
华中有奖问答 【初一】
Authored by Shin Tuition
Other
7th Grade
Used 4+ times

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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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