= 120 10 10

120 | 10 = 12



Q = 25

B = 10

S = 5

P = 1

12



QQQ QQQ QQQ QQQ < --- 12



QBSP QBSP QBSP



( 25 + 10 + 5 + 1 ) 3 ( 3 ) = 123

10 120 = 123 10 = 1230



: s