Răspuns :
Răspuns:
Explicație pas cu pas:
a)
2/7 + 1/7= 3/7
3/7 + 4/7 = 7/7 =1
1 - 3/5 = 5/5 - 3/5 = 2/5
2/5 +1/5 = 3/5
b)
3/11 + 6/11 = 9/11
9/11 - 9/11 = 0
0 + 5/6 = 5/6
5/6 - 2/6 = 3/6 = 1/2
succes
Răspuns:
Explicație pas cu pas:
a)
2/7 + 1/7= 3/7
3/7 + 4/7 = 7/7 =1
1 - 3/5 = 5/5 - 3/5 = 2/5
2/5 +1/5 = 3/5
b)
3/11 + 6/11 = 9/11
9/11 - 9/11 = 0
0 + 5/6 = 5/6
5/6 - 2/6 = 3/6 = 1/2
succes