A．STR（S)B．VAL（S)C．CHR（S)D．DTOC（S)
A. STR(S)
B. VAL(S)
CHR(S)
DTOC(S)
查看答案
A．LOOPB．EXITC．ELSED．IF
A. LOOP
B. EXIT
C. ELSE
D. IF
A．DO P1B．DO P1 WITH IC．DO P1 HAVE ID．DO P1 OWN I
A. DO P1
B. DO P1 WITH I
C. DO P1 HAVE I
DO P1 OWN I
若将D=B*B-4*A*C改为D=A*A-B*C，则D的输出结果为 ______。
A. 0
B. 1
C. 2
D. 3
A．insteadB．andC．exceptD．besides
A. instead
B. and
C. except
D. besides
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