
Materi Ke - 1 Operasi Hitung + - x atau : Bilangan Negatif
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•
Mathematics
•
1st - 6th Grade
•
Hard
dini sobir
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1
Materi Ke - 1 Operasi Hitung + - x atau : Bilangan Negatif
by dini sobir
2
Apa itu Bilangan Negatif?
Bilangan Negatif adalah bilangan yang letaknya di sebelah kiri angka netral (0) pada garis bilangan.
3
Apa ciri Bilangan Negatif?
>>>Dalam penulisan diawali tanda -, contoh -1
>>>Angka makin besar maka makin kecil nilainya
>>>Makin ke kiri makin kecil nilainya
4
Rumus Konsep Operasi Hitung Bilangan
Penjumlahan =
(+) + (+) = (+)
(+) + (-) = (+) atau (-)
(-) + (+) = (-) atau (+)
(-) + (-) = (-)
Pengurangan =
(+) - (+) = (+) atau (-)
(+) - (-) = (+)
(-) - (+) = (-)
(-) - (-) = (-) atau (+)
Perkalian =
(+) x (+) = (+)
(+) x (-) = (-)
(-) x (+) = (-)
(-) x (-) = (+)
Pembagian =
(+) : (+) = (+)
(+) : (-) = (-)
(-) : (+) = (-)
(-) : (-) = (+)
5
Contoh Rumus Konsep Operasi Hitung Bilangan
Penjumlahan =
3 + 2 = 5
3 + (-2) = 3 - 2 = 1 atau 2 + (-3) = 2 - 3 = -1
-3 + 2 = -1 atau -2 + 3 = 1
-3 + (-2) = -5
Pengurangan =
5 - 4 = 1 atau 4 - 5 = -1
5 - (-4) = 5 + 4 = 9
-5 - 4 = -9
-5 - (-4) = -5 + 4 = -1 atau -4 - (-5) = -4 + 5 = 1
Penjumlahan =
(+) + (+) = (+)
(+) + (-) = (+) atau (-)
(-) + (+) = (-) atau (+)
(-) + (-) = (-)
Pengurangan =
(+) - (+) = (+) atau (-)
(+) - (-) = (+)
(-) - (+) = (-)
(-) - (-) = (-) atau (+)
6
Contoh Rumus Konsep Operasi Hitung Bilangan
Perkalian =
3 x 2 = 6
3 x (-2) = -6
-3 x 2 = -6
-3 x (-2) = 6
Pembagian =
8 : 4 = 2
8 : (-4) = -2
-8 : 4 = -2
-8 : (-4) = 2
Perkalian =
(+) x (+) = (+)
(+) x (-) = (-)
(-) x (+) = (-)
(-) x (-) = (+)
Pembagian =
(+) : (+) = (+)
(+) : (-) = (-)
(-) : (+) = (-)
(-) : (-) = (+)
Materi Ke - 1 Operasi Hitung + - x atau : Bilangan Negatif
by dini sobir
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