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Perkalian bilangan bulat

Perkalian bilangan bulat

Assessment

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Mathematics

7th Grade

Practice Problem

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Created by

Yuhelmon Yuhelmon

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8 Slides • 5 Questions

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Fill in the Blanks

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Labelling

isilah titik-titik pada kotak yang tersedia.

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-3

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-4

-1

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Match

pasangkan bentuk perkalian dua bilangan dengan penjumlahan bilangan berulang yang sesuai

-4 x 5 = . . . .

-4 x -5 = . . . .

5 x -4 = . . . .

-5 x -4 = . . . .

-(5+5+5+5)

-(-5 + -5 + -5 + -5)

(-4 + -4 + -4 + -4 + -4)

-(-4+ -4+ -4+ -4+ -4)

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Audio Response

berapakah hasil dari -21 x 13 = . . . .

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Options (6)

4×5×6=4×6×5 -4\times5\times-6=-4\times-6\times5\  

(2)×6=6×(2)\left(-2\right)\times6=6\times\left(-2\right)  

(4×5)×(6) =(4)×(5×(6))\left(-4\times5\right)\times\left(-6\right)\ =\left(-4\right)\times\left(5\times\left(-6\right)\right)  

(2×3)×6=2×(3×6)\left(-2\times3\right)\times6=-2\times\left(3\times6\right)  

4×(5+(6))=(4×5)+(4×(6))-4\times\left(5+\left(-6\right)\right)=\left(-4\times5\right)+\left(-4\times\left(-6\right)\right)  

(5+4)×6 = (5×6)+(5×6)\left(-5+4\right)\times-6\ =\ \left(-5\times6\right)+\left(-5\times6\right)  

Kelompokkan perkalian bilangan berikut berdasarkan sifatnya.

Komutatif
Asosiatif
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