你好，很高兴地解答你的问题。9.32×0.57＋0.73×15.7－0.662×5.7＝5.3124＋0.73×15.7－0.662×5.7＝5.3124＋11.461－0.662×5.7＝5.3124＋11.461－3.7734＝13
原式=0.932x5.7+0.73x（10+5.7）-0.662x5.7=5.7x（0.932+0.73-0.662）+7.3=5.7x1+7.3=13
