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99×7.56+7.56 (0.125+1.25+12.5)×8两个都简便
要过程
人气:141 ℃ 时间:2020-04-16 22:25:01
解答
99×7.56+7.56
=(99+1)x7.56
=100x7.56
=756
(0.125+1.25+12.5)×8
=0.125x8+1.25x8+12.5x8
=1+10+100
=111
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