1 19/70+5 3/4+1/8 как решить
1 19/70 + 5 3/4 +1/8= 1 19/70 + 5 6/8+1/8= 1 19/70 + 5 7/8= 1 152/560+ 5 490/560 = 6 642/560 = 7 82/560 = 7 41/ 280