分数(百分数)计算题一、直接写得数:50% 60% 1 5 856572657439732 419033191 90% 12.5% 48% 25%6282 8 3.5 65651856127 6 8 2.4 172%83437133二、解方程:125%XX28 (140%)X98 120%X 120%X4480%X1240 X20%X16 X30%X65 1 X36560%X2540 125%X X25%X 2X30%X9.24343X25%X2.8 (160%)X0.32 125%XX44 140%X0.7X15%X42.5 78%X45=84