简便运算:(784*322-213)/(321*784+571)+511*373737/737373

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简便运算:(784*322-213)/(321*784+571)+511*373737/737373
简便运算:(784*322-213)/(321*784+571)+511*373737/737373

简便运算:(784*322-213)/(321*784+571)+511*373737/737373
(784*322-213)/(321*784+571)+511*373737/737373
=[784*(321+1)-213]/(321*784+571)+10101*37*73*7/10101*73
=1+259
=260