Răspuns :
O=M-8
O+M=18
O=?
M=?
O=M-8
O+M=18 rezulta din ambele relatii ca M-8+M=18
2M=26
M=13
O=13-8=> O=5
O+M=18
O=?
M=?
O=M-8
O+M=18 rezulta din ambele relatii ca M-8+M=18
2M=26
M=13
O=13-8=> O=5
O |------------| |
M |-----------|----| | 18
8
1.Scadem surplusul.
18-8=10
2.Cate bile are O?
10:2=5
3.cate bile are M?
5+8=13
M |-----------|----| | 18
8
1.Scadem surplusul.
18-8=10
2.Cate bile are O?
10:2=5
3.cate bile are M?
5+8=13