1) 1 3/4 + (-1/2) = 7/4 - 1/2 = 7/4 - 2/4 = 5/4 = 1 1/4 или 1.25
2) 5 2/9 + (-1/3) = 47/9 - 1/3 = 47/9 - 3/9 = 44/9 = 4 8/9
3) 4 3/8 + (-1/4) = 35/8 - 1/4 = 35/8 - 2/8 = 33/8 = 4 1/8 или 4.125
4) 5 1/2 + (-8 5/6) = 11/2 - 53/6 = 33/6 - 53/6 = -20/6 = -3 2/6
5) 4 1/3 + (-7 5/9) = 13/3 - 68/9 = 39/9 - 68/9 = -29/9 = -3 2/9
6) 3 3/8 + (-9 1/2) = 27/8 - 19/2 = 27/8 - 76/8 = -49/8 = -6 1/8 или -6.125
По шаговое объяснение:
1) 1 3/4 + (-1/2) = 7/4 - 1/2 = 7/4 - 2/4 = 5/4 = 1 1/4 или 1.25
2) 5 2/9 + (-1/3) = 47/9 - 1/3 = 47/9 - 3/9 = 44/9 = 4 8/9
3) 4 3/8 + (-1/4) = 35/8 - 1/4 = 35/8 - 2/8 = 33/8 = 4 1/8 или 4.125
4) 5 1/2 + (-8 5/6) = 11/2 - 53/6 = 33/6 - 53/6 = -20/6 = -3 2/6
5) 4 1/3 + (-7 5/9) = 13/3 - 68/9 = 39/9 - 68/9 = -29/9 = -3 2/9
6) 3 3/8 + (-9 1/2) = 27/8 - 19/2 = 27/8 - 76/8 = -49/8 = -6 1/8 или -6.125
По шаговое объяснение: