15x²+2xy-y²+8y-84=0, x and y are positive integers. x=__, y=__.
Anonymous Quiz
9%
3, 15
45%
3, 17
24%
4, 19
21%
4, 21
Salesperson: Can I help you?
Customer: Yes, I’m looking for a sweater — in a size ______.
Customer: Yes, I’m looking for a sweater — in a size ______.
Anonymous Quiz
20%
middle
71%
medium
10%
moderate
Execute the following Python code,
a = “python520”
b = eval(a[6:-1]) b equals ___.
a = “python520”
b = eval(a[6:-1]) b equals ___.
Anonymous Quiz
11%
n520
46%
520
11%
025
32%
52
There are some integers n so that pow(n³+1, 0.5) is an integer. How many integers n could be?
Anonymous Quiz
25%
2
44%
3
21%
4
10%
5
Forwarded from LemonHX.eth
Using the linear approximation to f(x) = √x at a = 9, estimate √9.3.
Anonymous Quiz
11%
3
20%
3.1
63%
3.05
5%
0.3
Forwarded from Milkice's 生而喵喵 (Milkice | ?)
C语言中，设i为int类型变量，以下语句等价于 if(i != 0) 的是（过于简单，直接选）
Anonymous Quiz
5%
if(i == 0)
31%
if(!i)
57%
if(i)
6%
if(i | 1)