This article mainly introduces the application examples of html superscript and subscript. It feels very practical. Friends in need can refer to it
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>web</title> </head> <body> A<SUB>11</SUB>A<SUB>12</SUB>...A<SUB>1n</SUB></br> a<SUP>2</SUP>+b<SUP>2</SUP>=c<SUP>2</SUP></br> B<SUP>a</SUP><SUP>b</SUP></br> C<SUP>a<SUP>b</SUP></SUP></br> C<SUP>b<SUB>1</SUB></SUP></br> SO<SUB>4</SUB><SUP style="margin-left:-5px">-2</SUP></br> 2HCO<SUB>3</SUB><SUP style="margin-left:-5px">-</SUP> + Ca<SUP>2</SUP><SUP>+</SUP> + 2OH<SUP>-</SUP> ＝ CaCO<SUB>3</SUB>↓ + H<SUB>2</SUB>O + CO<SUB>3</SUB><SUP style="margin-left:-5px">2-</SUP></br> </body> </html>
Effect:
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