$9.7\times 9.8$
7 4/7 x 47 11/12
10^2=5^2 + x^2
5/6-7/12
$103\times 98$
H(a)wk=2 $^{a}$
H(a)=2 $^{a}$
2z^2-iz+2i=0
803-315
(x^2)-0.000 = x*x
