11/10*11/10*11/10-11/10*11/10-11/10*1/10简便运算

日期:2021-11-06 16:10:31 人气:1

11/10*11/10*11/10-11/10*11/10-11/10*1/10简便运算

11/10*11/10*11/10-11/10*11/10-11/10*1/10
=11/10*11/10(11/10-1-1)
=11/10*11/10*(-9/10)
=-1089/1000
    A+
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