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0.45x201这算式怎么简便

0.45x201 =0.45*(200+1)=0.45*200+0.45 =90+0.45 =90.45

0.45x201=0.45x200+0.45x1=90.45.

0.78x201=0.78x(200+1)=0.78x200+0.78=156+0.78=156.78

0.45*(200+1)=90+0.45=90.45

101乘0.45=(100+1)*0.45=100*0.45+0.45=45+0.45=45.45

287*201=287*(200+1)=57400+287=57687

781x201=781x(200+1)=781x200+781=156200+781=156981

23.5x201一235简便方法计算23.5x201一235=235*(201-1)=235*200=47000

3.82x0.45=3.82x(0.5-0.05)=1.91- 0.191=1.709

18*0.45的简便算式18x0.45=0.45x2x9=0.9x9=8.1 希望能帮到你

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