若 a = -3, b = -2, c = 4, 求下列各式的值:
a-5
代数式练习2023-01
Quiz
•
Education
•
12th Grade
•
Medium
黄轩辉Wong Hui
Used 8+ times
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若 a = -3, b = -2, c = 4, 求下列各式的值:
a-5
8
-8
-2
2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若 a = -3, b = -2, c = 4, 求下列各式的值:
ab2
7
-7
-12
12
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若 a = -3, b = -2, c = 4, 求下列各式的值:
a2 + b2
13
10
14
-13
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
y+y+y+y+y+y+y+y
y
8y
y8
-8y
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5a+7b-2a-3b
3a-4b
-3a-4b
-3a+4b
3a+4b
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪项是单项式
+3ab
-2y+6
-8mnpq + x-4y +5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪项是多项式
+3ab
-2y+6
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