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การบวกและการลบเอกนาม

Authored by มาลี อําพร

Mathematics

7th Grade

Used 4+ times

การบวกและการลบเอกนาม
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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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