8/9*[0.75-(5/16+0.25)]=
(0.25)^(-2)+8^(2/3)-(1/16)^9-0.75)-lg25-2lg2=?
计算:(+3)+(+4)= (-2)+(+8)= (-0.25)+(+0.75)= (-2)+(-5)= (-9)+(+
5-0.25+0.75 = =
1、 4:()=25 ():0.75=0.8 ():16=0.25 2、 7/6*()=()*8/7=9/8*()=7/
9分之8乘〔0.75减(16分之7减0.25)〕=
8分之5x+0.25=1又16分之9
0.25²-8⅔次方-(1/16)的0.75次方-2log(5)10-log(5)0.25
0.25^(-2)+8^(2/3)-(1/16)^(-0.75)-lg25-lg2=?
9分之4×[0.75-(16分之7-0.25)]
( ):( )=0.75=9/( )=( )/16
0.75=():8=16分之()=9:()=()分之()
-6/11-7/9+4/9-5/11=?--0.25的绝对值+3/4-(-0.125)+-0.75的绝对值=?