Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
321 * 3 * 236 * 5 * 248 * 4 * 20 = 384
1
+, -, ×, +, ÷, ×
2
-, +, ×, -, ÷, +
3
÷, +, -, ×, +, -
4
×, +, -, ÷, +, -
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
321 * 3 * 236 * 5 * 248 * 4 * 20 = 384