<math xmlns="http://www.w3.org/1998/Math/MathML" data-semantic-type="relseq" data-semantic-role="equality" data-semantic-id="10" d...
-15-(-9)
20-35
2^2X(3^3+1)-5^2
29-35
-8-12
j − 12.1 = 7.53
10-(-3)
x^4 + 3x^2 = 10
-25+25