maketa klaous 4H EKDOSH:Layout 1 2/13/12 11:28 AM Page 2 · PDF fileΑποκρυφισμός:ΗΠΑ,
2122-4h decada
-
Upload
akindynos-alvanos -
Category
Documents
-
view
212 -
download
0
description
Transcript of 2122-4h decada
-
1
4
31. = 52 42 + 3 = 4(23 5) + 24:3 ) ) )
)
%
) = 52 42 + 3 = 25 16 + 3 = 12 = 4(23 5) + 24:3 = 4(8 5) + 24:3 = 43 + 24:3 = 12 + 8 = 20 ) = 12 = 34 = 322 = 20 = 54 = 522 ) (12 , 20) = 22 = 4
=
1220
= 12 : 420 : 4
=35
)
=
1220
=60
100= 60%
32 . x y, . ) .
) x y.
) 6 y
x=
26
=13
y = 13
x x = 3y
x = 1 y = 13
, y = 6 x = 18
y = 4 x = 12 , x = 4 y = 43
, y = 1 x = 3
x 1 4 6 y 6 4 2 1
x 1 18 12 4 6 3
y 13
6 4 43
2 1
-
2
)
11, 3
, (18, 6) , ( 12 , 4) ,
44, 3
, (6, 2) (3, 1)
33 . .
.
...
.
.
.
..
. .
.
.
.
.
.
. ,
.
.
.
.
.
.
.
.
.
.
.
.
12
4
6
4/31/3
12 186431
-
3
34. :
= (62 + 34 47)2014 + (33 39) 2015 = (32 23) 2 + (4 5)( 1) = 8(7 5) (2 3) 34 ) , ) = 1 , = 3 = 5 : i) AB + ( + A ): ii) 2 + 2 + 2 ( )1000 iii) 42 + ()2 2
) = (62 + 34 47)2014 +(33 39) 2015 = (36 + 34 47)2014 +(27 39) 2015 = = (36 + 12 47)2014 +(27 27) 2015 = = 12014 + 0 2015 = 1 + 0 = 1 = (32 23)2 + (4 5)( 1) = (9 8)2 + (4 5)( 1) = = 12 + ( 1)( 1) = = 2 + ( +1) = 2 + 1 = 3 = 8(7 5) (2 3) 34 = 82 ( 1) 34 = = 16 ( 1) 12 = = 16 + 1 12 = 5 ) i) AB + ( + A ): = 13 + (5 + 1):3 = 3 + 6:3 = 3 + 2 = 5 ii) 2 + 2 + 2 ( )1000 = 12 + 32 + 52 (5 1 3)1000 = 1 + 9 + 25 11000 = = 1 + 9 + 25 1= 34 iii) 42 + ()2 2 = 432 + (15)2 123 = = 49 + 52 13 = = 36 + 25 3= 58
-
4
35. . 1800 ,
2200 23
.
) ) ) 25%, ; ) ,
.
)
231800 = 1200
) 1800 + 2200 + 1200 = 5200 )
25100
2200 = 550.
2200 550 = 1650 ) 550 , 1200 + 550 = 1750 .
17505200
0,337 = 33,7100
= 33,7%
.
36. = (32 4)3 (62:3) + 2 = 3(34 + 22) (52 71) :13 . = 5 = 30. . (, ) (, ), () . x y
, ,
()
) = (32 4)3 (62:3) + 2 = (9 4)3 (36:3) + 2= 53 12 + 2 = 15 12 + 2 = 5 = 3(34 + 22) (52 71) :13 = 3(12 + 4) (25 7) :1= 316 18 :1 = 48 18= 30 ) = 5 = 56 = 523 (, ) = 5 (, ) = 523=30 ) = 5 = 30
yx
= 62
= 3 = 155
=3010
x y
x 2 A 10 y 6 15 B
x 2 5 10 y 6 15 30
-
5
37 .
= (25 + 3)2 + 23:4 + 22 = 2(45 10) (12:3) + (1) 2014 i) = 50 = 25 ii) = + , (i) , 3 5 . iii) i) |2| | | + ||
i) = (25 + 3)2 + 23:4 + 22 = (22)2 + 8:4 + 4 = = (44) + 2 + 4 = = 44 + 2 + 4 = 50 = 2(45 10) (12:3) + (1) 2014 = 2(20 10) (4) + (+ 1) = = 210 + 4 + 1= = 20 + 4 + 1 = 25 ii) = + = 50 + 25 = 75 5, 5. 12, 3, 3 iii) = 50 = 225 = 252 = 25 = 52 i) |2| | | + || = |250| |25 50| + |25| = = |100| | 25| + |25| = =100 25 + 25 =100
38. 60 , 30 50 . , 20% , 25% 30% . ) . ) .
)
20100
60 = 12
60 12 = 48
25
10030 = 7,5
30 7,5 = 22,5
30
10050 = 15
50 15 = 35
-
6
) 60 + 30 + 50 = 140 , 12 + 7,5 + 15 = 34 ,5
34,5140
0, 246 = 24,6100
= 24,6%
.
39 . xx yy 63. ) , , ) : i)
ii)
) = = 63 . = 90 = 90o xx yy . = = 90o + 63 = 90o = 27 )
40. 5300 . 35% , .
(30 ) 35 , .
35
1005300 = 1855 .
5300 1855= 3445 30 + 35 = 65 . 3445 : 65 = 53 . 5330 = 1590 3445 1590 = 1855
= 63
y
y
x x