Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
39 * 4 * 61 * 18 * 4 * 49 * 7 * 30
1
+,−,=,×,−,+,÷
2
+,−,=,×,−,×,+
3
×,−,=, ×,−,÷,+
4
=,−,+,×,−,÷,−
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.