$$150=55\times\frac{5}{18}\times5$$
$\text{false}$
$$150=\frac{55\times 5}{18}\times 5$$
$$150=\frac{275}{18}\times 5$$
$$150=\frac{275\times 5}{18}$$
$$150=\frac{1375}{18}$$
$$\frac{2700}{18}=\frac{1375}{18}$$
$$\text{false}$$
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