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(2002•乌鲁木齐)下列运算正确的是A.2a2+3a2=5a4B.(a+1)2=a2+1...
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(2002•乌鲁木齐)下列运算正确的是( )
A.2a
2+3a
2=5a
4B.(a+1)
2=a
2+1
C.2a
2•(-3a
3)=-6a
6D.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQAAAAbCAYAAADFyymQAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
=a
2+1
相关试题
-
(2002•乌鲁木齐)下列运算正确的是( )
A.2a2+3a2=5a4
B.(a+1)2=a2+1
C.2a2•(-3a3)=-6a6
D.
=a2+1
-
(2002•乌鲁木齐)下列运算正确的是( )
A.2a2+3a2=5a4
B.(a+1)2=a2+1
C.2a2•(-3a3)=-6a6
D.
=a2+1
-
(2002•乌鲁木齐)下列运算正确的是( )
A.2a2+3a2=5a4
B.(a+1)2=a2+1
C.2a2•(-3a3)=-6a6
D.
=a2+1
-
(2002•乌鲁木齐)下列运算正确的是( )
A.2a2+3a2=5a4
B.(a+1)2=a2+1
C.2a2•(-3a3)=-6a6
D.
=a2+1
-
(2002•滨州)下列各式运算正确是( )
A.2a2•3a2=5a2
B.(-a2)3=a6
C.3
+2
=5![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACySURBVDhPzZO5EcMgEEW3LgLKId9OiCmElEIU
UMq3lsOAjTRrRWaGhOH9Y5EIm0VEUO0reHf+eUb/D+dgxxxsQD4jK2MncAPmmjo4MTh9T0cBZwTb
n44xayjg4ZhYRCyCFNZ3HgJlcK3DT85VYgyPEF17AveWl0/zep1wd44xlnveEIw/apcbOPGuc0lQ
3Rc4B9jpR5mfbMnnzkvifh97FFrgwxuQ8c9g0RT3R849kBZ+AeaPnaoEN+d7AAAAAElFTkSuQmCC
)
D.10-2×(0.1)-2=1
-
(2002•滨州)下列各式运算正确是( )
A.2a2•3a2=5a2
B.(-a2)3=a6
C.3
+2
=5![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACySURBVDhPzZO5EcMgEEW3LgLKId9OiCmElEIU
UMq3lsOAjTRrRWaGhOH9Y5EIm0VEUO0reHf+eUb/D+dgxxxsQD4jK2MncAPmmjo4MTh9T0cBZwTb
n44xayjg4ZhYRCyCFNZ3HgJlcK3DT85VYgyPEF17AveWl0/zep1wd44xlnveEIw/apcbOPGuc0lQ
3Rc4B9jpR5mfbMnnzkvifh97FFrgwxuQ8c9g0RT3R849kBZ+AeaPnaoEN+d7AAAAAElFTkSuQmCC
)
D.10-2×(0.1)-2=1
-
(2002•滨州)下列各式运算正确是( )
A.2a2•3a2=5a2
B.(-a2)3=a6
C.3
+2
=5![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACySURBVDhPzZO5EcMgEEW3LgLKId9OiCmElEIU
UMq3lsOAjTRrRWaGhOH9Y5EIm0VEUO0reHf+eUb/D+dgxxxsQD4jK2MncAPmmjo4MTh9T0cBZwTb
n44xayjg4ZhYRCyCFNZ3HgJlcK3DT85VYgyPEF17AveWl0/zep1wd44xlnveEIw/apcbOPGuc0lQ
3Rc4B9jpR5mfbMnnzkvifh97FFrgwxuQ8c9g0RT3R849kBZ+AeaPnaoEN+d7AAAAAElFTkSuQmCC
)
D.10-2×(0.1)-2=1
-
(2002•滨州)下列各式运算正确是( )
A.2a2•3a2=5a2
B.(-a2)3=a6
C.3
+2
=5![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACySURBVDhPzZO5EcMgEEW3LgLKId9OiCmElEIU
UMq3lsOAjTRrRWaGhOH9Y5EIm0VEUO0reHf+eUb/D+dgxxxsQD4jK2MncAPmmjo4MTh9T0cBZwTb
n44xayjg4ZhYRCyCFNZ3HgJlcK3DT85VYgyPEF17AveWl0/zep1wd44xlnveEIw/apcbOPGuc0lQ
3Rc4B9jpR5mfbMnnzkvifh97FFrgwxuQ8c9g0RT3R849kBZ+AeaPnaoEN+d7AAAAAElFTkSuQmCC
)
D.10-2×(0.1)-2=1
-
下列运算正确的是( )
A.(2a2)3=6a6
B.2a2+3a2=5a4
C.a3÷a-1=a4
D.(a+2b)2=a2+4b2
-
下列运算正确的是( )
A.2a2×3a2=6a2
B.2a2+3a2=5a4
C.2a3+3a3=5a3
D.a6÷a3=a2