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