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25May溫習

Authored by Ms Lam

Mathematics

4th Grade

Used 5+ times

25May溫習
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16 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A最大的因數是35 ,A最小的倍數是多少?

Answer explanation

A的最大因數是35,這意味著A必須是35的倍數。

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

20X8x5x6=2x24xQ , Q=?

Answer explanation

To solve for Q, simplify the left side: 20x8x5x6 = 4800. The right side becomes 2x24xQ = 48Q. Setting them equal gives 4800 = 48Q. Dividing both sides by 48 results in Q = 100.

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

求24 和36的HCF

Answer explanation

24和36的最大公约数(HCF)是12,因为12是它们的共同因子中最大的一个。因此,正确答案是12。

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

爸爸下午11時35分乘小巴回家,車程45分鐘,他下車的時間是多少? (用24 小時制表示答案)

Answer explanation

爸爸下午11時35分乘小巴,車程45分鐘。11:35 + 0:45 = 12:20,轉為24小時制為00:20,因此正確答案是00:20。

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

一個菱形可以分割成多少個相等的直角三角形?

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

12和18的公倍數,哪一個最接近150?

Answer explanation

12和18的公倍數包括144、216等。144是最接近150的公倍數,因此答案是144。

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

最大的兩位合成數和最小的兩位質數相差是多少?

Answer explanation

最大的兩位合成數是99,最小的兩位質數是11。99 - 11 = 88,但題目要求的是相差的數字,因為99和11的差是88。

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