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华中有奖问答 【初一】

Authored by Shin Tuition

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7th Grade

Used 4+ times

华中有奖问答 【初一】
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30 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

计算 [81÷9+(210-49÷7)]+20。

52

112

183

212

232

2.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

154-56÷7+7×2=?

14

24

28

132

160

3.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

一辆火车以每小时85公里的时速行驶,可在4个小时后抵达目的地。若火车要提前40分钟抵达同样的目的地,则行驶速度须是多少?

95 km/h

100 km/h

102 km/h

105 km/h

110 km/h

4.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

在41,43,49,51,53,57,77,87这8个数中,有哪些是质数?

41,49,57

43,51,87

41,51,53

41,43,53

57,77,87

5.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

求6,12及21的最小公倍数(L.C.M)。

84

96

168

252

504

6.

FILL IN THE BLANKS QUESTION

5 mins • 10 pts

有一盒巧克力,若平分给12,15,18或24位小孩,结果都会剩下10颗。问这盒巧克力最少有几颗?

(a)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

(-1)49 × (-3)3 +(-7)2 = ?

-76

-32

-22

22

76

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