2上 4-3 應用問題
Quiz
•
Mathematics
•
8th Grade
•
Medium
康軒數位 康軒數位
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設一直角三角形有一股長為24公分,斜邊長比另一股長的3倍多4公分,則此三角形的面積為多少平方公分?
300
250
175
84
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
范老師的生日中,月份與日期的和為31,且月份的平方與日期的和為43,則下列敘述何者正確?
范老師是5月生日
范老師是21日生日
范老師是4月生日
范老師是18日生日
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小傑用長為x公分的竹筷去量一張長方形的紙,發現紙的長度比竹筷的兩倍長少1公分,寬比竹筷長多2公分,已知紙的面積為3000平方公分,依題意下列哪一個一元二次方程式是正確的?
(x-2)(2x+1)=3000
(x+2)(2x-1)+3000=0
2x2-3x=3002
2x2+3x-3002=0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
阿俊9年前年齡的平方恰好是11年後的年齡,請問阿俊現年幾歲?
13
14
15
16
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
連續三個正偶數的平方和是200,則此三數的和是多少?
20
22
24
26
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小真家的客廳正在重新裝潢,若地板上鋪正方形紅磚,需要鋪200塊,如果鋪正方形水泥磚,只需要鋪128塊,而且水泥磚的邊長比紅磚多一公寸,則每塊紅磚的面積是多少平方公寸?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將一正三角形之一邊長增加10,另一邊長減少10,第三邊長不變,則成一直角三角形,請問原三角形之邊長為何?
40
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70
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