Question

am nevoie de rezolvare la punctul b)​

Answer 1

4ab +4ba=176
4(10a+b) + 4(10b+a)=176
40a+4b+40b+4a=176
44a+44b=176
44(a+b)=176
a+b=176/44
a+b=4
ab={13;22;31;40}