4.5+5.5ⅹ1.2简便计算
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解决时间 2021-03-07 06:41
- 提问者网友：爱唱彩虹
- 2021-03-06 15:07
4.5+5.5ⅹ1.2简便计算
最佳答案
- 五星知识达人网友：傲气稳了全场
- 2021-03-06 15:42
4.5+5.5ⅹ1.2
=4.5+5.5+5.5x1.1
=10+5.5x10+5.5
=10+55+5.5
=65+5.5
=70.5
=4.5+5.5+5.5x1.1
=10+5.5x10+5.5
=10+55+5.5
=65+5.5
=70.5
全部回答
- 1楼网友：旧脸谱
- 2021-03-06 18:37
4.5+5.5×1.2
=4.5+5.5×(1+0.2)
=4.5+5.5×1+5.5×0.2
=(4.5+5.5)+1.1
=10+1.1
=11.1
=4.5+5.5×(1+0.2)
=4.5+5.5×1+5.5×0.2
=(4.5+5.5)+1.1
=10+1.1
=11.1
- 2楼网友：渡鹤影
- 2021-03-06 17:15
4.5+5.5ⅹ1.2
=4.5+5.5x2x0.6
=4.5+11x0.6
=4.5+6.6
=11.1
=4.5+5.5x2x0.6
=4.5+11x0.6
=4.5+6.6
=11.1
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