In the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4
1
-, =, × and +
2
+, =, × and -
3
=, ×, + and -
4
-, +, = and ×
In the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4