1.26*0.25+8.74*4/1 用简便方法计算

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1.26*0.25+8.74*4/1用简便方法计算1.26*0.25+8.74*4/1用简便方法计算1.26*0.25+8.74*4/1用简便方法计算1.26*0.25+8.74*1/4=1.26*0

1.26*0.25+8.74*4/1 用简便方法计算
1.26*0.25+8.74*4/1 用简便方法计算

1.26*0.25+8.74*4/1 用简便方法计算
1.26*0.25+8.74*1/4
=1.26*0.25+8.74*0.25
=（1.26+8.74）*0.25
=10*0.25
=2.5