4 5/8+1 7/8 решите СРОЧНО
7,75
4 5/8 + 1 7/8 = (4+1) + (5+7)/8 = 5 + 12/8= =5 + 3/2= 5 +1 1/2 = 6 1/2 или 4 5/8 + 1 7/8 = (37+ 15) /8 = 52/8= 13/2 = 6 1/2