17
0.0 0 0 1
2
18
negative 2
negative 0.0 0 0 1
19
"z" Subscript, "o" , Baseline left parenthesis, "v" Subscript, "l" "b" , Baseline , right parenthesis
"z" Subscript, "o" , Baseline left parenthesis, "v" Subscript, "u" "b" , Baseline , right parenthesis
20
21
22
23
equals
24
equals
25
26
equals
27
equals
28
29
30
equals
31
32
33
34
35
技术支持
技术支持
新建空白图表
示例