Odpowiedź :
Zad 1
a) 1/8+2/3= 3/24+16/24= 19/24
b) 4/5-3/4=16/20-15/20=1/20
Zad 2
a)2 3/4+ 3 2/5= 2 15/20+3 8/20=6 3/20
b) 6 1/7 - 3 3/4 = 6 4/28 - 3 21/28= 5 32/28 - 3 21/27 = 2 11/28
a) 1/8+2/3= 3/24+16/24= 19/24
b) 4/5-3/4=16/20-15/20=1/20
Zad 2
a)2 3/4+ 3 2/5= 2 15/20+3 8/20=6 3/20
b) 6 1/7 - 3 3/4 = 6 4/28 - 3 21/28= 5 32/28 - 3 21/27 = 2 11/28
Odpowiedź:
zad 1
a)
1/8 + 2/3 = 3/24 + 16/24 = 19/24
b)
4/5 - 3/4 = 16/20 - 15/20 = 1/20
zad 2
a)
2 3/4 + 3 2/5 = 2 15/20 + 3 8/20 =
= 5 23/20 = 6 3/20
b)
6 1/7 - 3 3/4 = 6 4/28 - 3 21/28 =
= 5 32/28 - 3 21/28 = 2 11/28
Szczegółowe wyjaśnienie: