6. Given a prefix expression “+ + (9) × (8) (7) × + × (6) (5) (4) (3)”, please calculate the result.
(A) 167
(B) 147
(C) 127
(D) 117
(E) 107
答案:登入後查看
統計: A(7), B(0), C(2), D(0), E(2) #2911444
統計: A(7), B(0), C(2), D(0), E(2) #2911444
詳解 (共 1 筆)
#6367907
將其改成infix的表達式:[9+(8*7)]+{6*[5+(4*3)]}
即可求得答案為167,所以選(A)
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