Expression 3: "a" equals left bracket, 1 , 2 , ...2 1 , right bracketa=1,2,...21
equals=
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
21 element list
3
Expression 4: left parenthesis, "x" plus StartRoot, 2 , EndRoot "a" minus "b" , right parenthesis squared plus left parenthesis, "y" minus StartRoot, 2 , EndRoot "a" plus "b" , right parenthesis squared equals left parenthesis, "a" , right parenthesis squaredx+2a−b2+y−2a+b2=a2
4
Expression 5: left parenthesis, "x" minus StartRoot, 2 , EndRoot "a" plus "b" , right parenthesis squared plus left parenthesis, "y" minus StartRoot, 2 , EndRoot "a" plus "b" , right parenthesis squared equals left parenthesis, "a" , right parenthesis squaredx−2a+b2+y−2a+b2=a2