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3p.......3c.....21 lei
5p.....1c.....13 lei
Urgent!Sau coroana!Va rog.


Răspuns :

3+3=6
21÷6=3 rest 3
3×3=9
4×3=9
proba: 9+9+restul 3=18+3=21





5+1=6
13÷6=2 rest 2
2×5=10
2×1=2
proba: 10+1+restul 2=11+2=13
Mult succes!