0.67×8.3+2.7×0.67-0.67有简便方法吗?
答案:3 悬赏:10 手机版
解决时间 2021-01-09 21:01
- 提问者网友:杀生予夺
- 2021-01-09 12:16
0.67×8.3+2.7×0.67-0.67有简便方法吗?
最佳答案
- 五星知识达人网友:毛毛
- 2021-01-09 12:29
=0.67(8.3+2.7-1)
=0.67×10
=6.7
=0.67×10
=6.7
全部回答
- 1楼网友:千杯敬自由
- 2021-01-09 14:44
=0.67×(8.3+2.7-1)
=0.67×10
=6.7
=0.67×10
=6.7
- 2楼网友:风格不统一
- 2021-01-09 13:22
=0.67×8.3+0.67×2.7-0.67×1
=0.67×(8.3+2.7-1)
=0.67×10
=6.7
乘法结合律
=0.67×(8.3+2.7-1)
=0.67×10
=6.7
乘法结合律
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