Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
7 * 10 * 280 * 2 * 10 * 80
1
×, =, ÷, +, −
2
=, ÷, ×, +, −
3
×, +, =, ÷, −
4
−, +, ×, ÷, =
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
7 * 10 * 280 * 2 * 10 * 80