Test:
Algebraic expressions I - Normal
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Question 1:
Calculate:
$\left(2\times 15+66\right):4-2$
A
$2.2$
B
$22$
C
$220$
D
$48$
Question 2:
Remove brackets:
$\left(2c+d\right)2$
A
$4cd$
B
$4c+2d$
C
$4c+d$
D
$c+2d$
Question 3:
Calculate the value of the expression
$3\times 20+5a-2a$
when
$a=2$
A
$660$
B
$6.6$
C
$-66$
D
$66$
Question 4:
How the sum will change if one of the terms increases by
$273$
?
A
Increase by
$273$
B
Decrease by
$273$
C
Increase by
$546$
D
Decrease by
$546$
Question 5:
Subtract:
$17m5cm-12m$
A
$0.5m$
B
$5m$
C
$55cm$
D
$5m5cm$
Question 6:
Find the speed of the boat, if the actual speed of the boat is
$65km/h$
, and the speed of the current is
$3km/h$
A
$62m/s$
B
$62km/h$
C
$68m/s$
D
$68km/h$
Question 7:
How the perimeter of a rectangle will change, if all its sides increase by
$5cm$
?
A
Increase by
$20cm$
B
Decrease by
$10cm$
C
Increase by
$10cm$
D
Decrease by
$20cm$
Question 8:
Remove brackets:
${a}^{2}\left(a+5\right)$
A
${a}^{3}+5$
B
${a}^{2}+5$
C
${a}^{3}+5{a}^{2}$
D
${a}^{2}+5a$
Question 9:
Simplify:
$\frac{5a\left(2-b\right)}{10{a}^{2}}$
A
$\frac{2-b}{5a}$
B
$\frac{5\left(1-b\right)}{2a}$
C
$\frac{2-b}{2a}$
D
$\frac{2-b}{5}$
Question 10:
Calculate:
${\left(\frac{2}{7}-\frac{1}{3}\right)}^{0}:{2}^{3}$
A
$1$
B
$\frac{1}{8}$
C
$0$
D
$8$
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