表达式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
表达式17: StartRoot, 28 , EndRoot28
equals=
5.2 9 1 5 0 2 6 2 2 1 35.29150262213
17
Area of triangle
18
表达式19: left parenthesis, StartFraction, distance left parenthesis, "C" , "E" , right parenthesis Over 2 , EndFraction , right parenthesis squared times StartRoot, 3 , EndRootdistanceC,E22·3
equals=
0.7 4 7 2 9 6 7 8 5 0 2 70.747296785027
19
表达式20: StartFraction, left parenthesis, 7 alpha squared plus 6 alpha plus 12 , right parenthesis Over 25 , EndFraction StartRoot, 3 , EndRoot7α2+6α+12253
