A + B = 9
2A + 3B = 25
请问 B的数字是什么?
数学速算小测试1
Quiz
•
Mathematics
•
4th Grade
•
Medium
TAW Moe
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A + B = 9
2A + 3B = 25
请问 B的数字是什么?
2
7
9
18
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
用数字1, 2,3, 可以组成多少个没有重复的3位数?
4
5
6
8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一根绳子长100米,第一次用去15米,第二次用去50米,这根绳子比原来少了几米?
15
50
35
65
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小明今年8岁,4年前哥哥的岁数是他的3倍。 哥哥现在几岁?
8
12
16
24
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
假设20只兔子可换2只羊, 9只羊可换3头猪, 8头猪可换2头牛, 那么1头牛可换多少只兔子?
80
100
120
160
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小李问小明, 今天是16日,星期一, 那这个月的31日是星期几?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鸡兔同笼,一共有37个头,98条腿,兔有多少只?
12
25
15
22
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