5^6*5^-3=5^6*1/5^3=5^6/5^3=5^6-3=5^3=5^6+(-3) 7^4/7^-2=7^4/1/7^2=7^4*7^2=7^4+2=7^6=7^4-(-2)1）上面两市的计算是否正确?（2)根据上面的运算过程,你对于a^m*a^n=a^m+n(m、n均为正整数),a^m/a^n=a^m-n（m、n均为正整数,且m>n
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5/6十5/6十5/2=? 2/3-2/5-1/6=?
3/5+1/5x=6/5
x+1/3-5/6x=5/6
x+1/3—5/6x=5/6
5x/6-3/4(6x+5)+1=2/3(9x-5)+5
1+5+5^2+5^3+5^4+5^5+5^6+…………5^2012=
5/6-(3/10-1/3)=?
计算(+5/2)-(-5/3)=-5/1(-5/2)-(-5/3)=5/12/1-3/1=6/1(-2/1)-3/1=-6/1
(2/5x+6):(3/5-6)=5:
5+3-0-1+6-3+5-4=?
5/6:x=0.3:3/5,
1/3（1-2/5x)=5/6x
3×4×5×6=
6+7+3+5=?
1+2-3+4-5+6=
3x -5/12=1/6
5/12-1/6+2/3=?
5x-1/6=7/3