Question

If 'P' stands for '+', 'Q' stands for '×', 'R' stands

64 8 7 - 10 8 6 - 4 9 8 7 - 10 48 - 4 9 8 7 - 10 44 9 58.

for '-', and 'S' stands for '÷', then what is the value of the following expression? 64 S 8 P 7 R 10 P (8 Q 6 R 4) P 9

A 56

B 58

C 50

D 52

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Solution