I.
1. x=10
2. x=6
3. x=1
4. 2 lei(1 covrig 50 bani)
5. 15 lei
6. 5
II.
1. D)5
2.C)4
3.C)6
4.A)2 lei
5.C)x=-2 y=-3
6.C)8
III.
1.SA n/n
(Nu include exercițiu de gimnaziu)
2.26-2-3=21
21:3=7baieti (fara cei plecti)
7+3=10 baieti la inceput
26-10=16 fete la inceput
3.Ma=(6+5+7+4)÷4=22÷4=5.5
M=(3×5.5+5)/4=21.5÷4=5.3=5
Nota:7
Ma=(6+5+7+4+7)÷5=29÷5=5.8
M=(3×5.8+5)/4=22.4÷4=5.6=6
