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O÷p=4
O+p=45
O=?
P=?


Răspuns :

O:P= 4 => O= 4P
O+P= 45
4P+P= 45
5P= 45
P= 45:5
P= 9
O= 4×9
O= 36
toate cele↓ 5 segmente=45
O |—|—|—|—|=9+9+9+9=36
p. |—|=9 ____ ↑ sau 9×4=36

1 segment=45:5=9