2).
2t cartofi+3t ceapa=8100 lei
2t cartofi+7t ceapa=14900 lei
-----------------------------------------
// 4t ceapa=6800 lei
1 tona ceapa=6800:4
1 tona ceapa=1700 lei
2t cartofi+3x1700=8100
2t cartofi+5100=8100
2t cartofi=8100-5100
2t cartofi=3000
1t cartofi=3000:2
1t cartofi=1500
proba: 2x1500+3x1700=3000+5100=8100
3).
1m+1p=58 /x10
10m+15p=730
----------------------
10m+10p=580
10m+15p=730
--------------------
// 5p=150
1 lada pere=150:5
1 lada pere=30kg
1m+30=58
1m=58-30
1m=28
1 lada de mere=28kg
4).
3G+7I=48
G=3I
3x3I+7I=48
9I+7I=48
16I=48
I=48:16
I=3 probleme rezolva Ionut
3G+7x3=48
3G+21=48
3G=48-21
3G=27
G=9 probleme rezolva Gina
