(8/9+1/3-2/27)×2.
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 12:04:04
(8/9+1/3-2/27)×2.(8/9+1/3-2/27)×2.(8/9+1/3-2/27)×2.(8/9+1/3-2/27)×2.7=8/9×2.7+1/3×2.7-2/27×2.7=2.4+0
(8/9+1/3-2/27)×2.
(8/9+1/3-2/27)×2.
(8/9+1/3-2/27)×2.
(8/9+1/3-2/27)×2.7
= 8/9 ×2.7+1/3 ×2.7 - 2/27 ×2.7
=2.4+0.9 -0.2
=3.1
=(24/27+9/27-2/27)2.7=310
(8/9+1/3-2/27)×2.
找规律1/2,3/4,9/8,27/16( ),( )
1/2,3/4,8/9,16/27,( ) ( ),
9^x-8•3^(x+1/2)-27
lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)^(1/3^n)]=lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)
(8/9+1/3-2/27)*27如题.等于……
-1,2,-3,4,-9,8( )A:11 B:-11 C:27 D:-27
27*(2/3+8/9-2/27)怎么简便
9^8*27^2/(-3)^18
(27/8)^-2/3+0.002^-1/2-10*((5^(1/2))-2)^-1+14/9
1/2,1/3,1/4,1/8,1/9,1/27,( ),( )有什么规侓?
1/2,3/4,8/9,( ),81/32,( ),( ) 27/64,9/16,3/4,( ),( ) 找规律
##98#27##8##1#3##2#2#####8#####3#####32###86##6##5##4##########7#8###2#1###9#5###
(1×2×4+2×4×8+3×6×12)÷(1×3×9+2×6×18+3×9×27)
****5**2* 27***81** 8***6*9** 13 *9***5*** 5****3*** *1**7*68*
1+1+1+1++5+5++8+5+6+3+27++8+0+6+6+2+7+8+5+9+9+9+9-9+8+5+5+51+6+5+8+5+95+8+8+9+9+8=
若(27/8)^x-1×(2/3)^2x-3=4/9,则x=
(27/8)^x-1乘(2/3)^2x-3=4/9,求x