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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

分类: 作业答案 • 2021-12-18 17:31:56
问题描述：

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

答

3(÷)3(×)3(÷)3=1
3(+)[3(÷)3](－)3=2
]3(+)3(+)3](÷)3=3
3(×)3(－)[3(÷)3]=8

答

3(÷)3(x)3(÷)3=1
3(÷)3(+)3(÷)3=2
3(+)3(+)3(÷)3=3
3(x)3(-)3(÷)3=8

答

3(x)3(÷)3(÷)3=1
3(÷)3(+)3(÷)3=2
3(x)3(-)3(-)3=3
3(x)3(-)3(÷)3=8

答

  1. 乘除除

  2. 除加除

  3. （3减3）*3加3

  4. 3乘3减（3除3）

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