國中・其他 解答

Zac, you should spend less time video games. It hurts your sights.

Mr. Lin wants his daughter to be a doctor a teacher when she grows up. In his eyes, both the careers are great for her.

The music is too loud. I can hear the phone ring my mother call me.

Most of Jeff’s best books when he was sick and poor.

Jill five kilograms over the past three months. She looks much thinner now.

Josh has been in Japan since last year, and his father.

Elaine didn’t go to the concert yesterday, and Luke.

Cathy is the shortest girl in her class, so her seat is on the first .

Tina and Josh plan to next month. We are all surprised and happy that they will become husband and wife!

Hank’s parents are very busy, and they don’t have time to have dinner with him. Hank always feels every night.

若 1 枝原子筆比 1 枝鉛筆貴 2 元,且 8 枝鉛筆和 5 枝原子筆共需花費 140 元,則每枝鉛筆多少 元?

附表為某照相館的價目表,今逢週年慶,底片沖洗與照片沖洗皆打九折。明澤帶了一卷底片去沖 洗規格(3×5)的照片若干張,打折後共付了 189 元,請問明澤洗了多少張照片?

已知 x=3 是方程式 mx + 1 = m − 9 的解,則 m=?

某電信業者網內通話計費方式如下:前 3 分鐘免費,超過一分鐘,每分鐘 a 元。若小君與好友網 內通話聊了正好 15 分鐘整,且已知小君需為這通電話付出 42 元,則超過一分鐘,每分鐘要付多 少元?

下列為小程化簡式子 − 的過程: 6 4 6 x − 14 15x − 27 6 x − 14 − 15x − 27 步驟一:將式子通分,得 − ,步驟二:合併得 12 12 12 − 9 x − 41 步驟三:合併同類項,化簡為 ,下列對於小程化簡式子的看法何者正確? 12

筱郁的作業簿不小心被弟弟的弄髒了(如右圖所示),已知在算式中,x 的前面還有一個數字,請問 被污漬掩蓋的數字是多少? x 13 算式 3

下列有四個敘述,哪一個可以列出 2 x + 1 的式子?

化簡 4(3x − 2) − 3(2 x + 4) =?

小明和小威玩數學遊戲,以下是 2 人的對話:小明說:「你在心中默想一個數字,將這個數字先加 2,再乘以 3,最後再減 4,則結果為何?」小威回答:「結果是 11」根據以上的對話,試求小威 心中所默想的數字為何?

郁萍某次數學小考成績是曉婷的 2 倍少 15 分,如果曉婷的數學小考成績是 a 分,則郁萍的數學小 考成績是多少分?(以含 a 的式子表示) a + 15 a - 15

下列關於一元一次式的化簡,正確的有哪些? 2x 甲: 3 × x = 3x ;乙: 2 x ÷ 7 = ;丙: 7 x − x = 7 ;丁: 2 x + 3 = 5x 7

解一元一次方程式 4 x + 5 = 7 x + 17 ,則 x=?

如果一個長方形的長是 3x-1,寬是 5,那麼面積該以下列何者表示?

當 x=5 時,4-(9-2x)的值等於多少?