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Sifat Operasi Hitung

Sifat Operasi Hitung

Assessment

Presentation

Mathematics

4th Grade

Practice Problem

Hard

Created by

Gita Apandi

Used 3+ times

FREE Resource

7 Slides • 0 Questions

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MATEMATIKA

sifat operasi hitung

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SIFAT OPERASI HITUNG

sifat penyebaran

(distributif)

Contoh:

Penjumlahan ~ (a+b)+c=a+(b+c) ~

(11 + 5) + 3 = 11 + (5 + 3) = 19

Perkalian ~ (axb)xc=ax(bxc) ~
(12 x 2) x 4 = 12 x (2 x 2) = 96

sifat pertukaran

(komutatif)

Contoh:

Penjumlahan ~ a + b = b + a ~

2 + 8 = 8 + 2 = 10

Perkalian ~ a x b = b x a ~

9 x 5 = 5 x 9 = 10

Contoh:

Perkalian terhadap Penjumlahan

~ a x (b + c)=(a x b) + (a x c) ~

2 x (10 + 3) = (2 x 10) + (2 x 3) = 26

Perkalian terhadap Pengurangan

~ a x (b - c)=(a x b) - (a x c) ~

4 x (10 - 2) = (4 x 10) - (4 x 2) = 32

sifat pengelompokkan

(asosiatif)

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SIFAT PERTUKARAN (KOMUTATIF)

Contoh:

Penjumlahan
a + b = b + a

2 + 8 = 8 + 2 = 10

Perkalian

a x b = b x a

9 x 5 = 5 x 9 = 45

Rumus

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SIFAT PENGELOMPOKKAN (ASOSIATIF)

Contoh:

Penjumlahan

(a + b) + c = a + (b + c)

(11 + 5) + 3 = 11 + (5 + 3) = 19

Perkalian

(a x b) x c = a x (b x c)

(12 x 2) x 4 = 12 x (2 x 4) = 96

Rumus

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(7 + 8) + 9 = …

14 + (12 + 17) = …
(24 + 23) + 27 = …
(37 + 29) + 30 = …
42 + (37 + 46) = …

Soal latihan:

1.
2.
3.
4.
5.

(3 x 4) x 6 = …
2 x (7 x 9) = …

(9 x 11) x 13 = …
12 x (14 x 20) = …
(21 x 24) x 19 = …

Soal latihan:

1.
2.
3.
4.
5.

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MATEMATIKA

sifat operasi hitung

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