25+25+25+24怎么简便计算
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25+25+25+24怎么简便计算
25+25+25+24怎么简便计算
25+25+25+24怎么简便计算
将24看成25-1
即25+25+25+25-1
前面的四个25相加,即4*25-1
即100-1
你懂的
25+25+25+24=25+25+25+25-1=25*4-1=100-1=99
25×3+24
对吗
望采纳
=25+25+25+25-1
=25×4-1
=100-1
=99