For the following questions answer them individually
436.56 - 625.43 + 312.55 = ?
4% of 250 $$ \times $$? % of 140 = 84
$$4545 \div 50 \div 5 = ?$$
$$5 \times ? = 2637 \div 3$$
$$1.5 \times (52 + 2.5) = ?$$
$$(6 \times 6 \times 6 \times 6 \times 6 \times 6)^{4} \times (6 \times 6 \times 6 \times 6)^{5} \div (6 \times 6)^{7} = (36)^{?}$$
$$8.2 \times 4.4 \times 5.5 = ?$$
17% of 250 +? = 108
$$45 \div 1.5 - 0.5 = ?$$
12.8% of 715 = ?