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國中數學一上3-1

Authored by 康軒 國中

Education

6th - 8th Grade

10 Questions

Used 12+ times

國中數學一上3-1
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列敘述何者正確?

3a=3+a
3a=a×a×a
3a=a+a+a
3a=3÷a

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

五個連續整數,若設最中間的數為x,則最大的數為何?

x+4
x+3
2x
x+2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知阿呆和妹妹的年齡分別是19歲和13歲,當妹妹x歲時,阿呆多少歲?

x+6
x-6
x×6
x÷6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

等腰三角形兩腰長各為y公分,底邊長7公分,則此等腰三角形的周長為多少公分?

7y公分
(7+y)公分
(7+2×y)公分
(14+y)公分

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

設x=5,則下列哪一個算式的值最大?

42-2x
3x+12
5x
2x-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列各算式的化簡,哪些是正確的?甲:3x-x=3;乙:5x+2=7x;丙:4x×2=8x

甲、乙
乙、丙

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