
การบวกลบเอกนาม
Authored by Kanchana Thongbai
Mathematics
7th Grade
Used 324+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3xy2 + (-7xy2) = ?
10xy2
4xy2
-4xy2
-10xy2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
14x2 + 31x2 = ?
45x2
17x2
-45x2
-17x2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-17mn) + (-6mn) = ?
-11mn
-23mn
23mn
11mn
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-42y2z) + 56y2z = ?
-14y2z
-98y2z
14y2z
98y2z
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-30pq) + (-7pq) = ?
23pq
-23pq
37pq
-37pq
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
42st3 - 23st3 = ?
-19st3
19st3
-18st3
18st3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
18n2 - 29n2 = ?
10n2
-10n2
11n2
-11n2
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