Բ ϱ Խ

⺻ 173 帳ϴ.

ð

ȸ

*

2021.02.14

ȳϼ!

173 9

Ժп (y) ϴ Ǯ 帳ϴ.


нĿ йϴ Ȯ Ǯ̰ ʾƼ =130

Ǯ ˷ּ մϴ.


մϴ. 

2021.02.15

ȳϼ ^^

չ
ؿ 꿡 Դϴ.

Ͻ ϸ ϴ.
մܰ ־ ؼ 120 Ȯ߽ϴ.

մܰ
= [(100*100)+(200*X)]/(100+200)= 120

и 100+200=300 ̵()ϸ
ϱ ˴ϴ.

(100*100)+(200*X)= 120*(100+200)
(100*100)+(200*X)= 36,000

X ؾ ϹǷ (100*100)=10,000 ̵()
ϸ ϱⰡ ̳ʽ˴ϴ.
(200*X)= 36,000-10,000

X 200 ̹Ƿ ϸ ˴ϴ.
X= 26,000/200= 130

Ϸǽñ ٶϴ.


2021. 2. 15.













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Խù ˻
ݱ
15 л Ŀ հ

[ ̿ ]

߰ ڰݺ 1:1 н

-

-

/̿

1. ̿
1) û ȳ
2) ̺Ʈ ߺ
3) ſ ڿ Ͽ Ŀ ߰縦 Ŀ ׷ ο Żǰ̳ ̺Ʈ, ֽ ȳ û ⿡ ´ 񽺸 ϱ .
(Ŀ׷: Ŀΰ, Ŀ, Ŀ, Ŀ߱, ĿϺ, Ŀ, Ŀ, Ŀӿ, Ŀ, Ŀ, Ŀҹ, Ŀп, Ŀð, , л, Ŀ )

2. ̿ ׸: ̸, ޴ȣ

3. /̿ Ⱓ: ÷κ 1Ⱓ ̿ϸ, ߰ 1 ıմϴ. ( 2 ) ٸ, ̿Ⱓ ̿뿡 öȸϽô 쿡 ıմϴ.

4. ûڴ ̿ ź ֽϴ. , ź 쿡 û ѵ˴ϴ.


û

X
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