数学题 七下的 同底数幂的除法 在线等 9点前 谢谢~1.若3^m=5,3^n=4,则3^2m-n等于 ()A.25/4 B.6 C.21 D.202.(-x^2y)^6/(-x^2y)^5/(x^2y)要过程 3.[1/3]^-2+(π-1)^0-5^m+1 除以 5^m要过程4.(y^m+1)^3除以y^3m除以y^ -2要
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 19:47:48
![数学题 七下的 同底数幂的除法 在线等 9点前 谢谢~1.若3^m=5,3^n=4,则3^2m-n等于 ()A.25/4 B.6 C.21 D.202.(-x^2y)^6/(-x^2y)^5/(x^2y)要过程 3.[1/3]^-2+(π-1)^0-5^m+1 除以 5^m要过程4.(y^m+1)^3除以y^3m除以y^ -2要](/uploads/image/z/4353581-29-1.jpg?t=%E6%95%B0%E5%AD%A6%E9%A2%98+%E4%B8%83%E4%B8%8B%E7%9A%84+%E5%90%8C%E5%BA%95%E6%95%B0%E5%B9%82%E7%9A%84%E9%99%A4%E6%B3%95+%E5%9C%A8%E7%BA%BF%E7%AD%89+9%E7%82%B9%E5%89%8D+%E8%B0%A2%E8%B0%A2%7E1.%E8%8B%A53%5Em%3D5%2C3%5En%3D4%2C%E5%88%993%5E2m-n%E7%AD%89%E4%BA%8E+%EF%BC%88%EF%BC%89A.25%2F4++B.6++C.21+D.202.%28-x%5E2y%29%5E6%2F%28-x%5E2y%29%5E5%2F%28x%5E2y%29%E8%A6%81%E8%BF%87%E7%A8%8B++3.%5B1%2F3%5D%5E-2%2B%28%CF%80-1%29%5E0-5%5Em%2B1+%E9%99%A4%E4%BB%A5+5%5Em%E8%A6%81%E8%BF%87%E7%A8%8B4.%EF%BC%88y%5Em%2B1%29%5E3%E9%99%A4%E4%BB%A5y%5E3m%E9%99%A4%E4%BB%A5y%5E+-2%E8%A6%81)
xVNG~skٵ DۇTu%sƾ\(jV4"Pzv+^.&JmF>s7gΜ9?386.gj5&Zh3lIJN1n/HlFg~SQrx>ϊڪ5
pl.f}fy'.}l3>YنUX
NBCg_/v,gV\3YkCpƎ)5O+WJ(#_8镞{@a{A g(H^{x,MEm"*l%5
ł2wtP Xq"qsA\#4)1^=@
3ܦhsabE)sLVQ.k!ސ
7M\}M5d[N?)l>ב~cƼgፓ(fL,k2FtdP .95QFoe;*\3
K5jXqt(NA5q/3:&;S1j̆+sXli5[51SEP־Xќp0>DD7Wq8:։ DV f+}
S~*Ex,jGZ
cW"۶{yLLv&vhV?x