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简便计算0.0695*2500+695*0.24+51*6.95
人气:197 ℃ 时间:2020-02-02 23:33:46
解答
0.0695*2500+695*0.24+51*6.95
=69.5x2.5+69.5x2.4+69.5x5.1
=(2.5+2.4+5.1)x69.5
=695
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