Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
10 * 20 * 26 * 13 * 27 * 86 * 97 * 16 * 2 * 1
1
+, ×, -,÷, =, +, -, -, +
2
×, +, ÷, -, =, +, -, ÷, ×
3
×, ÷, -, +, =, +, ÷, ×, -
4
÷, +, ×, -, =, +, ×, -, ÷