(1)1/4*x-0.33x=-6 x=75 (2)x-0.2x-6-(0.2x+6-2)=1/3x (3)0.08*300/(300+x)=0.125*120/(120+x) x解出来就是答案啦,希望你满意
这几道数学题怎么做!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(1)1/4*x-0.33x=-6 x=75 (2)x-0.2x-6-(0.2x+6-2)=1/3x (3)0.08*300/(300+x)=0.125*120/(120+x) x解出来就是答案啦,希望你满意