1.

If S means '+', L means 'x', U means '/' and K means '-', then the value of_x005F_x000D_  _x005F_x000D_ 21 S 1 U 7 L 15 U 6 L 14 K 55_x005F_x000D_

A. -50
B. 26
C. -29
D. 29
Answer» D. 29


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