x2 |
a2 |
y2 |
b2 |
| ||
2 |
| ||
2 |
| ||
3 |
3 |
4 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
| ||
2 |
| ||
3 |
36(k+
| ||
3(k2+
|
1 |
k |
3 |
4a2 |
3 |
4b2 |
| ||
3 |
c |
a |
| ||
3 |
2 |
3 |
x2 |
3 |
ab | ||
|
| ||
2 |
x2 |
3 |
a2b2 |
k2a2+b2 |
3 |
3k2+1 |
| ||
|
| ||
|
1 |
k |
| ||
|
| ||
|
ab | ||
|
| ||
2 |
| ||
|
| ||
|
| ||
|
| ||
|
(k2+1)2×12 |
(3k2+1)(3+k2) |
3(k2+1) |
3k2+1 |
3(k2+1) |
3+k2 |
OS2•OP2 |
SP2 |
3(k2+1) |
3k2+1 |
3(k2+1) |
3+k2 |
(k2+1)2×12 |
(3k2+1)(3+k2) |
3 |
4 |
| ||
2 |
| ||
2 |
3 |
x2 |
3 |
a2b2 |
k2a2+b2 |
3 |
3k2+1 |
3(k2+1) |
3k2+1 |
3(k2+1) |
3+k2 |
3(k2+1) |
3k2+1 |
3(k2+1) |
3+k2 |
3(k2+1) |
3k2+1 |
3(k2+1) |
3+k2 |
36(k+
| ||
3(k2+
|
1 |
k |
1 |
k2 |
36(k+
| ||
3(k2+
|
36t2 |
3t2+4 |
36 | ||
3+
|
4 |
t2 |
36 | ||
3+
|
3 |
3 |
3 |
科目:高中数学 来源: 题型:
分组 | 频数 | 频率 |
[60,70] | ||
[70,80] | ||
[80,90] | ||
[90.100] | ||
合计 | 50 | 1 |
查看答案和解析>>
科目:高中数学 来源: 题型:
A、①、②、③ |
B、②、③、④ |
C、①、③、④ |
D、②、④、③ |
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com