$$4-3 \times [-2+5-3 \times (-2-3 \div 3)-10 \div 2+3]$$
$-26$
$$4-3\left(-2+5-3\left(-2-1\right)-\frac{10}{2}+3\right)$$
$$4-3\left(3-3\left(-2-1\right)-\frac{10}{2}+3\right)$$
$$4-3\left(3-3\left(-3\right)-\frac{10}{2}+3\right)$$
$$4-3\left(3-\left(-9\right)-\frac{10}{2}+3\right)$$
$$4-3\left(3+9-\frac{10}{2}+3\right)$$
$$4-3\left(12-\frac{10}{2}+3\right)$$
$$4-3\left(12-5+3\right)$$
$$4-3\left(7+3\right)$$
$$4-3\times 10$$
$$4-30$$
$$-26$$
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