2022年人教版小学数学五年级上册期末常考易错专项1—《计算题》一、口算和估算1.直接写得数。5×3.2=7-4×0.5=0.4×0.4=1.25×0.8=2.5÷0.1=0.8+0.08=4-0.55=12.8÷4=2.直接写出得数。9.8÷0.7=5×1.8=4+3.6=3-0.98=4.1×0.6=1.96÷0.4=a×a×7.3=11÷22=3.直接写出得数。0.47+2.3=5÷0.1=0.8×0.3=36÷0.3=1.85-1.85÷1.85=[来源:Z*xx*k.Com]3-1.8=0.52÷4=1.25×8=4.8÷0.02=0.7×0.3÷0.7×0.3=4.直接写出得数。0.6×0.3=1÷0.25=4.5-1.9=0.75+0.25=8.4÷0.84=0.05×0.04=1-0.65=1.98÷9=0.54÷18=1.25×4=0.6×0.4×0=5.8+1.02=5.口算。0.25×4=0.72÷12=0.8×12.5=6.8÷4=13.8×0=100×9.95=0.81÷0.9=2.4×5=6.直接写出得数。25×0.4=3.6+6.4=0÷0.98=0.7×0.8=6.4÷0.8=3.5×2=0×0.77=5.9-3.9=2.7÷9=2a+4a=7.直接写出下面各题的结果。3.5×6=4.3+5.7=8.6÷0.1=0.72×2=0.5×0.7=1.2-0.9=0.27÷0.3=4.3a-3a=8.直接写出得数。1.5×0.3=9.6÷3.2=0.125×8=0.75÷0.075=4.83+6.7=8.3-2.63=0÷5.76=1.8×0.5÷0.05=二、竖式计算9.列竖式计算。0.35×0.24=4.692÷0.23=3.48×0.26≈(得数保留两位小数)10.用竖式计算。0.75×0.64=2.24÷0.56=9.48÷4.6≈(得数保留一位小数)11.竖式计算。(1)0.83×2.4(2)1.3÷0.78(得数保留两位小数)(3)54.72÷1.8(要验算)12.列竖式计算。4.65×8.640.8÷0.3438.2÷2.7(得数保留两位小数)13.列竖式计算,带“*”的要求验算。10.8÷5.4=0.51÷0.5=*18.9÷0.54=...
发表评论取消回复