Răspuns :
T+P+S=33
T-P=P-S
P=?
T-P=P-S
T=P-S+P
T=2P-S
T+P+S=33
(2P-S)+P+S=33
2P-S+P+S=33
3P=33 |:3
P=11 => Paula are 11 narcise
Coroana?
T-P=P-S
P=?
T-P=P-S
T=P-S+P
T=2P-S
T+P+S=33
(2P-S)+P+S=33
2P-S+P+S=33
3P=33 |:3
P=11 => Paula are 11 narcise
Coroana?