888.8×8-222.2×14-9×444.4 怎样简便计算

题目

888.8×8-222.2×14-9×444.4 怎样简便计算
1÷1/2÷2/3÷3/4。÷99/100

答案

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...