以下哪些是代數式?
簡易方程(第一堂)

Quiz
•
Mathematics
•
1st - 5th Grade
•
Medium
Maths Maths
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
a+5
49÷7
20-6=14
21-c
Answer explanation
一個含有未知量的算式,稱為代數式。
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪些是方程式?
29 × w
66k=11
3a>18
Answer explanation
含有未知量的等式,稱為方程式。
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
以下哪一項正確表示「 5乘以y加上9」?
5y+9
y5+9
9-y÷5
5×9=y
Answer explanation
利用空白或「.」來表示數乘以代數或代數乘以代數,一般數字會寫在字母前面。
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
以下哪一項表示m的3倍減去9?
m3-9
3m-9
Answer explanation
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
以下哪一項表示「w除以6加上20」?
Answer explanation
除法大多會用分數的方式表示。
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
請用代數式表示。
5q-4
5q+4
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
以下哪一項表示「8加上x等於12」?
12-8=x
12-x=8
8+x =12
8+12=x
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