
การบวกและการลบเอกนาม
Authored by มาลี อําพร
Mathematics
7th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(5y)+(-2y)+(7y) = ?
10y
14y
-10y
-14y
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
12ab + 3ab - 5ab = ?
10ab
-31ab
-10ab
10a3b3
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
-15x2y + 18x2y +22x2y = ?
25x2y
25x6y3
-25x2y
-25x6y3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-18xy2 + 6xy2 - 12xy2 = ?
-24xy2
24xy2
-24x3y6
24x3y6
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4ax - 5ax - 8xa = ?
-9ax
9ax
-ax - 8xa
160a3x3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10x3y2z - 3x3y2z + 3x3y2z = ?
10x3y2z
10x9y6z3
-90x9y6z3
10x3y2z - 3x3y2z + 3x3y2z
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5x2 + 10y2 + 15z2 = ?
5x2 + 10y2 + 15z2
30x2y2z2
30(x2+y2+z2)
750x2y2z2
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