3 |
3 |
A.直角(不等腰)三角形 | B.等腰直角三角形 |
C.等腰(不等边)三角形 | D.等边三角形 |
3 |
3 |
3 |
3 |
1 |
3 |
3 |
A.6a-5a=1 | B.(a2)3=a5 |
C.3a2+2a3=5a5 | D.2a2•3a3=6a5 |
A.0 | B.3 | C.22005 | D.3•22005 |
A.64 | B.12 | C.-12 | D.-64 |
A.a2•a3=a6 | B.(-y2)3=y6 |
C.(m2n)3=m5n3 | D.-2x2+5x2=3x2 |
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