國七下4-2
Authored by hungju 紀
Mathematics
7th - 9th Grade
Used 4+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如果a<b，那麼下列哪一個敘述是錯的？
a＋3<b＋3
3a<3b
a＋(－3 )>b＋(－3 )
－3a＞－3b
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
若 ( a , b ) 在第二象限，則：當 ax ≤ b 時，下列哪一個選項正確？
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
解一元一次不等式：5x＋1＞3x＋9
X>2
X>4
X>3
X>1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
解一元一次不等式：4－2x ≤ 3 ( x－7 )
x ≥ 6
x ≥ 4
x ≥ 5
x ≥ 3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
解一元一次不等式
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
發哥想要批發每顆 25 元的釋迦來賣，打算以每顆 40 元的價格賣出，而運送的過程中會有 10% 的釋迦損傷不能賣。若發哥預計售完後要賺 5000 元以上，假設他最少要批發x顆釋迦, 則依題意可列式為：
0.9x×40－x ≥ 5000
0.9x×40－25x ≥ 5000
40x－25x ≥ 5000
0.9x×40－25x ≦ 5000
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
發哥想要批發每顆 25 元的釋迦來賣，打算以每顆 40 元的價格賣出，而運送的過程中會有 10% 的釋迦損傷不能賣。若發哥預計售完後要賺 5000 元以上，假設他最少要批發多少顆釋迦才行？
454顆
455顆
410顆
440顆
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