Odpowiedź:
zad 2
a)
x - 6 1/5 = 8
x =8 + 6 1/5 = 14 1/5
b)
y + 5 1/3 = 12
y = 12 - 5 1/3 = 11 3/3 - 5 1/3 = 6 2/3
c)
7 1/3 - a = 3 1/4
- a = 3 1/4 - 7 1/3
a = 7 1/3 - 3 1/4 = 7 4/12 - 3 3/12 = 4 1/12
d)
6 1/8 + c = 17 2/7
c = 17 2/7 - 6 1/8 = 17 16/56 - 6 7/56 = 11 9/56
