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0.5 0.25 4简便计算

=0.5x4+0.25x4=2+1=3

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(0.5+0.25)*4=0.5*4+0.25*4=2+1=3

原式=(4*0.25)*(2*0.5) =1

=4*0.5+4*0.25=2+1=3

建议直接计算,最简便:4.9-0.5*0.25=4.9-0.125=4.775

(0.25)*0.5*(-42/7)*4=0.25*0.5*(-6)x4=4x0.25x0.5*(-6)=-3

0.25*0.5*2.4=0.25*0.5*4*0.6=(0.25*4)*(0.5*0.6)=1*0.3=0.3

0.25*3.7*4=1/4*3.7*4=3.7

1. 0.25*0.5/0.25*8=0.5/8=1/162. 同学你好,如果问题已解决,记得右上角采纳哦~~~您的采纳是对我的肯定~谢谢哦

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