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CONTOH PENJUMLAHAN DAN PENGURANGAN
4567
5214
3435
--------+
13216
23.453
+
17.512
-
16.129
+
24.268
----------
19.104
CONTOH PERKALIAN DAN PEMBAGIAN
125
64
-----X
500
750
------
8000
675
_____
15√10125
90
----- -
112
105
----- -
75
75
--- -
0
PENJUMLAHAN VARIABEL
3 JERUK + 2 JERUK = 5 JERUK
3 APEL + 4 APEL = 7 APEL
JERUK + 3 APEL + 2 JERUK +5 APEL= 6 JERUK + 8 APE
3X+2X=5X
3Y + 4Y=7Y
4X + 3Y +2X+5Y=6X+8Y
km
hm
dam
m
dm
cm
mm
dihapal: kucing hitam dalam mobil
desi centil mondar-mandir
LUAS DAN KELILING SEGI TIGA
t
a
bc LUAS SEGI TIGA = ½(a X t)
KELILING SEGI TIGA = a+b+c
LUAS LAYANG-LAYANG
LUAS LAYANG-LAYANG
= ½ DIAGONAL X DIAGONAL
LUAS BELAHAN KETUPAT
LUAS BELAHAN KETUPAT
= ½ DIAGONAL X DIAGONAL
LUAS LINGKARAN DAN KELILING LINGKARAN
R
LUAS LINGKARAN= π R2
Dengan
π = 3,14 atau 22/7
R = jari-jari
lingkaran
t
JAJARAN GENJANG
UAS JAJARAN GENJANG = ALAS X TINGG
PERSEN
=7/8 x 100%
=87,5 %
PERSEN ARTINYA PER SERATUS
APAKAH NAMA PERSEN DARI 7/8 ?
FAKTOR PERSEKUTUAN TERBESAR
12
2 6
3 2
18
3 6
3 2
FPB DARI 12 DAN 18
ADALAH 6
JAM DAN SUDUT
12
111
10
8
7 5
4
9
6
3
2
JAM DI SAMPING
MEMBENTUK
SUDUT
3
90°
JAM DI SAMPING
MEMBENTUK
SUDUT
6
180°
RUMUS BUNGA TABUNGAN
B = W X P X M
12 100
B = BUNGA TABUNGAN
W = WAKTU MENABUNG
P = PERSEN BUNGA
M = MODAL / TABUNGAN AWAL
DIHAPAL:BUNGA
WAKTU
PULANG
MAKAN
RUMUS JARAK, KECEPATAN DAN WAKTU
S = V X T
S : JARAK
V : KECEPATAN
T:WAKTU
BRUTTO, NETTO DAN TARRA
APABILA SEBUAH KARUNG BERISI
BERAS
MEMPUNYAI BRUTTO 50 KG DAN
NETTONYA 45 KG
MAKA TARRANYA 5KG.
SEHINGGATARRA = BRUTTO-NETTO
Rumus sd

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