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在下面各题的等号左边添上合适的预算符号和括号,使计算结果正好等于右边的数.
3()3()3()3= 5 3()3()3()3= 6
3()3()3()3= 7 3()3()3()3=8
3()3()3()3= 2
3()3()3()3= 4
人气:102 ℃ 时间:2019-08-18 02:56:34
解答
(3+3)/3+3=5 3*3/3+3=6
3/3+3+3=7 3*3-3/3=8
3/3+3/3=2
(3*3+3)/3=4
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