五年级数学上册计算题专项练习一、直接写出得数。2.5×4=20×0.5=7.2÷1.2=3.86÷100=3.9×0.01=98,4×100=9.1÷1.3=8.2÷10=1-0.45=36+2.45=0.48×0=0.42÷7=73×4×25=0.69÷1=1.21÷0.6=0,5÷0.2=8.4÷2.1=76÷1000=8.7-5=1.28×8=40×25=0.51×100=0.58×99=0.6×0.9=0.1×0.5=0.5×2÷0.5×2=12.4-（2.4+3.25）=12.5÷0.5÷0.4=1.5÷1.5＋1.5=1084÷18×4=2.6+3.1-2.6+3.1=5.7a+a=10÷2.5=2.5×1.95×0.4=x-0.3x=4a×7=7.2÷0.9=0.27÷0.03=0×0.995×1000=1.25×8×0.625=7.5×4=0.9×0.3=6.8÷68=0÷4.61÷4.61=m×m=m+m=m×1=0.5×8=3.6×0.4=39.68×0=47.6×1=6.45×0.01=4÷0.5=12÷0.06=12÷1.2=3÷30=50×0.04=80×0.3=0.15×7=3.2×6+3.2×4=2.5×4×0.36=3.6×0.412.5×8=1.1×90.2+0.8×0.5=6.03×1000=10×0.6=3×0.9=0.1×0.1=0.24×0.5=5.4＋3.6=1.25－0.25=0.6×0.8=10.2×4.5＝2.5×6＝9×0.25＝0.125×4=4.7×6＋4×4.7=1.25×8×0.5=16×0.01=1.78÷0.3=0.27÷0.003=2.5×2.3×4=0.01÷0.1=1.8×20=x-0.4x=5d-2d=38.5×0×0.38=3.6÷0.4=0.6×0.8＝2.4×3＝0.12×0.7＝0.5×4÷0.5×4=4÷5＝2.5×0.4=1.6÷0.5＝0.2÷0.05＝3.6－1.2÷2.4=二、列竖式计算并验算2.7÷0.32=35÷56=0.36×6.9=15.36÷12=11.2÷0.14＝2.34×1.5=11.7÷2.6=25.2÷42=3.74÷342.73÷2.6＝1.72×2.6＝0.23×3.8＝0.85×4.5＝4.14÷23＝2.7÷7.＝629÷61（得数保留两位小数）4.8÷2.3（得数保留一位小数）6.49×0.58（得数保留三位小数）0.27÷1.1（得数保留两位小数）4.7×1.36≈（得数保留一位小数0.96×1.7≈（得数保留两位小数）3.8÷4.5≈（得数精确到百分位）5.72×0.18≈（省略十分位后面的尾数）1.55÷3.8≈（省略百分位后面的尾数）3.81÷7≈（得数精确到十分位）-1-28÷18=10÷3=78.6÷11=1.5÷9.912.6÷11（用循环小数表示。）1、（得数保留一位小数）（1）0.38×0.23（2）5.79×3.6（3）4.6×0.25（4）6÷24（5）52.95÷75（6）3.01÷7（7）4.95÷11（8）84.01÷31（用乘法验算）（9）0.646÷19（10）4.7×0.592、（除不尽的保留两位小数）（11）3÷1.2（12）2.7÷0.36（13）88.4÷1.7（14）7.525÷0.38（15）4÷15（16）91.2÷0.57（17）84.84÷1.2（18）5.63÷6.1（19）56÷77（20）1.47÷4.2（21）19.19÷0.95（22）56.29÷6.1（23）23÷33（24）7.41÷0.57（25）21÷240（26）9.68÷16（27）3.85÷0.76（28）53.3÷4.7（29）56.29÷6.1（30）28.74÷313、得数用循环小数表示。（31）0.2÷0.06（32）13÷11（33）30.1÷33（34）17÷1578÷38））67.8÷11（））7.8÷2.2（365.52÷9（37（35三、脱式计算。40.2×2.7÷16.2（24.8÷32）÷77.32-4.37×0.84.05÷0.05÷0.817.62÷0.16-0.168.75÷（12.5×7）72÷[1.44×(0.1－0.05)]0.432÷（6.21-6.09）4.8÷0.4-2.1÷21[(8.1－5.6)×0.9－1]÷0.59.28÷（2.1-1.7）÷2.56.4÷［（４.３＋2.1）÷0.8］3.4÷[(1.2+0.5)×5]0.20.28×42÷(5.25÷0.25)0.412.6÷12.5×0.8)5.280.8×13－3.12＋118－(11.4－四、简便计算。1.25×5.7×810÷0.2÷2.55.6×12.59.42+2.8×0.254.5×991.986.5×3.2÷5÷0.21.56×1.7+0.44×1.711.72-7.85-1.721.8×25+12×55.5×8.2＋0.18×550.25×0.089×48.8×1.252.61－6.54.5＋2.61×2.61×4.3÷2.5÷0.42.35×4.64＋0.536×23.512.5×1.36×0.80.4310132×1.01－0.1×3.2643.5÷15－3.5÷152.6×10.14.04-4.04÷2.023.54×0.4÷3.54×0.45.74×9.9+5.744.83×101-4.835.91-5.91÷32.5×3.6×0.912.5×0.3×8.81.25×(100－8)3.5×1.02+35×0.0983.4×1.018.4－8.4×1.5÷1.812.5×4.5+4.5×12.5+12.51.2×982.4×1.25×0.30.27×99＋0.27-2-50×(6.7×0.02)（0.25＋2.5＋25）×0.413.5÷2.5÷0.125÷0.4÷82.5×3.2×0.1256.8×0.75÷0.513.75÷0.125–2.751.53+23.4÷7.222.9－13.68＋12.684.7×11－4.7(65)28.8×6.3－6.3×18.8(66)4.8＋5.2÷4(67)5.37—（2.37＋1.8）(68)10.01－2.78＋1.59(69)2.85÷1.25÷0.8(70)10.5×0.25×12(71)3.7×91.6+7.3×91.6－91.6(72)3.2×0.82＋3.2×1.18(...
