Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
30 * 6 * 3 * 15 = 0
$\div$, $-$, $\times$
$-$, $\div$, $\times$
$\times$, $-$, $\div$
$\div$, $\times$, $-$
Solution
30 $\div$ 6 $\times$ 3 $-$ 15 = 0
5 $\times$ 3 $-$ 15 = 0
15 $-$ 15 = 0