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0.21÷1.4+2.6怎么简算

0.21÷1.4+2.6=0.15+2.6=2.75没有更简便的方法

0.21除以一点4+2点六简便计算0.21除以一点4+2点六=0.21÷1.4+2.6=0.15+2.6=2.75

计算下面各题能简算的要简算36.12÷1.4+2.6解:原式=36.12÷(0.2x7)+1.6=36.12÷0.2÷7+1.6=180.6÷7+1.6=25.8+1.6=27.4

2.1除1.4加2.6的简便算法 解:2.1除1.4加2.6的简便算法=2.1÷1.4+2.6=0.7x3÷0.7x2+2.6=2分之3+2.6=2分之3+5分之13=10分之15+10分之26=10分之41(或4.1)

35.2-2.6*(3.5÷1.4)的简便运算35.2-2.6*(3.5÷1.4)=35.2-2.6x(3.5÷0.7÷2)=35.2-2.6x(5÷2)=35.2-2.6x2.5=35.2-2.5x2x1.3=35.2-5x1.3=35.2-6.5=28.7希望能帮到你

0.72+0.28÷1.4=0.72+0.2=0.92

=(0.96÷0.4)*(1.4*0.4)+2.6*0.64=2.4*0.64+2.6*0.64=(2.4+2.6)*0.64=5*0.64=3.2

=13.7-25.2÷4=13.7-6.3=7.4直接计算即可.

5.5*1.4+2.6*5.5简算要简算方法解:采用分配律原式=5.5*1.4+2.6*5.5=5.5x(1.4+2.6)=5.5x4=22

1.4+2.6÷2-1.5*0.2(能简便的就简便)=1.4+1.3-0.3=2.7-0.3=2.4

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