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填运算符号.3()3()3()3=13()3()3()3=23()3()3()3=33()3()3()3=8

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/04 19:09:08
填运算符号.
3()3()3()3=1
3()3()3()3=2
3()3()3()3=3
3()3()3()3=8
3(x)3(÷)3(÷)3=1
3(÷)3(+)3(÷)3=2
3(x)3(-)3(-)3=3
3(x)3(-)3(÷)3=8