Question

Va rog foarte muuult.
Dau coroana raspunsului corect!!!
Sporrrr <3

Answer 1

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