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

问题描述:

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

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