ȳϼ ȳ - Ƿ ÷° - ٽ, ߰ɼ . - ȫäڿ ġϹǷ Ǽ ս . - ϸ ° ǹǷ . ȳ ۿ - 쳻 ȯ ظ ް Ǹ Ͻ Ⱦл 쳻 Ͼ ȫü ȯ ټ ְϿ ֽϴ. ʴ Ͻ ٸ ʴ ϱ ð ټ ҿ 1.а˻(ϳ ٰŸ, --ϻȰ ) 2.ȫü( ϻȰ ) 3.ʴ( 2-3ϰ 3-4 ϻȰ ) 4. ʴ( 2-3ϰ 3-4 ϻȰ ) а˻ 5̸ ٽø Ž 500 ٽ Ž 700Ͻø ˴ϴ 2.