计算能力竞赛姓名：_班级：_分数：_一、直接得数（每题1分，共25分）= 3.56= 2= = = = 0.2= 0.3= 4= = = 151= = 0= 24= = 1= = = 9=12= 0.4 3.14= 0.92 = 2.53.4= 28=二、脱式计算，能简算的要简算。（每题4分，共40分）1258 ()24 () 3 3 7 8.92 6.1 0.36101 20 (5.6 + 4.8)1.3 3.2(2.15 + 1.956.5) ( + ) + 36( + ) 三、解方程（每题5分，共35分）10x= 33x = x=18 x =4 4x3 9 = 29 x + x = 4x + =