Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
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$\dfrac { a b } { 2 }$
Arrange the rational expression
$\color{#FF6800}{ a } \color{#FF6800}{ b } \color{#FF6800}{ \div } \color{#FF6800}{ 2 }$
$ $ Calculate the multiplication expression $ $
$\color{#FF6800}{ \dfrac { \color{#FF6800}{ a } \color{#FF6800}{ b } } { \color{#FF6800}{ 2 } } }$
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