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WorksheetsVýrazy - násobení závorky 2
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
5⋅(2a+3b−4c)=
a)
10a+15b−20c
b)
10a+15b−9c
c)
7a+8b−c
d)
10a+15b+20c
2.
(12x2−3y3+4z)⋅2 =
a)
24x4−6y6+4z2
b)
24x2−6y3+8z
c)
14x2−5y3+6z
d)
14x2−6y3+8z
3.
2a⋅(3a2−2b+6)=
a)
5a3−4ab+8a
b)
6a3−a2b2+8a
c)
6a3−4ab+12a
d)
5a3−ab+8a
4.
(b−3+c)⋅8a=
a)
8ba−24a+8c
b)
8ab+5a+8ac
c)
8ab−5a+8ac
d)
8ab−24a+8ac
5.
−a⋅(2a+2b−3c)=
a)
−2a2−2ab+3ac
b)
2a2+2ab+3ac
c)
−2a2+2ab−3c
d)
−2a2−2ab−3ac
6.
3⋅(2a−3b+4c−5d)=
a)
5a+0b+7c−2d
b)
6a−9b+12c−15d
c)
6a−6b+12c−2d
d)
5a+6b+12c−15d
7.
(2x−3y+4z−5a)⋅(−2x)=
a)
−4x2+5xy−6xz+7ax
b)
−4x2+6x−8x+10x
c)
−4x2+6xy−8xz+10ax
d)
−4x−6xy−8xz+10ax
8.
2x2⋅(x−2x2+3x3−x4)=
a)
2x3+4x4−6x5+2x6
b)
2x3−4x0+6x6−2x8
c)
2x3−4x4+6x6−2x8
d)
2x3−4x4+6x5−2x6
9.
(u+v+5)⋅4uv=
a)
4u2v+4uv2+20uv
b)
5uv+5uv+20uv
c)
4uv+4uv2+9uv
d)
5uv+4u+9v
10.
(−a2)⋅(−ab+4b+2)=
a)
a2b2−4ab2−2a
b)
a3b−4a2b−2a2
c)
a3b−4ab−2a
d)
a3b−4a2b−2a
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