试题详情
计算
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAAjCAYAAADfXvn1AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFYSURBVFhH7VgBDoMgDOzL+BPf4TM8xad0FIdz
CWpL18AIJoYtY16Paykn4KQXTMoLFzHcAjpwGLb/0JinWPQIAOmejVgWKaJfxJTpWjLEBdwznxY1
Zczx/fn5vFTsotiGwVHqEymfqMmugYlh2q9cqms5KVqCoYnlnViQfmdNhyYWk2KtLWZYYpSGPhVW
9JDH9GEfmRePWG7O1Mf2WwLAjOOYRkQIw5WTQNkhhaA8YtLoBpi/iA0ggigEU8VKvZTa/BqFNSNi
RX2sCnraKFp/5wTS+uyn/wkbNCfUceaYpmJPmovY7er3dNcX2HrFerrrG2w9sS5e7Zw/dWcPdLjM
26fCrTa/NjDEfitWd6v8Bqt5H2KDfaSixq02K/bOKAvsT40p3KqWmMYpX2EfxDRuVUvMAjsT07pV
DTEr7HwIVrlVhbu2xP5RH+t5KqxjL2LjaXIf0bSKvQBPvKVEvbhY5QAAAABJRU5ErkJggg==
)
结果是( )
A.0
B.1
C.-1
D.
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A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABsAAAAjCAYAAABl/XGVAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAELSURBVEhL7ZaLDcMgDEQ9GTuxDsswCqO4OG4K
tOYXJ0SRiooqtYHHHZgL4MIGC1l4Eyw4NGDQheu0sjJvEQBib8DiM9brFpLZ6NE+BeYtOUPdoien
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Ky3kveLyCRg/P41hW0GnzR+up2IcHZgcWIPpanV49E134/D6jj+4VhlfMdd38mOtsuM7MD/y4coa
iX+usk7inwvjd4xq4ouwkdStH49hWD11m6ld3NyDsJnU1SmbTF0VbDZ1VbDZ1FXByrTup64I6yT+
BXVW1/yHzeeJMOIFPRpnHRgXQ/0AAAAASUVORK5CYII=
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAjCAYAAAD17ghaAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEASURBVFhH7ZbhDYQgDIU7GTuxDsswCqNUqp7C
HYba9uAPRGNi1PfxqOUBTh4wWR8XwHLAxIHoAQHo9BijR/CRXdtKgITBAbqQTsGIPoO80Nf9BTTz
W5wYCMjhxcPwQe5ACuhcyJLFaN3rQIgBUnCN2X870rdADFDbf6w9ANmfMB/sIQZAsnsXPasfSwi2
vq4I+TLPT8odsFDP35gPcHexz3oW1zcdRehI14GjyP5zEnMXQDgx9msLYJwDe+P63ajGAFBGuFp1
XR5jAHZNatVKBzTJRwnwnHz4jUzhgEXykTtglHzEAFbJRwxglXzEACbJp0pPdWwf2Afa+9MCmO7A
Br6fX/Oz5WO0AAAAAElFTkSuQmCC
)
C.-1
D.2