Question

Calculează
1/2+1/3
2/3+3/4
1/4+5/6
5/6+7/9
1/18+1/13
​

Answer 1

Răspuns:

Explicație pas cu pas:

1/2+1/3 = 3+2 / 6 = 5/6

2/3+3/4 = 8+9 / 12 = 17/12 = 1 5/12

1/4+5/6 = 3+10 /12 = 13/12 = 1 1/12

5/6+7/9 = 15+14 / 18 = 29/18 = 1 11/18

1/18+1/13 = 13+18 / 234 = 31/234.