熱心網(wǎng)友

(567 +345×566)除以(567×345＋222)＝[567 +345×(567-1)]除以(567×345＋222)=(567 +345×567-345)除以(567×345＋222)=(567×345＋222)除以(567×345＋222)=1

熱心網(wǎng)友

567+345×566除以567×345＋222＝?前面少個運算符號，姑且就算是加號吧。原左=345*566+567=345*566+345+222 =345*（566+1）+222 =345*567+222=原右顯然，原式答案為1。