Question

3+3×a-3:3+(3+3):3=13​

Answer 1

Răspuns:

3

Explicație pas cu pas:

3+3×a-3:3+(3+3):3=13

3+3×a-3:3+6:3=13

3+3×a-1+2=13

3+3×a-1=13-2

3+3×a-1=11

3+3×a=11+1

3+3×a=12

3×a=12-3

3×a=9

a=9:3

a=3

Verific:

3+3×3-3:3+(3+3):3=

3+3×3-3:3+6:3=

3+9-1+2=

12-1+2=

11+2=

13✔