37 * 99
=37 * (100-1)
=37 * 100 - 37 *1
= 3700 - 37
=3663
\(37.99\)
\(=37.\left(100-1\right)\)
\(=37.100-37\)
\(=3700-37\)
\(=3663\)
\(37.99=37.\left(100-1\right)=37.100-37=3700-37=3663\)
\(37.99=37.\left(100-1\right)\)
\(=37.100-37.1\)
\(=3700-37\)
\(=3663\)