a+b=81
a:b=10
81×10=810
(a+b)+(a×b)=810
_____________
2a+2b=810
4=810
a=810:4
a=202,5=>aproximatie=>202
(202+b)+(202×b)=810
_________________
(202+202)+2b=810
404+2b=810
2b=810-404
2b=406
b=406:2
b=203
Deci:
a=> |___|____|__|____|__|_____|}202
b=> |______|_______|__|__|}203
SPER CA TE-AM AJUTAT!♡♡♡