
math
Authored by Lijing Lin
Mathematics
1st - 5th Grade
Used 1+ times

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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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