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2.4x0.25的简便递等式

2.4X0.25=4x0.6x0.25=4x0.25x0.6=1x0.6=0.6 祝你学习进步,有不明白的可以追问!谢谢!!

=7.6x0.25+2.4x0.25=(7.6+2.4)x0.25=1x0.25=0.25

2.4x45x0.25=0.6*4*45*0.25=0.6*45*4*0.25=27*1=27

用简便方法计算2.4x1.06递等式计算2.4x1.06=2.4*(1+0.06)=2.4*1+2.4*0.06=1.93344

将2.4拆开2+0.4

俊狼猎英团队为您解答52*0.25=13*4*0.25=13

2.4*0.25 =(2+0.4)*0.25 =2*0.25+0.4*0.25 =0.5+0.1 =0.6

你好!48*0.25=12*4*0.25=12*1=12 如果对你有帮助,望采纳.

2.4*1.25=(0.6*4)*(0.25*5)=(0.6*5)*(0.25*4)=3*1=3

72÷0.25=72÷1/4=72*4=288

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