(27/8)^-2/3+(17/8)^2/3+(0.25)^-2-[(-3)^2]^3/2
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(27/8)^-2/3+(17/8)^2/3+(0.25)^-2-[(-3)^2]^3/2
求答案
求答案
![(27/8)^-2/3+(17/8)^2/3+(0.25)^-2-[(-3)^2]^3/2](/uploads/image/z/8401154-50-4.jpg?t=%2827%2F8%29%5E-2%2F3%2B%2817%2F8%29%5E2%2F3%2B%280.25%29%5E-2-%5B%28-3%29%5E2%5D%5E3%2F2)
(27/8)^-2/3+(27/8)^2/3+(0.25)^-2-[(-3)^2]^3/2
=(3/2)^-2+(3/2)^2+4²-3³
=4/9+9/4+16-9
=16/36+9/36+9
=9又25/36
=(3/2)^-2+(3/2)^2+4²-3³
=4/9+9/4+16-9
=16/36+9/36+9
=9又25/36
(27/8)^-2/3+(17/8)^2/3+(0.25)^-2-[(-3)^2]^3/2
(2/3-4/9+5/27)*27-2又3/17*8+2/17*8简便计算
化简:根号2/3*根号27/8
9^8*27^2/(-3)^18
指数函数(8/27)^(-2/3)
(-0.25)*2/5*8-9/(-3/2)²
计算:0.25^-2分之1+8^-3分之2=?
[3/4+2/3×21/8]÷0.25
0.25÷8/5+3/2+5/3简便计算
(-1/2)的2次方+(-0.25)的3次方×8-(-2/3)的3次方.
(3x-2y)^2-(27x^3-8y^3)/(3x-2y)
(3/8+2/17)×8+1/17 的简便计算