0.75*8/9/3/4

0.75*8/9/3/4 75%*8/9+3/4*1/9+0.75*9= 0.75+14/1/9+3/4*1/8/9-12*0.75 0.75乘以9分之8除以4分之3=? 3/4÷【0.75×（4/9÷8/9）】 等于几? 4分之3÷【0.75×（9分之4÷9分之8）】的简便计算 0.75*14又9分之1+4分之3*1又9分之8-12*75% 求比值 4:5 0.75:8 4/3:6 2/9:7/10 计算题：|-0.75|+(+3又1/4)-9-(-0.125)+(-5/8)-|-0.125| 计算：(+3)+(+4)= (-2)+(+8)= (-0.25)+(+0.75)= (-2)+(-5)= (-9)+(+ 121x3/4-3/8x40-0.75 3/8+0.75+0.625+1/4简算