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Suma i resta monomis
1.
3x
2
+ 4x
2
- 5x
2
=
A) 2x
2
B) x
2
C) 3x
2
2.
6x
3
- 2x
3
+ 3x
3
=
A) 7x
3
B) 8x
3
C) 6x
3
3.
-2x
4
+ 6x
4
+ 3x
4
-5x
4
=
A) 4x
4
B) 2x
4
C) 6x
4
4.
7x - 9x - 2x - 4x =
A) -8x
B) -10x
C) 10x
5.
4xy
2
+ 3xy
2
- 2x
2
y =
A) 5xy
2
B) 7xy
2
-2x
2
y
C) 5x
2
y
6.
3x - (8x - 5) + (7 - 2x) =
A) - 7x + 12
B) -3x - 2
C) -3x + 2
7.
x
5
+ 4x
5
– 7x
5
=
A) - 2x
2
B) 2x
2
C) 12x
2
8.
ab
3
+ 3ab
3
– 5ab
3
+ 6ab
3
– 4ab
3
=
A) ab
3
B) -ab
3
C) 0
9.
2y
2
+ 5y
2
– 3y
2
=
A) 4y
2
B) -4y
2
C) 10y
2
10.
3x
2
y – 6x
2
y + 5x
2
y =
A) - 14x
2
y
B) 14x
2
y
C) 2x
2
y
Students who took this test also took :
Enters I: Sumes i restes
Enters II: Operacions combinades
Enters III: Operacions combinades
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