9-1

9-2

1 0 1 0

7

9-3

10

80/20 20% 80%

20% 80%

9-4

80/20

20%

emai l b log

9-2 7

FreeMind

9-5

9-6

9-3 Excel

Excel

CD

B:D P

B:D

B A A2:A5

A6 B1 C1:J1 2

C1 C2:C4

B : D

9-7

B :D

B2

9-8

N:O

P

9-9

E

D1