Question

Eu îl stiu dar voi
4+4=20
5+5=30
6+6=42
7+7=56

9+9=?
ghiciti ;))))​

Answer 1

4+4=20

4×4+4=20

5+5=30

5×5+5=30

6+6=42

6+6+6=42

7+7=56

7×7+7=56

9+9=90

9×9+9=90

Answer 2

4+4=20 inmultim cu nr. consecutiv

4×5=20

9+9=90 deoarece 9×10=90

sper ca este corect