$$\frac { 126 + 16 \times 7 - 7 \times 2 } { 7 ^ { 2 } - 8 \times 6 + 7 ^ { 2 } } = 1$$
$\text{false}$
$$\frac{126+112-7\times 2}{7^{2}-8\times 6+7^{2}}=1$$
$$\frac{238-7\times 2}{7^{2}-8\times 6+7^{2}}=1$$
$$\frac{238-14}{7^{2}-8\times 6+7^{2}}=1$$
$$\frac{224}{7^{2}-8\times 6+7^{2}}=1$$
$$\frac{224}{49-8\times 6+7^{2}}=1$$
$$\frac{224}{49-48+7^{2}}=1$$
$$\frac{224}{1+7^{2}}=1$$
$$\frac{224}{1+49}=1$$
$$\frac{224}{50}=1$$
$$\frac{112}{25}=1$$
$$\frac{112}{25}=\frac{25}{25}$$
$$\text{false}$$
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