Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
7 * 2 * 5 * 4 * 2 * 15
1
÷, -, +, ×, =
2
-, ÷, +, ×, =
3
+, ×, -, ÷, =
4
×, -, +, ÷, =
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
7 * 2 * 5 * 4 * 2 * 15