Пошаговое объяснение:
-2/9-(-4/9) = -2/9 + 4/9 = 2/9
7/13-(-5/26) = 7/13 + 5/26 = 14/26 + 5/26 = 19/26
0-(-1 2/3) = 0 + 1 2/3 = 1 2/3
-8/17-(-9/17) = -8/17 + 9/17 = 1/17
-(7/9)-1 5/9 = -7/9 - 1 5/9 = -1 12/9 = -2 3/9 = -2 1/3
п
Пошаговое объяснение:
-2/9-(-4/9) = -2/9 + 4/9 = 2/9
7/13-(-5/26) = 7/13 + 5/26 = 14/26 + 5/26 = 19/26
0-(-1 2/3) = 0 + 1 2/3 = 1 2/3
-8/17-(-9/17) = -8/17 + 9/17 = 1/17
-(7/9)-1 5/9 = -7/9 - 1 5/9 = -1 12/9 = -2 3/9 = -2 1/3
п