-3-【-5+(-1*5分之1)/(-5分之2)】 急

-3-【-5+(-1*5分之1)/(-5分之2)】 急


原式=-3-[-5+(-1×1/5)/(-2/5)]=-3-[-5+(-1/5)/(-2/5)]=-3-(-5+1/2)=-3+5-1/2=3/2如果我的回答能够幫到你,請點擊【選為滿意回答】--------------------予人玫瑰 ;手留餘香------------------------------------…



英語第1,2,3,4,5,10,191001021000次.英語怎麼說?


如果是說第幾次的話,是下麵這樣前面要加the,the first time,the second time.1,first time2,second time3,third time4,fourth time5,fifth time10,tenth time19,nineteenth time100,hundredth time102,這個很難.沒…



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