國中 解答

直角三角形的外心在三角形哪個位置?

任一三角形的三條中線會相交於一點,此點稱為三角形的

任一三角形的三內角角平分線會相交於一點,此點稱為三角形的

任一三角形的三邊中垂線會相交於一點,此點稱為三角形的

My grandma does not want to live with us in Taipei. She enjoys her life in the a lot.

Mom will our little sister like a doll for her fourth birthday today.

Kathy: How was your two-day to India? Mia: It was great. I hope to visit it again someday.

My dad NT$2,000 for a tie, and my mom thought it was too expensive.

It’s raining. May I an umbrella from you?

Cindy hurt her foot on her way to work this morning. , she took a taxi to work because she did not want to be late again.

There’s a new restaurant the corner of Fu-Xing Road and Apple Street.

We are going to a bus to Taipei, but we’re coming back home MRT.

Johnny: How much did the coffee you? Jay: I NT$90 it.

Henry: What are we going to do this afternoon? Sunny: _____________________.

因式分解下列各式 利用平方根概念得 x-4=±2 解得 x=6,2 (1) x2-5x-6=【  】 請問誰的解題過程正確? (2) 3x2+8x-35=【  】

若一元二次方程式 x2+ax+b=0 的兩根為 1 和-6 ,則方程式 x2-ax+b=0 的兩根為何?

平行四邊形底邊的長為(x+2),高為(x-1), 2. 下列哪一個一元二次方程式沒有實數解? 若面積為 18,則依平行四邊形面積公式,可列得一

下列選項中,何者是方程式 47-x ÷ 8=6的解法?

下列為明芳解一元一次方程式4x-5= x+8的過程,則他在哪一個步驟 開始發生錯誤? 步驟一:4x-x-5=8 步驟二:3x-5=8 步驟三:3x=8+5 步驟四:x=

x = 3是下列哪一個一元一次方程式的解?

下列因式分解的結果何者錯誤?

在直角三角形ABC中,若,則下列哪一個角為直角?

In the living room. 25.

It is my cup. Please don’t it.