運算式 16: distance left parenthesis, "A" , "E" , right parenthesis plus distance left parenthesis, "B" , "G" , right parenthesisdistanceA,E+distanceB,G
equals=
5.2 9 1 5 0 2 6 2 2 1 35.29150262213
16
運算式 17: StartRoot, 28 , EndRoot28
equals=
5.2 9 1 5 0 2 6 2 2 1 35.29150262213
17
Area of triangle
18
運算式 19: left parenthesis, StartFraction, distance left parenthesis, "C" , "E" , right parenthesis Over 2 , EndFraction , right parenthesis squared times StartRoot, 3 , EndRootdistanceC,E22·3
equals=
1.0 3 1 7 7 2 4 1 2 3 31.03177241233
19
運算式 20: StartFraction, left parenthesis, 7 alpha squared plus 6 alpha plus 12 , right parenthesis Over 25 , EndFraction StartRoot, 3 , EndRoot7α2+6α+12253
