Replace the ____ by the correct mathematic symbol to make expression true?
18 ? 12 ? 4 ? 5 = 59 Choose the correct option:  A) 18*12/4+5  B) 18/12*4-5  C) 18*12*4+5  D) 18*12/4-5  E) None
Correct 18*12/4+5nswer : 18*12/4+5   ((18*12)/4)+5= 
<gadget id="calculator">((18*12)/4)+5</gadget>
<output>59</output>
59
<result>A</result>
Replace the ____ by the correct mathematic symbol to make expression true?
18 ? 12 ? 4 ? 5 = 59