计算一,2a-4/a^2+4a+3除以a-2/a+3*(a+3) 二m+2/2m-4除以(m+2-m+2/m-2)——要
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/07 12:07:40
计算一,2a-4/a^2+4a+3除以a-2/a+3*(a+3) 二m+2/2m-4除以(m+2-m+2/m-2)——要过程,急
![计算一,2a-4/a^2+4a+3除以a-2/a+3*(a+3) 二m+2/2m-4除以(m+2-m+2/m-2)——要](/uploads/image/z/9342541-37-1.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%80%2C2a-4%2Fa%5E2%2B4a%2B3%E9%99%A4%E4%BB%A5a-2%2Fa%2B3%2A%EF%BC%88a%2B3%EF%BC%89+%E4%BA%8Cm%2B2%2F2m-4%E9%99%A4%E4%BB%A5%EF%BC%88m%2B2-m%2B2%2Fm-2%EF%BC%89%E2%80%94%E2%80%94%E8%A6%81)
2a-4/a^2+4a+3除以a-2/a+3*(a+3)
=(2a-4)/(a²+4a+3)÷(a-2)/(a+3)(a+3)
=2(a-2)/(a+1)(a+3)×(a+3)²/(a-2)
=2(a+3)/(a+1)
m+2/2m-4除以(m+2-m+2/m-2)
=(m+2)/2(m-2)÷(m²-4-m-2)/(m-2)
=(m+2)/2(m-2)×(m-2)/(m+2)(m-3)
=1/2(m-3)
=1/(2m-6)
)
=(2a-4)/(a²+4a+3)÷(a-2)/(a+3)(a+3)
=2(a-2)/(a+1)(a+3)×(a+3)²/(a-2)
=2(a+3)/(a+1)
m+2/2m-4除以(m+2-m+2/m-2)
=(m+2)/2(m-2)÷(m²-4-m-2)/(m-2)
=(m+2)/2(m-2)×(m-2)/(m+2)(m-3)
=1/2(m-3)
=1/(2m-6)
)
计算一,2a-4/a^2+4a+3除以a-2/a+3*(a+3) 二m+2/2m-4除以(m+2-m+2/m-2)——要
计算:(a^m)^n*(-a^3n)^2m除以(a^nm)^5-a^2nm
(M的平方-M)/M+2除以A=(M的平方-M的三次方)/4-M的平方,则A=多少?
[(-a)^2m]^3*a^3m+[(-a)^3m)]^3,(m为偶数),计算.
计算:M/(5分之M+3分之M) (A分之3-2A分之1)*4A
《(M的平方-M)除以M+2》除以A=(M的平方-M的三次方)除以(4-M的平方),则A=?
a^m+1除以a^m-1•(a^m)^2
计算:(4a^3)^m/[(4a^2)^m*4a]
已知2a的2m+3次方 乘(-a)的二次方 除以(-a的m-1次方) =-2(a的三次方)的m-1次方 除以a.求m的值
若a^m=2,求(3a^m)^2+4(a^3)^m
a^3m 2n÷a^m一n
a^m·a^3m·a·a^m-2a^3m·a^2m+1 计算