计算题 进来看看(1) (5又2/5-1.8)/[(1.15+13/20)]*1又2/3] (2) 128/[36/(1
计算题 进来看看
(1) (5又2/5-1.8)/[(1.15+13/20)]*1又2/3]
(2) 128/[36/(11/12+7/9-1/4)+1/13]
(3) 1949*(1/61-1/2010)+61*(1/1949+1/2010)+2010*(1/1949 ÷ 1/61)+3
(4) (x-1)/3-x/6=(4-x)/2
(5) (3x-1)/5=2-(2x-2)/4