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4. 下列何者正確?(A) 7<√56<8 (B) 7<√48<8 (C) 7<√27<8 (D) 7<√15<8。
問題詳情
4. 下列何者正確?
(A) 7<
參考答案
答案:A
難度:
計算中
-1
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林炫風
】評論
7=√498=√64
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3. 下列何者為同類項?(A) (B) 4 和 4y (C) 5xy 和 5ab (D) 2x2y 和 5x2y。
下一篇 :
5. 若多項式(a-3)x2+(b+1)x+c-2是一個零多項式,則a、b、c三個數的條件為何?(A)a=3,b=1,c=2 (B) a≠3,b=1,c=2(C) a=3,b=-1,c=2 (D) a
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6.一個x的二次多項式與x的三次多項式,相減後的結果為x的n次多項式,則n=?(A)-1 (B)1 (C)3 (D)無法確定
7.假設小英與韓魚分別寫出一個x的多項式,小英的多項式,各項係數總和是5;韓魚只知自己的多項式最高次數是三,算不出各項係數總和。後來小英把兩個多項式相加,所得多項式的各項係數總和是2,則韓魚所寫的多項
8.判斷下列哪一個是x的多項式?(A) (B)3y2-y+2 (C)6x2-8x=0 (D)|x+3|1
9.在下列式子中,何者的x項係數為0? (A)x (B)-x2+x-1 (C)x2+3 (D)x2+x
10.滿足9≦√x<16的正整數x共有幾個?(A)176 (B)175 (C)174 (D)173
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5. They _______ having dinner at that restaurant because the food there is delicious.(A) enjoy(B) pl
6. I would like to ______ to the movie with you.(A) go(B) went(C) going(D) to go
7. Which sentence is right?(A) New Year’s Day is January 1.(B) It’s hard for me to look at comics on
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【題組】2. (A) digs(B) dig(C) is digging(D) was digging
【題組】3. (A) did; dig(B) will; dig(C)are; digging(D) were; digging
【題組】4. (A)burry(B) burries(C) burrying(D) to burry
【題組】5. (A)Do; need(B) Can; need(C) Did; need(D) Were; needing
【題組】7. (A) flew(B) ran(C) flies (D) runs
【題組】8. (A) Ask a little(B) Use your time well(C) Enjoy the day(D) Got up early
【題組】9. (A) learned a lot(B) a lot of learn(C) learn many(D) learning so much
【題組】2.Justin can’t eat too much bread or rice. Besides, he brings candy with him. He has to eat some
【題組】3. Which is true about Donna?(A) She is 63 kilograms.(B) She seldom exercises.(C) She is 153 cm
【題組】5. Why did Dolly change her job?(A) Reporters are too busy.(B) Reporters can make more money.(C)
【題組】6. What can we learn from the dialogue?(A) Soldiers are easy to get new jobs because they don’t