-10.5x(六分之一减五)x七分之三除(负二分之一)等于多少? KKKKKKkkkkkkkkkkkkkkkkkk那是负十点五! 快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快!要交作业的!!!! 求求了!!!!!!!!!!!!!!!!! 要过程!!!!!!!!!!!!!!
问题描述:
-10.5x(六分之一减五)x七分之三除(负二分之一)等于多少? KKKKKKkkkkkkkkkkkkkkkkkk
那是负十点五! 快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快!要交作业的!!!! 求求了!!!!!!!!!!!!!!!!! 要过程!!!!!!!!!!!!!!
答
-10.5*(1/6-5)*(7/3)/(-1/2)
=-10.5*(-29/6)*(-7/6)
=-21/2*29/6*7/6
=-72分之3913