
1219 3-1 練習
Authored by 許菡容 許菡容
Mathematics
7th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小寶的爺爺年齡是小寶的 2 倍多 22 歲,若小寶是 x 歲,則小寶的爺爺的年齡該如何表示?
2x-22
2x+22
(x+22)2
(x+22)/ 2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若 x=-4 時,-3x+5 的值為多少?
7
-7
17
-17
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若 x=-7,則 -3/4(1-5x)=?
-28
-27
-26
-25
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若庭瑋口袋裡有 x 個拾元硬幣和 6 個伍元硬幣,則庭瑋口袋中共有多少元?
x+6
16x
10x+30
6x
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設 x 表任意一奇數,則下列何者必為偶數?
3x
x+5
2x+3
3x+8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小寶爺爺的年齡比小寶的爸爸多了 40 歲,而小寶爸爸的年齡是小寶年齡的 2 倍,若小寶今年是 x 歲,則爺爺的年紀該如何表示?
x+40
(x+40)×2
2x+40
2×40+x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
可麗餅屋的培根可麗餅每個 x 元,紅豆可麗餅比培根可麗餅便宜 5 元,若小美買了 5 個培根和 4 個紅豆的可麗餅,則她須付多少元?
9x-20
9x+20
9x-25
9x+25
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