math

math

7th Grade

10 Qs

quiz-placeholder

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math

math

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

施家俊 施家俊

Used 2+ times

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10 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

你是誰?

Evaluate responses using AI:

OFF

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

下列何者正確?

A. 6x(-5)=(-6)x5

B. 6x5=-(-6)x(-5)

C. (-6)x5=-[6x(-5)]

D. (-6)x(-5)=-(6x5)

3.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

最大的負整數和最小的正整數的乘積為何?

A. 0

B. 1

C. -1

無法求得

4.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

計算(-137)x99值為何?

A. -13573

B. -13563

C. -13663

D. -14563

5.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

七年甲班有學生30人,其中男生有18人,如果男生平均

體重為48公斤,女生平均體重為43,則全班30人的平均體重為多少?

A. 48

B. 45

C. 46

D. 43

6.

FILL IN THE BLANK QUESTION

1 min • 10 pts

(-2)X(-5)X10 = ?

7.

FILL IN THE BLANK QUESTION

1 min • 10 pts

(-32) ÷ 4 X(-8) = ?

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