Test_เลขยกกำลัง 65

B. d. BUN.MN ddNN7qoÑ 21.514 11

n

1

1 23 3 2 3 5 23 23×3 -2×3-5×23 = 26×3-7 = 26

x2y3 xy4 37
x2y
2 '' = xyb

✗y
'

✗y

3 16 1=4
4 64 4
5 5 V5

6 33 39 929 =3

7 5 256 5) ¥32256 = =2

58 8

8 ?4 8 Egg27k = 256
2, 12 ✗
Fg 3
958C 20
524 80 125 2ft + 4r5 - b- Fb = V5
24L
I 28L 10 2 2 3+52 = 6 +22T = lot 2k = toter
×
' 2④ 9- 2 9

3 2 3- V2 3 + T2 ( 3- re )(z+rz )

2 %

11 83 (d) 22 2= =

1 (d) I g.

42

3 2×137 ?

12 2 92 3°= & ✗ = 2×27 = 2g =3
Ifs + 4%32-5%33 = 2Fst4rz - 5h5 = V3
1 ( g. 3) 1g 22

83 ?

13 2 3 1 4 9 1 5 27 1 2B + 4%9 5%29 = =3
2 4 6
-

14 4x3y 27xy3 ✓ ✓ =/ ;y2I*yA'✗ 'y ✗ ' ax ' =/ 9×342=19×7×14 ' = zxyrx
3xy2 16 ' 222
=
91y✗ ✗
34×-42 Hog

348L 3149L

216L 944

28L 7
24

2

15 27 48 147 353 t GT3 - gfs = 0

16 50 32 18 b- V2 + 4K - 3h = bit

17 36x 216 x &× =3

iii. =P Ig✗ =

gz"= 2X =3

6

18 22x 1 16 x

22×+1 = 24

2×+1 = 4 Ig✗ =

19. 8 3x 1 16
27 81
( 1 :P ) " " " → 1,119×-3=1;-)" :{ 1g };a×= , → ✗ =
→ 9×-3=4 →
=/ ;)
21

20 x3 7x3 18 0
%) ]Ñ( ✗ 't 9×13-18=0
A= ✗ → ' 0= → ( A + 9) 1A -27=0

A +9A -18

At 9=0 Mid A -2 :O

A = -9 A=2

Is ✗ = -9 Ufo 13

1×131,=1-973 ✗ =2

✗ = -929 1×1313=23

✗= 8

{mon s}