Răspunsuri

2014-05-05T14:36:02+03:00
A+b=135
2(a-6)=b+6
2a-12=b+6
2a-12-6=b
2a-18=b

a+ 2a-18= 135
3a=135+18
3a= 153
a=51.
In a doua gradinita sunt 135-51=84 copii
16 4 16
2014-05-05T16:30:41+03:00

a +b=135 copii 
135/2=67r 1
67r1-6=62 
62*2=64
7 2 7