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(2002•陕西)下列计算中.正确的是A.2a3•3a2=6a6B.••=6C.2a3+a...
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(2002•陕西)下列计算中.正确的是( )
A.2a
3•3a
2=6a
6B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC/SURBVDhPzZNBEsUQEETnXBaOY+8m1g5iOwfJ
wlH6ZwRJ8ItklVSpQmn9picIg4+IsDT+iUf77R59XMz2zEB7xIw7x44e2nI+zrASZl5PxZG5OskN
0WtQdp+Ku0ClhFXnVsyWUKp45nyrH3ggjvDaokQnRIRgchtMJZRfs8fV8KVHpVUhhDR1iqDcluat
WBKu3ZIDe2iyPi0SweF+FUtA/SM58G98ZscV9xH28A1cNzenQMq9E8tF4v7KuVCsin81ApctPDAe
KwAAAABJRU5ErkJggg==
)
•
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC0SURBVDhPzZNNDsAQEIXnXBaOY+8m1g5i6yBd
zFFe/bY0pGpViUTEN+/NA2EwiAhLcwaP9p979HOYLWTNQfvL7IJtDy0tOCFhHYpU/h1mLmAW9PoL
3CbqNeib7Vsx3f0OnEqU4KTNCbz3/HgIbCWoBEhwqjxFdV9BsDcdTd/knEvnjCAIc2Q7U5hh5Sjt
5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
•
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADISURBVDhP1ZOxDcQgDEU9FwXj0HsTagahZZAU
jPIPgwMhxyko3SFFigzP3/+TEBaLiLD1/IJX9XuN/gTOAbbmYREysD12DrZDp9U9OHEBGekW0Aac
ESyBWRq0K2Tt8gyrKqdGXMd/hOthG1Dy0ZXAqv4CbjZsiZsQnXpxvbf4GkL3sDSD4oJijPWcNwTj
j/o+wWVgUaIzJclAbQyJOkFTn2GpNJ8t7XFlk2dXNkX9G17/JhN8eAMy/h0s/UX9lXL/Zq9pryeu
1Q+uWIPqmKo/AAAAAABJRU5ErkJggg==
)
=6
C.2a
3+a
2=3a
5D.|
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC0SURBVDhPzZNNDsAQEIXnXBaOY+8m1g5i6yBd
zFFe/bY0pGpViUTEN+/NA2EwiAhLcwaP9p979HOYLWTNQfvL7IJtDy0tOCFhHYpU/h1mLmAW9PoL
3CbqNeib7Vsx3f0OnEqU4KTNCbz3/HgIbCWoBEhwqjxFdV9BsDcdTd/knEvnjCAIc2Q7U5hh5Sjt
5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC/SURBVDhPzZNBEsUQEETnXBaOY+8m1g5iOwfJ
wlH6ZwRJ8ItklVSpQmn9picIg4+IsDT+iUf77R59XMz2zEB7xIw7x44e2nI+zrASZl5PxZG5OskN
0WtQdp+Ku0ClhFXnVsyWUKp45nyrH3ggjvDaokQnRIRgchtMJZRfs8fV8KVHpVUhhDR1iqDcluat
WBKu3ZIDe2iyPi0SweF+FUtA/SM58G98ZscV9xH28A1cNzenQMq9E8tF4v7KuVCsin81ApctPDAe
KwAAAABJRU5ErkJggg==
)
|=1
相关试题
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(2002•陕西)下列计算中.正确的是( )
A.2a3•3a2=6a6
B.
•
•
=6
C.2a3+a2=3a5
D.|
-
|=1
-
(2002•陕西)下列计算中.正确的是( )
A.2a3•3a2=6a6
B.
•
•
=6
C.2a3+a2=3a5
D.|
-
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-
下列计算中.正确的是( )
A.2a3•3a2=6a6
B.
•
•
=6
C.2a3+a2=3a5
D.|
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A.2a2+3a2=5a4
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A.2a2•a3=2a6
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C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAAASCAYAAAAE7bMcAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHHSURBVFhH7VZBjsMgDORdOfCc3PlJznlIrjyk
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qG4VijEj/HSo4zgCn21RsGyv8P/eOewWGV0P2BtlDl4WMBPhdre3b1w3hvhFHEWJt1weh6Dk6YZS
hGR3Mqf1WFTkOnjcHHlblF7dABi/c8JZ8hlIJqz+IbphFDhcgrPxfqsuEeG1LaCWbZoIs/G4Ikjr
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A.2a2•a3=2a6
B.(3a2)3=9a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAAASCAYAAAAE7bMcAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHHSURBVFhH7VZBjsMgDORdOfCc3PlJznlIrjyk
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2jf0PPy1hiI4a0nnA4jQDYSMcwTPmloEfq+fd1YiBEcbuHtvKEJVBoFS6xzsOl6nD+7o2pJgzTp6
0WFyK51cjcmjfVEWi0A6V2ZFw9bJbo0rEnGCpYWjJZGKiB9dYLyzcZVjIROB5INH+kCEyCQEpC4H
FNOa+bE2+g4on9djnPNIIALaqZ4nTkefyL6TMVw3PItwjgc2QMGxRuXXnJZN+9JE7RJh4qX3Z+XC
qG4VijEj/HSo4zgCn21RsGyv8P/eOewWGV0P2BtlDl4WMBPhdre3b1w3hvhFHEWJt1weh6Dk6YZS
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)
D.
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A.2a2•a3=2a6
B.(3a2)3=9a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAAASCAYAAAAE7bMcAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHHSURBVFhH7VZBjsMgDORdOfCc3PlJznlIrjyk
B57ixYQADhDslt29FKlSpZDxMB4PUdBYSing/Frv/gXe7LqqR5pbiLMPBf2Pxa37FcF35ysCWwRr
ckboHZzQ25Ut3Q76yh1jhWj87d1xSPU17P4wYyfgC4moBYPkhcQpGY+RhDzx7nCcUL72PEnSEsHt
2jf0PPy1hiI4a0nnA4jQDYSMcwTPmloEfq+fd1YiBEcbuHtvKEJVBoFS6xzsOl6nD+7o2pJgzTp6
0WFyK51cjcmjfVEWi0A6V2ZFw9bJbo0rEnGCpYWjJZGKiB9dYLyzcZVjIROB5INH+kCEyCQEpC4H
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qG4VijEj/HSo4zgCn21RsGyv8P/eOewWGV0P2BtlDl4WMBPhdre3b1w3hvhFHEWJt1weh6Dk6YZS
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D.