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分别在下面各算式的等号左边添上合适的运算符号,使得计算结果分别等于1 2 3 4 5 6
3()3()3()3=1 3( )3()3()3=2 3()3()3()3=3
3()3()3()3=4 3()3()3()3=5 3()3()3()=6
人气:388 ℃ 时间:2019-08-21 03:44:24
解答
3×3÷3÷3=1 (3×3-3)÷3=2 (3+3+3)÷3=3
(3×3+3)÷3=4 (3+3)÷3+3=5 (3+3)×3÷3=6
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