6⼀5*9⼀5+9⼀5*6⼀1的简便运算

2024-11-23 09:03:37
推荐回答(2个)
回答1:

6/5*9/5+9/5*6/1
=(6/5+6/1)×9/5
=1×9/5
=9/5

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回答2:

6/5*9/5+9/5*6/1
=9/5×(6/5+6/1)
=9/5×1
=9/5