0.5:()=():0.8=0.625
0.8等于几分之几,0.25=?0.75?0.625? 0.875
0.625*0.5+1又2分之1*62.5%=
24分之( )=0.5:( )=0.625=10:( )
0.8X-0.5*1.2X=10
0.8-0.75=0.5-x解方程
0.8x+0.5x13=10.
25/()=0.625
0.625×0.8×0.04×0.5简便计算(递等式计算)
30个0.625相乘*31个0.8相乘*32个2相乘=?
0.5kg------3----3-- -3 30.8x10 kg/m =0.625x10 m
(0.25-x)/0.125=0.625
(-2.75)+(-4.25)+(-3.375)+0.625=?