õ仹?
Ҩҡ Ѩغѹҡ١ 21 ա 6 բҧ˹ 5 Ңͧ١
ҡҺ ˹Ѻ ?
..................ô.... Դӹdz ٤ӵͺ ҧҧ
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餳Եʵ鹵 ١ X
ǹ X+21
ա 6 բҧ˹ (X+21)+6 = 5(X+6)
͡Ҩ X դ -0.75
Ť ١ (ź 0.75) ź 9
ػ١ѧʹ
***** ͻѨغѹ躹ҧͧʧ ......................