Page 39 - บทที่ 1
P. 39
r
= 3x9 II CO 1 1^
— + 2 9
=
— + 4 8 6x5 = 16-9
11 = -
— 4 + 1 9 II CM 1 00
— 4x2 = = 1 + 4 X 1 2
— 5x7 = 12 = - 5 11-7
= =
— + 9 5 + 4 9 9x8
8x7 = 4x6 = + 7 8
— = + 1 5 + 5 4 II CO 1 <M
=
— + 8 0 = - 7 1 13-7
— 4x7 = 17 = - 8 + 1 3
=
— 7 + 6 8x5 = 9x9
13 =
— - 4 = - 2 9 + 8 4
CO 1 — 2x9 = = + 1 6
11 = - 14 = -
— 8 6 7x5
3x6 = =
— + 8 4 4-4
= + 7 6 = 7 + 9 7x4 = 1
unvi 15 0x7 = = - 7
UIVl Q-UIVl
38
