∫(x2-x+1)dx=()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
执行完下列程序段后,AX=() MOV DX,8F70H MOV AX,54EAH OR AX,DX AND AX,DX NOT AX XOR AX,DX ROR AX, 1
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