83*46.9
=8.3*4.69
=(9-0.7)*4.69
=42.21-3.283
=38.927
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