Пошаговое объяснение:
( 3 5\6 + a) - 2 1\6 = 5
a=5+2 1/6-3 5/6
a=3 2/6
(3 5/6+3 2/6)-2 1/6=5
5=5
8 6\13 - ( b + 9\13) = 4 2\13
8 6\13 - b - 9\13 = 4 2\13
-b=4 2/13+9/13-8 6/13
-b=-3 8/13
b=3 8/13
8 6/13-(3 8/13+9/13)=4 2/13
4 2/13=4 2/13
Пошаговое объяснение:
( 3 5\6 + a) - 2 1\6 = 5
a=5+2 1/6-3 5/6
a=3 2/6
(3 5/6+3 2/6)-2 1/6=5
5=5
8 6\13 - ( b + 9\13) = 4 2\13
8 6\13 - b - 9\13 = 4 2\13
-b=4 2/13+9/13-8 6/13
-b=-3 8/13
b=3 8/13
8 6/13-(3 8/13+9/13)=4 2/13
4 2/13=4 2/13