

一元一次方程式應用01
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
李佩真 李佩真
Used 2+ times
FREE Resource
1 Slide • 6 Questions
1
一元一次方程式
2
Multiple Choice
連續三個奇數,若最大的數為x ,則最小的數為?
x+4
x-4
x+2
x+6
x-6
3
Multiple Select
小明的媽媽幫他在百貨公司買了一件漂亮的運動外套。
因為百貨公司過年大特賣,所以每件外套都打七折。
請問,若原價為 x 元,則媽媽花多少元買了這件外套?(多選)
x×0.7
x×70%
x×10070
x×107
x×7
4
Reorder
請按順序排列出我們做應用問題的步驟
令未知數
(令OOO為 x )
列出
一元一次方程式
解出 x=?
(解方程式)
寫答案
5
Multiple Choice
文中,1盒蛋比1盒豆腐貴60元,下列敘述何者正確?
令蛋為X元
則豆腐為(X+60)元
令豆腐為X元
則蛋為(X+60)元
令豆腐和蛋都是X元
令豆腐+蛋為X元
6
Multiple Choice
承上題,令豆腐為X元,蛋為(X+60)元,
則文中又說,曉君拿了1盒蛋和4盒豆腐共付210元,
請問下列列式何者正確?
X+4(X+60)=210
(X+60)+4X=210
(X+60)+4=210X
X+(X+60)=210
7
Draw
請在空白處計算
(X+60)+4X=210
求出X後,寫出蛋和豆腐一盒和多少元?
一元一次方程式
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