equals
20
equals
21
22
equals
23
equals
24
equals
25
Graphs
26
0
less than or equal to "t" less than or equal to
27
28
29
30
31
32
equals
left parenthesis, 9.4 7 2 , 5.8 5 4 , right parenthesis
33
equals
left parenthesis, 0.6 9 1 , 2.9 2 7 , right parenthesis
34
AS ⋅ DS = FS ⋅ CS
35
Calculations
38
Lengths
46
Sides
53
Points
57
68
技术支持
技术支持
新建空白图表
示例