4.2÷3.5320÷1.25÷818.76×9.9＋18.76 6048＋975-3045498×396048＋75-3005 1048＋975-345640×75÷35878×29 68×975-3459948＋275-3045690×6÷3568＋975-345 68＋975-34568＋975÷345648＋75-35685＋975-345 548×975-30448×975-3046748＋975-5045 6048＋975-30450.425×0,38÷0,0120.5-1.074-8.35×5.5 748＋95-4548×975-30450.425×0,38÷0,0152.8÷0.75×0.25 45×（267＋143）（2448＋864）÷2320.5-1.074-8.35×5.5 327＋9664÷32×25727＋9660÷30×25586-45×81÷2758-45×80÷25 3.68÷4.6＋6.32368÷46＋632604×24－758644×14－858 604×24－758408×59478×39278×39478×19 本文来源：https://www.wddqw.com/doc/8c8e9a21fbb069dc5022aaea998fcc22bdd143ea.html