未知數 01測驗
Quiz
•
Mathematics
•
5th Grade
•
Practice Problem
•
Medium
李進德 李進德
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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
文具店舉辦週年慶,福氣包每個若干元,丁丁買了一組水彩花了278元,又買了一個福氣包,共要付幾元?用x表示福氣包的價錢。
(278+x)元
(278 ÷ x)元
(278-x)元
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
爺爺的年齡比小華多58歲,當小華幾歲時,爺爺的年齡是78歲?用x表示未知數,並列出算式。
x+58=78
x – 58=78
x ÷ 58=78
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
小芳的年齡比奶奶少53歲,當奶奶幾歲時,小芳的年齡是22歲?用y表示未知數,並列出算式。
y-53=22
y ÷ 53=22
y+ 53=22
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
車上原有乘客18人,再上來幾人後,就有34人?用x表示未知數,並列出算式。
18 + x=34
18 ÷ x=34
18 - x=34
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
箱子裡原有276件運動褲,賣出幾件後,還剩下140件?用y表示未知數,並列出算式。
276-y=140
276 × y=140
276 ÷ y=140
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
依題意用未知數列出算式:
1小時工讀費若干元,阿泰工讀17小時,共領了1785元。
假設1小時工讀費有x元
x × 17=1785
假設1小時工讀費有x元
x + 17=1785
假設1小時工讀費有x元
x - 17=1785
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
依題意用未知數列出算式:
若干個太陽餅,每8個裝1盒,可裝27盒。
假設有x個太陽餅
x ÷ 8=27
假設有x個太陽餅
x × 8=27
假設有x個太陽餅
x + 8=27
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