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13.2×5÷13.2×5+25×99简便计算
人气:395 ℃ 时间:2020-04-01 04:15:57
解答
13.2×5÷13.2×5+25×99
=(13.2÷13.2)x5x5+25x99
=25+25x99
=25x(1+99)
=25x100
=2500
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