1、小学数学五年级上册数学小数乘除法计算专项练习4.7 X1.36 =(得数保留一位小数)5.63+6.1 =(得数保留两位小(考试时间:40分钟满分100分)姓名:成绩0.32 X 5=18X0.01 =3.2+ 0.1 =0.27+ 0.03=2.3 X 20=0.01+ 0.1 =6.5X10=80X0.3=1.8 +0.3=0X 0.995=0+ 4.61 =1.25X8=2.4 X 5=10+ 2.5=0.37X0.4=2.34X0.2=、直接写出得数;(8分)3.8 +4.5 =(得数精确到百分位)1.55 +3.8 =(省略百分位后面的尾、根据题目要求,列竖式计算;(2X 18=36
2、 分)0.37 X24=56.5X0.24 =1.24X0.15 =7.6 +9=14.2+ 11 =9.4+ 6=0.59 X 0.027 =6.72+ 6.4 =93.6+ 0.052 =0.39 +7.8 =1.03X5.9 =0.86X1.2 =3.81 +7=(得数精确到百分位)5.87 +1.9 =(得数保留一位小数)三、脱式计算.(能简算的要简算)(每题两分,共30分)5.5 X 8.2+ 1.8 X5.50.25X0.89 X44.5X98四、解方程;(每题2分,共12分)91 + X=1.31.2 x + 2 = 60(x -4)义 0.5=104X+1.2X 5=24.4 8X - 5X=27 6x-10.8=13.20.52 +2.6 X104.88.8X1.25五、列式计算.(8分)2.35 X 4.64 +5.36 X2.3512.5X1.36 X0.82.6X10.11.2与3.3的和的1.8倍是多少?7.2除以2.5乘0.4的积,得多少?9个4.8相加的和比14.8多多少?2.3与0.57的差,乘0.6 ,积是多少?43.5+151.4525.2+ 12+2.94.4X0.2532.6X1.01 -0.1 X3.261.25X 0.45 X 0.80.38X102六、填一填.(6分)+ 0.9+ 1.6