Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
21 * 4 * 156 * 13 * 11 = 83
1
−, ÷, ×, +
2
×, +, ÷, −
3
×, −, ÷, +
4
+, ÷, −, ×
Select the correct combination of mathematical signs to replace the * signs and balance the given equation.