👤

Oblicz. Wynik zapisz w postaci liczby mieszanej ( o ile to możliwe ).
a) 2/3 + 2/3 =
5 - 3/4 =
2 * 3/7 =
b) 7/9 + 4/9 =
7 - 3/4 =
3 * 5/8 =
c) 4 1/5 + 2 3/5 =
5 4/7 - 3 2/7 =
4/9 * 5 =
d) 3 1/7 + 4 3/7 =
7 3/5 - 4 2/5 =
6 * 5/6 =


z obliczeniami Plis dam naj​