Select the correct combination of mathematical signs from the options given to replace # signs in order to get a balanced equation?
9 # 4 # 30 # 2 # 211
×, =, ÷, +
2
+, = , -, ×
3
×, =, -, +
4
=, +, ×, -
Select the correct combination of mathematical signs from the options given to replace # signs in order to get a balanced equation?
9 # 4 # 30 # 2 # 21