与101×98不相等的算式是(  ) A.(100+1)×98 B.101×(100-2) C.100×98+98 D.101×100

日期:2022-03-30 06:21:27 人气:1

与101×98不相等的算式是(  ) A.(100+1)×98 B.101×(100-2) C.100×98+98 D.101×100

101×98,
=(100+1)×98,
=100×98+1×98,
=100×98+98,
=9800+98,
=9898;
根据这种方法的计算过程可以看成A、C都与101×98相等;

101×98,
=101×(100-2),
=101×100-101×2,
=10100-202,
=9898
    A+
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