Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
12 * 4 * 6 * 3 * 511
× + - =
2
+ + + =
3
- - - +
4
+ - + -
Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
12 * 4 * 6 * 3 * 51