Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
37 * 3 * 21 * 79 * 18 * 4 * 19
1
−, −, =, ×, +, ÷
2
×, +, −, =, ×, −
3
+, ×, −, =, +, −
4
=, −, ×, +, −, ×
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.