翰翰每天固定花 x 元,則(1000-10x)元可以代表下列哪一個選項中描述的錢數?

1206 3-1 前測

Quiz
•
Mathematics
•
7th Grade
•
Medium
許菡容 許菡容
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
翰翰 90 天所花的錢數
翰翰 10 天所花的總錢數
翰翰有 1000 元
翰翰原有 1000 元,則經過 10 天後所剩下的錢數
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於式子的化簡,下列何者正確?
-8+x=-8x
3+x=3x
x÷2=2x
5 × x=5x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小寶的撲滿內有 x 個 10 元和 3 個 5 元及 5 個 1 元,則小寶的撲滿內有多少錢?
10x+20
10x+8
x+8
x+20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 x=-2,則 3x-5 的值為多少?
1
-11
11
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
撲滿內有 x 個 10 元和 10 個 5 元,則撲滿內共有多少錢?
x+5
x+50
10x+5
10x+50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
樂透彩券每注 50 元,阿榮下了 x 注後,口袋裡還有 200 元,請問阿榮原有多少元?
50x-200
50x+200
200-50x
(50/x)+200
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者錯誤?
3x+8x=11x
8x-3x=5x
2(3x+8)=6x-8
(10x+6)÷2=5x+3
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