1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25|
1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25|
0.25^(-1)*(根号3/2)^(1/2)*(27/4)^(1/4)+log2(1/5)*log3(1/8)*log
(0.5+0.25+0.125)/(0.5*0.25*0.125)*7/18*9/2+1/6/131/3-15/4*16
(1)8/9,4/9,2/9,( ),1/18,( ),( ) (2)1/2,3/4,9/8,27/16,( ),( )
(1)5.57-[(-3/8)+(0.5)-(-5/6)+4又2/3]-1/8 (2)0.25+2
7/2+9/4+(-1/3)-0.25+(-1/6)
计算 (8/27)^1/3-[9^0.5-|-1+根号2|^lg1 -(根号2)^-2} -㏒4为底2 计算题 555
(1):[(8/9+1又1/3)×3/4-0.25]÷1/12 (2):(2又1/2003×9又5/8+2002/200
判断下列级数的敛散性 (1/2+1/3)+(1/4+1/9)+(1/8+1/27)+...
4比7=12比()=()分之8、()分之9=36分之27=()除以60、8分之3比2=()比16、0.25比1=1比()
计算:1/(根号0.25)+(1/27)^-1/3+根号[(lg3)^2-lg9+1]-lg1/3+81^0.5log3
计算-8+[-1/7-(-1/6-0.25×2/3)÷7/3]-(8+9)