ページ1:

P.69
(2F-1(2-3)
4-652-√2+3
1-1√2
2 (√7+2) (+)
7+19 +10
11-17
(3 (+2) (13-5)
13+313-10
1+3√3
((4)) (√5+ √2) 2
15+250+2
7+250
(5) (22+1)2
8+4√2+1
9+4√2
2
1-2J+7
8-2J7
T-5)²
=16-2012+2
6-403+2
P.70
(1)(2√5+3)(255-3)
=20-93
111
8-4-3
(8)(27+2) (17-2)
7-4
=3
2
=2-6
UU) 3+15) (3-5)√5 (55-1)
29-5+5-15
9-15
2
(3)
4+256-256-6
・2
(J5-1+120
5-255+1+255
6
(4) √8+ √3+ (√3-√2) 2
256+3-256+2
で
=5
15 (16+1)2-54
16+256+1-356
1-√6
(16) √48-(√8-√2) 2
4.3-6+4.3-2
= 8√3-8
(7))(√3-1) + √2 (56-√2)
73-2.3+1+273-2
=2
(8)(17-1)-(+12
:1-267+1-1-219-
-4√7
x+y=3+213+1
x-4:3-213+L
xty-4-21
+1x-44-2√5
2x8
x4
(x,y) = (4.2√3
242
224
21
4+y=4+3
y 20

ページ2:

ま
3
P.71
2
(+1)(-1)
13-1
2
(x+y)²
(1+1+15-1)^
(2)
12
√3+1-√5+1)*
4
(x+y) (-Y)
(√3+1+13-1)(√3+1-√3+1)
21×2
4√3
2 Q1² - yo
②
7
5-3
= 2
(2x²-9
P.72
①) 2x+6y+3x-6y
5x
35√2+5√6
J√2+16) (√2-√6)
12-6
- 4
3)2(√2+56) (52-√0)*
-24√2+4√6)
2-8√2+8√6
(4) 16
2112-16
= (√50+√5)²-16
こ
2
(√√5) 9
7+2.35+5-9
3+2.35
(3)(x+1)(x-5)
(√3+2+1)(15+2-5)
(3-3)(3-3)
3-9
10+45+6-16
4√15
(2)(x+2)(x+4)
こ
(15-4+2) (15-4+4)
(√5-2)4√5
5-2.5
(3)(x-2)^-3
k.
(2=13-2)-3
0
(4)スリ(スーツ)
x2(x+y) (x-9)
2 (3+ (3)
2×6×2
2417
(5) 22-2xy=y*
18+(エリ)
T
· 32√5)*
8+20
x² + 2xy +y^-4x4
20+16
=36