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七下一(2) 二元一次方程式的解、列式

Authored by 信喆 曾

Mathematics

7th Grade

Used 13+ times

七下一(2) 二元一次方程式的解、列式
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10 questions

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1.

WORD CLOUD QUESTION

3 mins • Ungraded

覺得自己第一次複習考考得如何?

需要修正讀書方向嗎?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

列式:

x 的 5 倍加上 y 的 3 倍

5x+3y

5y+3x

5+3

8xy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

阿吉買了2杯x元的豆漿和3個y元和5元的袋子的飯糰,共花了多少錢?

2x+3y

2x+3y+5

10

3x+2y+5

4.

CATEGORIZE QUESTION

3 mins • 1 pt

這些是哪個一元二次方程式的解?

Groups:

(a) x+y=10

,

(b) x-y=1

x=0, y=10

x=5, y=5

x=1, y=0

x=10, y=0

x=0, y=-1

x=5, y=4

x=-1, y=11

x=20, y=19

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪個是二元一次方程式 2x-y=5 的解?

x=3, y=1

x=2, y=2

x=3, y=2

x=0, y=0

6.

DROPDOWN QUESTION

1 min • 1 pt

二元一次方程式 x+y=7

若 x=7, y=​ ​ (a)  

若 x=0, y=​ (b)   ​;

若 x=10, y=​ (c)   ​;​

若 x=-2, y=​​ (d)  

0
7
-3
9
-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求解方程: 3x + 6y = 12, 當 x = 2 時, y 的值是多少?

y = 4

y = 1

y = 2

y = 3

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