1.

If 'x' means 'addition', '­' means 'division', '/' means 'subtraction' and '+' means 'multiplication', then which of the equation is correct

A. 25+10-­5/10X3=43
B. 25­-10X5+10/3=72
C. 25X10/5+10­-3=12
D. 25/10+5X10/3=18
Answer» B. 25­-10X5+10/3=72


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