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도담도담 생각 다지기

Authored by 최상민 최상민

Mathematics

7th Grade

Used 2+ times

도담도담 생각 다지기
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18 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

다음 보기 중 방정식을 모두 찾으시오.

ㄱ. 2x+4=6

ㄴ. x+2x-3x

ㄷ. 7>3-2

ㄹ. x/2+3=4

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

다음 보기 중 항등식을 모두 찾으시오.

ㄱ. 2x-x=x

ㄴ. 2x-2=0

ㄷ. -x-2=-(x+2)

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

a=b일 때, 다음 중 옳은 것을 모두 고르시오.

a+2=b+2

a-5=b+5

2a-3=2b-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

다음 방정식에서 밑줄 친 항을 이항하시오. (1) 3x-6=3

3x=3+6

3x=3-6

3x=6-3

3x=6+3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

다음 방정식에서 밑줄 친 항을 이항하시오. (2) 4x=-x+5

4x+x=5

4x=5-x

4x-5=-x

4x=-x-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

다음 방정식에서 밑줄 친 항을 이항하시오. (3) x-1=2x+3

x-2x=3+1

x+2x=3-1

x-2x=3-1

x+2x=3+1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

다음 방정식에서 밑줄 친 항을 이항하시오. (4) 3x+2=4-x

3x+x=4-2

3x=4-x-2

3x+2+x=4

3x=4+x-2

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