盒子里有12个小球,其中红球有7个,剩下的是蓝球,摸到蓝球的可能性是

四年级下第6周早测

Quiz
•
Mathematics
•
4th Grade
•
Medium
Stone Y
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7/12
12/7
5/12
12/5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
盒子里有11个小球,5个是红色的,剩下的是黄色的,摸到黄色的可能性是摸到红色的可能性的______
5/6
6/5
6/11
5/11
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
把4米长的绳子平均截成7段,每段
长 米
长 米
占全长的
占全长的
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
四年级某班共有25人,其中 的人参观过奥体中心,有多少人还没参观过奥体中心?
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
一个角比直角大,它是
钝角
周角
平角
以上都有可能
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
已知 是一个假分数,且能化成整数,那么a是b的______。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
小时是________分钟。
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