Question

Pomocy z 5 i 6!!!!!!!!!!! W załączniku! !!

Answer 1

Zadanie 5
a) 1/2 + 1/3 = 3/6 + 2/6 = 5/6
b) 3/4 - 1/3 = 9/12 - 4/12 = 5/12

Zadanie 6 
A)
 2/3 + 4/7 = 14/21 + 12/21 = 26/21 = 1 5/21
 5/6 + 7/9 = 15/18 + 14/18 = 29/18 = 1 11/18
5/8 + 3/10 = 25/40 + 12/40 = 37/40
B) 
2 3/4 + 1/6 = 11/4 + 1/6 = 33/12 + 2/12 = 35/12 = 2 11/12 
4 8/9 + 2 7/10 = 44/9 + 27/10 = 440/90 + 243/90 = 689/90 = 7 59/90 
2 7/9 + 3 1/6 = 25/9 + 19/6 = 50/18 + 57/18 = 107/18 = 5 17/18
3 7/15 + 2 9/10 = 52/15 + 29/10 = 104/30 + 87/30 = 191/30 = 11/30
C)
3/4 - 3/5 = 15/20 - 12/20 = 3/20 
7/8 - 2/5 = 35/40 - 16/40 = 19/40 
3/8 - 1/6 = 9/24 - 4/24 = 5/24
1 5/6 - 3/4 = 11/6 - 3/4 = 22/12 - 9/12 = 13/20 
D) 
4 5/9 - 1 1/2 = 41/9 - 3/2 = 82/18 - 27/18 = 55/18 = 3 1/18 
8 1/6 - 2 4/5 = 49/6 - 14/5 = 245/30 - 84/30 = 161/30 = 5 11/30 
3 1/4 - 1 1/6 = 13/4 - 7/6 = 39/12 - 14/12 = 25/12 = 2 1/12
8 3/4 - 1 7/10 = 35/4 - 17/10 = 175/20 - 85/20 = 90/20 = 4 10/20 = 4 1/2 
 Zadanie 7
4 1/3 kg - 1 1/2 kg = 13/3 - 3/2 = 26/6 - 9/6 = 17/6 = 2 5/6 
Odp: Ziemniaki ważą 2 5/6 kg. 

Zadanie 8 
6 7/20 - 5 3/5 = 127/20 - 28/5 = 127/20 - 112/20 = 15/20 = 3/4
Odp: Zagłoba zostawił dla pana Michała 3/4 kwarty miodu. 

Answer 2

Zielone:3/6+2/6=5/6
żółte;9/12-4/12=5/12