3 3/8:1/8-1 5/14 * 7=?
3 3/8:1/8-1 5/14*7=-11 1) 3 3/8:1/8=27/8:1/8=27 2)1 5/14*7=19/14*7=38 3)27-38=-11 или 3 3/8:1/8-1 5/14*7=27/8:1/8-19/14*7=27-38=-11
спасибо
25 - 9,5 = 15,5............................
ой да точно там 27
17,5