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中二数学の連立方程式

Authored by ルプスレギナ ベータ

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中二数学の連立方程式
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の連立方程式を解いてください: 2x + 3y = 12, x - y = 1

x = 1, y = 3

x = 2, y = 3

x = 4, y = 0

x = 3, y = 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

文字式 a, b, c に対して、a + b - c = 5 のとき、c を求めなさい。

c = a + b + 5

c = a + b - 5

c = a - b + 5

c = 5 - a - b

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の連立方程式をグラフで表してください: 3x + 4y = 24, 2x - y = 3

The graphs of the equations intersect at the point (0, 6).

The graphs of the equations intersect at the point (3, 3).

The graphs of the equations intersect at the point (4, 2).

The graphs of the equations intersect at the point (6, 0).

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x + 2y = 10 と 3x - y = 5 の解を求めなさい。

(5, 2.5)

(0, 5)

(10, 0)

(20/7, 25/7)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

文字式の展開: (x + 2)(x - 3) を展開してください。

x^2 - x - 6

2x - 1

x^2 - 5

x^2 + x + 6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

次の連立方程式を代入法で解いてください: 4x + y = 20, 2x - 3y = -6

x = 3, y = 11

x = 10, y = 0

x = 5, y = 0

x = 27/7, y = 32/7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x + y = 7 と x - y = 3 の解を求めなさい。

(5, 2)

(6, 1)

(4, 3)

(3, 4)

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