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下列运算正确的是A.4a2-(2a)2=2a2B.(-a3)•a3=a6C.D.
试题详情
下列运算正确的是( )
A.4a
2-(2a)
2=2a
2B.(-a
3)•a
3=a
6C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAASCAYAAADixHhYAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGdSURBVFhH7VdBkoQgDMy7PPAc7/zEsw/xykPm
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j2jA4OgTBGe3vDEjprevjMBhZELNNc+suwJVfjbDW+eQuDgRhAhHog4tkW8gzgWZ8aLAC3YKrQ1h
UegMb50gQW8ixQXxzjFH+NEgCC5xVicUI+49wyaMBq2ZY854Nwly8CU5qYF1dpdpxC3Ozw7/VkG2
LnoczdlZxoocJUGCuxpHsSTI3n33CcLypERBvp91yBquJkn06gzZl0943yQIOcLOKSNfVRmSQOXy
qU7676ojb8CpX7fNPmLLnTqG6neBs8J2XGKqrrsC/UOOSLxhmqZQcegAu+ETvl8RhDrHcnQmrslV
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RU5ErkJggg==
)
D.
相关试题
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下列运算正确的是( )
A.4a2-(2a)2=2a2
B.(-a3)•a3=a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAASCAYAAADixHhYAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGdSURBVFhH7VdBkoQgDMy7PPAc7/zEsw/xykPm
wFOyBh00GCSCq5exaqqmRun0dDoNAgoXAGDrR8It/aatWcJpuQ85QVpAa9eSIG9fP0GSDvwEqRbE
j2jA4OgTBGe3vDEjprevjMBhZELNNc+suwJVfjbDW+eQuDgRhAhHog4tkW8gzgWZ8aLAC3YKrQ1h
UegMb50gQW8ixQXxzjFH+NEgCC5xVicUI+49wyaMBq2ZY854Nwly8CU5qYF1dpdpxC3Ozw7/VkG2
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qU7676ojb8CpX7fNPmLLnTqG6neBs8J2XGKqrrsC/UOOSLxhmqZQcegAu+ETvl8RhDrHcnQmrslV
fV1itGSSBrfUh+iNDO9tZELHFpecHpB254EYeOxlMD86Itlc3f3BSTiDaP+49NwZb5Yh/VyYXPL0
S9ZbdSWxmCCfoUPohscFeatuURB6gLr1tEPerJuKcmHbbZla3do3GpEy+wPbrwNI1L9C7wAAAABJ
RU5ErkJggg==
)
D.
-
下列运算正确的是( )
A.4a2-(2a)2=2a2
B.(-a3)•a3=a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAASCAYAAADixHhYAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGdSURBVFhH7VdBkoQgDMy7PPAc7/zEsw/xykPm
wFOyBh00GCSCq5exaqqmRun0dDoNAgoXAGDrR8It/aatWcJpuQ85QVpAa9eSIG9fP0GSDvwEqRbE
j2jA4OgTBGe3vDEjprevjMBhZELNNc+suwJVfjbDW+eQuDgRhAhHog4tkW8gzgWZ8aLAC3YKrQ1h
UegMb50gQW8ixQXxzjFH+NEgCC5xVicUI+49wyaMBq2ZY854Nwly8CU5qYF1dpdpxC3Ozw7/VkG2
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qU7676ojb8CpX7fNPmLLnTqG6neBs8J2XGKqrrsC/UOOSLxhmqZQcegAu+ETvl8RhDrHcnQmrslV
fV1itGSSBrfUh+iNDO9tZELHFpecHpB254EYeOxlMD86Itlc3f3BSTiDaP+49NwZb5Yh/VyYXPL0
S9ZbdSWxmCCfoUPohscFeatuURB6gLr1tEPerJuKcmHbbZla3do3GpEy+wPbrwNI1L9C7wAAAABJ
RU5ErkJggg==
)
D.
-
下列运算正确的是( )
A.4a2-(2a)2=2a2
B.(-a3)•a3=a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAASCAYAAADixHhYAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAGdSURBVFhH7VdBkoQgDMy7PPAc7/zEsw/xykPm
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)
D.
-
下列运算正确的是( )
A.4a2-(2a)2=2a2
B.(-a2)•a3=a6
C.(-2x2)3=-8x6
D.(-x)2÷x=-
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(2010•博野县一模)下列运算正确的是( )
A.4a2-(2a)2=2a2
B.(-a3)•a3=a6
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(2006•成都)下列运算正确的是( )
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下列运算正确的是( )
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A.a+a=2a2
B.a2•a3=a6
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(2007•韶关)下列运算正确的是( )
A.(2a)2=2a2
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(2013•南漳县模拟)下列运算正确的是( )
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