
Calcule cu numere reale reprezentate prin litere - 1
Authored by Peter Pop
Mathematics
7th - 8th Grade
Used 109+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7x + 2x = ... .
9x
5x
-5x
-9x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
11a - 3a = ... .
-8a
8a
14a
-14a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9b - 5b = ... .
14b
-14b
4b
-4b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4x2 + 9x2 = ... .
13x2
-13x2
5x2
-5x2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6a3 - 9a3 = ... .
3a3
-3a3
15a3
-15a3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9x2 - 16x2 = ... .
-25x2
25x2
7x2
-7x2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
24xy - 32xy = ... .
8xy
-8xy
56xy
-56xy
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