Het vermenigvuldigen is distributief ten opzichte van het optellen en aftrekken Flashcards

1
Q

Het vermenigvuldigen is distributief ten opzichte van het optellen en aftrekken.(optellen)

A

∀a,b,c∈ℝ: a.(b+c)=a.b+a.c

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2
Q

2.(x+3)=

A

2x+2.3=2x+6

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3
Q

(3-y)(-7)=

A

7.3+(-7).(-y)=-21+7y

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4
Q

-5.(-2x+5)=

A

-5.(-2x)+(-5).5=10x-25

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5
Q

-4(0,25a-0,3b)=

A

-4.0,25a+(-4).(-0,3b)=-a+1,2b

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6
Q

Het vermenigvuldigen is distributief ten opzichte van het optellen en aftrekken.(aftrekken)

A

∀a,b,c∈ℝ: a.(b-c)=a.b-a.c

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