1/12/()=()*8/9=0.75:()=1/2+()
1/12/()=()*8/9=0.75:()=1/2+()
( ):4=0.75=9÷( )=( ):8=1/( )
75%*8/9+3/4*1/9+0.75*9=
9又8分之7-[3.85-(1又2分之1-0.75)]=
(0.25)^(-2)+8^(2/3)-(1/16)^9-0.75)-lg25-2lg2=?
•( ):4=0.75=9÷( )=( ):8=( )分之1
4:0.5= 1/6:1/9= 8.1:0.9= 15:0.5= 0.75:1.5= 8/15:4/5= 5/14:2/
1、 4:()=25 ():0.75=0.8 ():16=0.25 2、 7/6*()=()*8/7=9/8*()=7/
填空0.75 =( ):( )=(——) =( )% . 0.75 =( ): 12 = ( )% , 1 15 : 0
求未知数x 16:x=0.75:8分之15 3(2x-1)+12=39
16:X=0.75:15/8何解?3(2X-1)+12=39何解?
9/1+7/2+12/1=