運算式 20: left parenthesis, "R" minus "E" Subscript, 2 , Baseline , right parenthesis squared plus "E" squared equals left parenthesis, 11 plus 5 , right parenthesis squaredR−E22+E21=11+52
20
運算式 21: "E" Subscript, 2 , Baseline equals "R" minus StartRoot, 16 squared minus "E" squared , EndRootE2=R−162−E21
21
Graphs
對學生隱藏此資料夾。
22
運算式 23: "y" less than 30y<30
23
運算式 24: polygon left parenthesis, "A" , "B" , "E" , right parenthesispolygonA,B,E
24
運算式 25: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisC1+R1cost,C2+R1sint
25
運算式 26: polygon left parenthesis, "A" , "C" , "A" , "B" , "E" , "A" , right parenthesispolygonA,C,A,B,E,A
26
運算式 27: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
27
運算式 28: left parenthesis, "C" Subscript, 1 , Baseline plus "t" "R" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesisC1+tR1,C2
