Pembahasan Mtk UN 2013 Paket 01
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Transcript of Pembahasan Mtk UN 2013 Paket 01
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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SMPN 3 KALIBAGOR
Alfa Kristanti1
PAKET 1
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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SMPN 3 KALIBAGOR
Alfa Kristanti2
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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SMPN 3 KALIBAGOR
Alfa Kristanti3
23 + 43 =1
23+
1
43=
1
8+
1
64=
8
64+
1
64=
9
64
Pelangi Matematika Viandre
Al4-kristanty.blogspot.com
28 3 = 28 3 = 224 = 24 6 = 226 = 46
41
4+ 6
2
3 2 1
2= 4
1
4+
20
3 5
2= 4
1
4+
20
3
2
5
= 4
1
4 +
8
3 =
17
4 +
8
3 =
51
12 +
32
12
=83
12= 6
11
12
Selisih =5 35 + 3
64.000 =2
8 64.000= 16.000
Bunga 9 bln =9
12 12% = 9%
Tabungan setelah 9 bln = 100% T + 9% T = 109% T
109% T = 3.815.000T =3.815.000
109%=
3.815.000
109
100
= 3.815.000 100
109
= 3.500.000
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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SMPN 3 KALIBAGOR
Alfa Kristanti4
b = 5252 =
31193
= 123
= 4
U2= a + b19 = a + 4a = 194a = 15
Sn=
2( 2a + (n1)b )
S24=24
2( 2(15) + (241) 4 ) = 12 (30 + (23)4 ) = 12 (30 + 92)
= 12 (122) = 1.4.64
a = U1= 7
b = U2U1= 157 = 8
Un = a + (n1)b
U50= 7 + (501)8 = 7 + (49) 8 = 7 + 392 = 399
r = 21=
3
9=
1
3
a = U1= 9
Un= a rn1
= 9 13
1
= 32 311
Un= 32 3+ 1= 32 + 1= 33
5x5 1 + 2x
5x2x 1 + 53x 6
x 2
I. 4x 9 = (2x) 3 = (2x+ 3)(2x3)II. 2x
2+x3 = (2x+ 3)(x1)
III. x2+x6 = (x+ 3)(x2)
IV. x2+ 4x5 = (x+ 5)(x1)
m =
212 1
=2 1
23=
35
yy1= m (xx1)
y1 =35
(x(3))
y1 =35
(x+ 3)
5(y1) =3(x+ 3)
5y5 =3x9
5y + 3x =9 + 5
3x + 5y =4
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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Alfa Kristanti5
ax+ by + c = 0a = 2 ; b = 4
m = =
24 =
1
2
Jumlah bilangan terbesar dan terkecil
=2
3jml ketiga bilangan
=2
396 = 64
M = { 3, 5, 7 }N = { 4, 6, 8 }
M N = { 3, 4, 5, 6, 7, 8 }
g(2) = 7
2q + r = 7
g(5) = 7
5q + r = 7
2q + r = 7
5q + r = 7
7q = 14q = 2
2q + r = 7
2(2) + r = 7
4 + r =
7r = 7 + 4
r = 3
g(4) = 2(4) + (3)
= 8 3
= 11
Misal :Harga gunting = p
Harga spidol = q
2p + 3q = 18.000 5 10p + 15q = 90.000
3p + 5q = 29.000 3 9p + 15q = 87.000
p = 3.000
10 10
1010
6 6A
B
C
D
E
S = 4
=40
4= 10
DE = 2 2 = 102 62 = 100 36 = 64 = 8BD = 2 DE = 2 8 = 16
Lbelahketupat ABCD=1
2 d1 d2=
1
2 AC BD = =
1
2 12 16 = 96
2p + 3q = 18.0002(3000) + 3q = 18.000
6.000 + 3q = 18.0003q = 12.000q = 4.000
4p + 2q = 4(3000)+2(4000)= 12.000 + 8.000= 20.000
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SMPN 3 KALIBAGOR
Alfa Kristanti6
Pada gambar di samping:ABC PQR makaAB = PQ, BC = PR,
AC = QRQ
P
R65
o
80o
A
B
C65o
80o
Q
28
16
8
P RM
L
K
12 6
21
=
12
16=
3
4 ,
=
21
28=
3
4 ,
=
6
8=
3
4
KL =4 27 + 2 12
4 + 2
=108 + 24
6=
132
6= 22
L daerah tdk diarsir = LKLMN+ LPQRS2 Ldaerah diarsir
= 16 12 + 822 40= 192 + 6480
= 176
Banyak lampu = =
4 30
6= 20
DE
F
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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Alfa Kristanti7
(6x+ 4) + (5x+ 9) = 90
11x+ 13 = 9011x= 901311x= 77
x= 7 PenyikuAOC = COB = 5x + 9 = 5(7) + 9 = 35 + 9 = 44
Sudut keliling menghdpbusur yg sama maka
ABE = ACE =ADE
ABE =96
3= 32
AOE = 2 ABE= 2 32
= 64
= 676 100 = 576 = 24luar = 262 13 32 = 676 102
LORS=
=75
105 21
= 15
Panjang rusuk balok = 4 (p + l + t) = 4 (30 + 12 + 18)= 4 (60) = 240 cm
Kawat untuk kerangka 2 balok = 2 240 = 480 cm
Sisa kawat = 5 m480 cm = 500 cm480 cm = 20 cm
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Alfa Kristanti8
BC = 4
=72
4= 18
t
9
15t = 152 92 = 225 81t = 144 = 12
Vlimas=1
3La t =
1
3 18
2 12 = 324 4 = 1.296
dbola= rusuk kubusdbola= 12, maka :
r =12
2= 6
Vbola=4
3 r
3=
4
3 6
3=
4
3 216
= 4 72 = 288
Ldinding= 2 (pt + lt) = 2(6 5 + 10 5)= 2(30 + 50) = 2(80) = 160
Biaya = 160 Rp 40.000,- = Rp 6.400.000,-
s2+ s
2= 4
2
2 s2= 16
s2= 8
s = 8 = 4 2 = 22
4 s
s
Lkubus= 6 s2
= 6 222= 6 8
= 48
d = 14r = 7
Ltabung= 2r (r + t) = 2 22
7 7 (7 + 34)
= 44 (41) = 1.804
Siswa dgn nilai 72 = 4028 = 12 anakJml nilai siswa = 28 80 + 12 72 = 2.240 + 864 = 3.104
Rata-rata nilai = =
3.104
40= 77,6
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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Alfa Kristanti9
Data 5 6 7 8 9frekuensi 2 3 2 4 1
Modus
32 30
Jumlah hasil panen 2010 dan 2011 = 3 + 4 = 7
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8/11/2019 Pembahasan Mtk UN 2013 Paket 01
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SMPN 3 KALIBAGOR
Alfa Kristanti10
n(S) = 2 2 2 = 82 angka 1 gambar = AAG, AGA, GAA
P (2 angka 1 gambar) =3
8
6
5 5
22
4
3 3
Banyak kelereng = 6 + 5 + 3 + 3 + 2 + 4 + 2 + 5 = 30Kelereng merah = 6
P ( 1 merah) =6
30 100 % = 20 %