ćșéĄ:ăă«ăąăłăăđăă
()
ćźéă«ăăŁăćșæ„äșăćșă«ăȘăŁăŠäœăăăæČă§ăæ ç»ćăăăăăă§ăăăćăćăźââă«ăȘăă
è©łçŽ°ăăŒăž(20)1/3 ăźăăăăŻă«ćć ă§ăăȘăç·ăŻăȘăŒăăŁăŒ
ă€ăłăăčă«ă€ăăăźăă±ă§ăă