问题标题：
【用简便方法计算0.49÷35*0.6420/0.8/5044.28/0.9/4013.24/0.4*0.35】
问题描述：
用简便方法计算0.49÷35*0.6420/0.8/5044.28/0.9/4013.24/0.4*0.35
李会容回答：
0.49÷35*0.6=0.49÷7÷5×0.6=0.07÷5×0.6=0.014×0.6=0.0084420/0.8/50=420/（0.8×50）=420÷40=10.544.28/0.9/401=44.28/3/0.3/401=14.76/0.3/401=492/401.3.24/0.4*0.35=81/0.35=8100/35=162/7
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