
Calcul algebric - operații cu numere reprezentate prin litere
Authored by Ina Parasca
Mathematics
1st - 5th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
EFECTUAȚI : - 2X2 - 5X2 + X2
3X2
- 6X2
- 8X2
6X2
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Efectuați : ( 3a5 )(-2a)
Efectuați : ( 3a5 )(-2a)
- 5a
- 6a5
a6
-6a6
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Efectuați : - 5x + 3x2 - x - 6x2
- 6x - 3x2
- 9x2
- 4x - 3x2
- 9x
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Efectuați : ( 10b8a3c ) : ( - 2b5a)
8b3a2
5b13a4 c
-5b2a2c
- 5b3a2c
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
”2a2 + a - 15” este rezultatul cărui calcul ?
(a + 3)(2a - 5)
( 2a - 3)(a + 5)
(a - 3)(2a + 5)
(a - 3)(2a - 5)
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
” 81x12y4 ” este rezultatul cărui calcul ?
(-3x6y2 )2
( -9x5y2 )2
( - 3x3y)4
( 9x4y)2
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