Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation.
41 * 9 * 14 * 20 * 18 * 10 * 2 * 1
1
- × + = + ÷ ×
2
+ - × + = + ÷
3
× + ÷ = × ÷ -
4
× - × = × ÷ -
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation.
41 * 9 * 14 * 20 * 18 * 10 * 2 * 1