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math

Authored by Lijing Lin

Mathematics

1st - 5th Grade

Used 1+ times

math
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

25除5的商与10的和等于多少

5

10.2

15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一口井7米深,有只蜗牛从井底往上爬,白天爬3米,晚上往下坠2米。问蜗牛几天能从井里爬出来?

5

4

6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

某人花19快钱买了个玩具,20快钱卖出去。他觉得不划算,又花21快钱买进,22快钱卖出去。请问它赚了多少钱?

2

3

4

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

有一种细菌,经过1分钟,分裂成2个,再过1分钟,又发生分裂,变成4个。这样,把一个细菌放在瓶子里到充满为止,用了1个小时。如果一开始时,将2个这种细菌放入瓶子里,那么,到充满瓶子需要多长时间?

(a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

用三个3组成一个最大的数?

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

小明拿了一百元去买一个七十五元的东西,但老板却只找了五元给他,为什么?



(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

一张方桌据掉一个角,还有几个角?



(a)  

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