# Test: Algebraic expressions II - Normal

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Question 1:   Multiply  $\frac{2}{5}×10a$
$25a$
$a$
$20a$
$4a$
Question 2:   Divide the fractions  $\frac{a}{2}:\frac{{a}^{2}}{6}$
$\frac{a}{3}$
$\frac{{a}^{3}}{12}$
$3a$
$\frac{3}{a}$
Question 3:   Expand the brackets  $\left(a+0.3\right)5b$
$5ab+15b$
$a+1.5b$
$5ab+1.5b$
$5ab+0.3$
Question 4:   Subtract  $18m6cm-3m7cm$
$14m$
$14m1cm$
$14m99cm$
$15m1cm$
Question 5:   Factorise  $25-{a}^{2}$
$\left(20-a\right)\left(5+a\right)$
$\left(20-a\right)\left(5-a\right)$
$\left(10-a\right)\left(10+a\right)$
$\left(5-a\right)\left(5+a\right)$
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