Răspuns:
a) 1/3+2/3= 3/3
b) 1/7+2/7+3/7= 6/7
c) 1/36+5/36= 6/36
d) 5/111+4/111= 9/111
2 a) 2/5+11/10=13/15
b) 4/7-3/14=1/7
c) 10/10
d) 16/16
Explicație pas cu pas:
1//A) 3/3 B) 6/7 c) 6/36 d) 9/111
2// a) 13/15 b) 1/7c)10/10 d) 16/16
