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888.8×8-222.2×14-9×444.4 怎样简便计算
1÷1/2÷2/3÷3/4。÷99/100
人气:480 ℃ 时间:2020-05-23 02:25:31
解答
888.8×8-222.2×14-9×444.4 =222.2×32-222.2×14-18×222.2=222.2×(32-14-18)=222.2×0=0 359÷27.3×1.254÷718×273÷125.4=(359÷718)×(273÷27.3)×(1.254÷125.4)=1/2×10×0.01=0.5×0.1=0.05 3又3...
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