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< style > * { m a r g i n : 0 ; p a d d i n g : 0 } h 1 { f o n t - s i z e : 2 4 p t ; m a r g i n - b o t t o m : 8 p t } h 2 { f o n t - s i z e : 1 8 p t ; m a r g i n - b o t t o m : 8 p t } h 3 { f o n t - s i z e : 1 6 p t ; m a r g i n - b o t t o m : 8 p t } p { m a r g i n - b o t t o m : 1 2 p t } b o d y { d i s p l a y : f l e x ; f l e x - d i r e c t i o n : r o w ; f o n t - f a m i l y : C o u r i e r N e w , C o u r i e r , m o n o s p a c e } n a v { p a d d i n g - t o p : 1 2 p t ; d i s p l a y : f l e x ; f l e x - d i r e c t i o n : c o l u m n ; b a c k g r o u n d - c o l o r : # 4 6 8 2 b 4 ; m i n - w i d t h : 1 2 0 p t ; h e i g h t : 1 0 0 v h } n a v a { p a d d i n g : 0 4 p t 8 p t 1 8 p t ; d i s p l a y : i n l i n e - b l o c k ; f o n t - s i z e : l a r g e ; c o l o r : # f 5 f 5 f 5 } n a v a : h o v e r { b a c k g r o u n d - i m a g e : l i n e a r - g r a d i e n t ( t o b o t t o m , # 4 6 8 2 b 4 , # 1 9 1 9 7 0 ) } a r t i c l e { p a d d i n g - t o p : 1 2 p t ; p a d d i n g - l e f t : 1 2 p t ; w i d t h : 1 0 0 % }
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< a href = "/" > < strong > Home< / strong > < / a >
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< a href = "/breuken" > Breuken< / a >
< a href = "/wortels" > Wortels< / a >
< a href = "/machten" > Machten< / a >
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< article >
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< h1 id = "wiskunde" > Wiskunde< / h1 >
< p > Links vind je uitleg van basisconcepten die je nodig hebt binnen de wiskunde. Gebruik dit tijdens het leren om je basisvaardigheden na te lopen.< / p >
< p > Hieronder vind je nog een aantal korte opmeringen die niet onder de onderwerpen in het linker-menu vallen.< / p >
< h2 id = "haakjes" > Haakjes< / h2 >
< p > Haakjes gaan altijd voor met uitwerken, maar soms moet je de inhoud loswerken:< / p >
< span class = "katex-display" > < span class = "katex" > < span class = "katex-mathml" > < math xmlns = "http://www.w3.org/1998/Math/MathML" display = "block" > < semantics > < mrow > < mstyle mathsize = "1.44em" > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo stretchy = "false" > (< / mo > < mstyle mathcolor = "red" > < mi > b< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "green" > < mi > c< / mi > < / mstyle > < mo stretchy = "false" > )< / mo > < mo > =< / mo > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "red" > < mi > b< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "green" > < mi > c< / mi > < / mstyle > < / mstyle > < / mrow > < annotation encoding = "application/x-tex" > \Large
\textcolor{blue}{a}(\textcolor{red}{b}+\textcolor{green}{c})
= \textcolor{blue}{a}\cdot\textcolor{red}{b}+\textcolor{blue}{a}\cdot\textcolor{green}{c}< / annotation > < / semantics > < / math > < / span > < span class = "katex-html" aria-hidden = "true" > < span class = "base" > < span class = "strut" style = "height:1.44em;vertical-align:-0.36em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mopen sizing reset-size6 size8" > (< / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:red;" > b< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.44em;vertical-align:-0.36em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:green;" > c< / span > < span class = "mclose sizing reset-size6 size8" > )< / span > < span class = "mspace" style = "margin-right:0.2778em;" > < / span > < span class = "mrel sizing reset-size6 size8" > =< / span > < span class = "mspace" style = "margin-right:0.2778em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.64em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.12em;vertical-align:-0.12em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:red;" > b< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.64em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.62em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:green;" > c< / span > < / span > < / span > < / span > < / span >
< span class = "katex-display" > < span class = "katex" > < span class = "katex-mathml" > < math xmlns = "http://www.w3.org/1998/Math/MathML" display = "block" > < semantics > < mrow > < mstyle mathsize = "1.44em" > < mo stretchy = "false" > (< / mo > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "orange" > < mi > d< / mi > < / mstyle > < mo stretchy = "false" > )< / mo > < mo stretchy = "false" > (< / mo > < mstyle mathcolor = "red" > < mi > b< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "green" > < mi > c< / mi > < / mstyle > < mo stretchy = "false" > )< / mo > < mo > =< / mo > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "red" > < mi > b< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "blue" > < mi > a< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "green" > < mi > c< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "orange" > < mi > d< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "red" > < mi > b< / mi > < / mstyle > < mo > +< / mo > < mstyle mathcolor = "orange" > < mi > d< / mi > < / mstyle > < mo > ⋅< / mo > < mstyle mathcolor = "green" > < mi > c< / mi > < / mstyle > < / mstyle > < / mrow > < annotation encoding = "application/x-tex" > \Large
(\textcolor{blue}{a}+\textcolor{orange}{d})(\textcolor{red}{b}+\textcolor{green}{c})
=
\textcolor{blue}{a}\cdot\textcolor{red}{b}+\textcolor{blue}{a}\cdot\textcolor{green}{c}+\textcolor{orange}{d}\cdot\textcolor{red}{b}+\textcolor{orange}{d}\cdot\textcolor{green}{c}< / annotation > < / semantics > < / math > < / span > < span class = "katex-html" aria-hidden = "true" > < span class = "base" > < span class = "strut" style = "height:1.44em;vertical-align:-0.36em;" > < / span > < span class = "mopen sizing reset-size6 size8" > (< / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.44em;vertical-align:-0.36em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:orange;" > d< / span > < span class = "mclose sizing reset-size6 size8" > )< / span > < span class = "mopen sizing reset-size6 size8" > (< / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:red;" > b< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.44em;vertical-align:-0.36em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:green;" > c< / span > < span class = "mclose sizing reset-size6 size8" > )< / span > < span class = "mspace" style = "margin-right:0.2778em;" > < / span > < span class = "mrel sizing reset-size6 size8" > =< / span > < span class = "mspace" style = "margin-right:0.2778em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.64em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.12em;vertical-align:-0.12em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:red;" > b< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.64em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:blue;" > a< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.96em;vertical-align:-0.12em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:green;" > c< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:orange;" > d< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1.12em;vertical-align:-0.12em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:red;" > b< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > +< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:1em;" > < / span > < span class = "mord mathnormal sizing reset-size6 size8" style = "color:orange;" > d< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < span class = "mbin sizing reset-size6 size8" > ⋅< / span > < span class = "mspace" style = "margin-right:0.2222em;" > < / span > < / span > < span class = "base" > < span class = "strut" style = "height:0.62em;" > < / span > < span class = "mord mathnormal siz
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