$$\frac{ 8 }{ 8 } + \frac{ 8 }{ 8 } + \frac{ 8 }{ 8 } - \frac{ 9 }{ 9 } + \frac{ 9 }{ 9 } + \frac{ 9 }{ 9 }$$
$4$
$$1+\frac{8}{8}+\frac{8}{8}-\frac{9}{9}+\frac{9}{9}+\frac{9}{9}$$
$$1+1+\frac{8}{8}-\frac{9}{9}+\frac{9}{9}+\frac{9}{9}$$
$$1+1+1-\frac{9}{9}+\frac{9}{9}+\frac{9}{9}$$
$$1+1+1-1+\frac{9}{9}+\frac{9}{9}$$
$$1+1+1-1+1+\frac{9}{9}$$
$$1+1+1-1+1+1$$
$$2+1-1+1+1$$
$$3-1+1+1$$
$$2+1+1$$
$$3+1$$
$$4$$
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$2^{2}$
