Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 8 * 4 * 321 * 87 * 280
1
+, −, ×, ÷, =
2
×, ÷, +, −, =
3
×, +, −, ÷, =
4
+, ×, −, ÷, =
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 8 * 4 * 321 * 87 * 280