Найдите значения суммы 2 , 4 , 6.
2) 7/15-2/5=7/15-6/15=1/15 4) 5/8-1/4=5/8-2/8=3/8 6) 5/16-2/3=15/48-32/48=-17/48
2) -1/8 + 3/5= -5/40 + 24/40= 19/40 4) 5/8 + (-1/4)= 5/8 - 2/8= 3/8 6) 5/16 + (-2/3)= 15/48 - 32/48 = -17/48