小学五级上册小数口算练习题.doc

-一、. z.-2.5÷5=0.012×100=0.005×40=50÷0.01=7.5×200=32.08+0.07=7.005-3.58=5÷0.005=1.8÷9=0.18÷0.9=0.75+10.05=78÷0.01=. z.-二、. z.-9.6÷0.1=8.05÷0.1=0.1÷0.01=0.023×1000=41×100= 8800÷400= 0.12×10= 600÷30= 7.59÷100= 150+70= 356-98= 125×8= . z.-三、. z.-10×10.002=5.06+0.56=61.21-5.22=25.25-0.251=3÷0.5= 10÷25= 4.8÷0.16= 0÷3.89=1.5÷0.3=1.8×5=7.2÷0.9=8.4÷0.4= . z.-四、. z.-0÷3.5= 0.9×0.3= 1×0.06= 9×0.5=1.25×8= 2.6×3= 4.1×2= 0.35×0.2=0.25÷40=50÷1000=45.03+0.52=14.1-10.02=. z.-五、. z.-5.6÷0.8= 5.6÷1.4= 0.48÷0.8= 4.4÷0.11= 4.2×3= 3.2×0.4= 0.3÷0.01= 4÷0.5= 87.01+0.99=58.02+1.003=125×0.0008=1.25×0.8=. z.-六、. z.-60.025= 3.66.3= 0.05×4= 3.5×0=35.06-23.12=71.1-0.01=71.1÷0.1=71.1+0.01=5400÷5= 200×34= 550450= 180÷600= . z.-七、. z.-2700÷30= 45×1.4= 8÷100=89÷100= 4.68+7.10=9.63+6.28=7.71-2.69=9.91-8.74=6.07-1.69=5.00+6.13=8.24-7.63=5.21+5.49=. z.-八、. z.-40×0.25=4×0.4=7.5÷0.25=4.2÷0.7=3.5÷0.01=3.5×0.01=35÷1000=0.35÷0.01=8.21.8=10035.22=2.5×0.4=2.4×5= . z.-九、. z.-0.22×4= 0.90.52= 3.99×1= 0×3.52= 2.5÷5= 8.4÷7= 0.34÷17= 2.5÷0.5= 8.4÷0.7= 0.34÷0.17= 30.4÷4= 1.2×6= . z.-十、. z.-0.72÷0.6= 2.6÷1.3= 0.6×0.3= 0÷3.65= 7.82÷1= 0.001÷0.1= 1.4÷0.7= 3.6÷0.06= 80×0.125=400×0.005=12.5×0.1=12.5÷0.1=. z.-一、. z.-50×0.002=2.5×0.01=400×0.04200×0.001=5.1÷0.17= 0.28÷1.4= 0.9÷0.45= 9.6÷16= 41÷0.01= 0.01÷1= 7.5÷1.5= 0.81÷9= . z.-二、. z.-7.5×0.1= 0.9×0.3=0.35÷0.0013.5÷0.5=1×0.06=9×0.5=1.25×8= 0.2×0.4= 4.5÷0.9=2.5×4=12.5×4=0.3÷0.1=. z.-三、. z.-4.5×2= 7.8+0.22= 3.4×0.4= 12.60.9= 481.6= 1.1×40= 2.2×6= 1388.9= 0.35÷0.1=0.36×0.01=75.35-23.04=4.007-0.09=. z.-四、. z.-27÷0.027=2.1÷0.01=2.004÷0.2=50.1+21.51=0.82+0.08= 273×1= 0.63×10= 4÷10= 17÷1000= 0.56+0.4= 80×25= 1-0.93=. z.-五、. z.-1.25×100= 5.6+99= 40100÷25= 90-0.9= 51÷0.001=35×0.001=54÷0.1=54×0.1=54÷1000=25.23+0.77=98.54-63.45=30÷0.003=. z.-六、. z.-612÷6= 12×80= 1.5×100= 840÷40=8.94-6.73=8.95-0.73=3.61-0.30=7.78-5.15=8.38+4.25=7.82-2.37=7.39-7.03=8.56-7.52=. z.-七、. z.-3×2.4=92÷46=8.1÷9=2.5×4=9.21-8.20=6.88-0.49=8.06-6.96=2.76-1.02=3.50-2.54=0.66+9.27=8.99-8.84=3.18-2.65=. z.-八、. z.-6.39+9.31=4.83-1.34=5.75-1.24=6.77-4.79=0.94+3.40=3.54+7.84=9.45-3.01=0.09+0.87=3.08-0.91=5.43+4.85=8.16+3.44=8.14-5.89=. z.-九、. z.-2.5÷5=0.012×100=0.005×40=50÷0.01=7.5×200=32.08+0.07=7.005-3.58=5÷0.005=1.8÷9=0.18÷0.9=0.75+10.05=78÷0.01=. z.-十、. z.-4.68+7.10=9.63+6.28=7.71-2.69=9.91-8.74=6.07-1.69=5.00+6.13=8.24-7.63=5.21+5.49=40×0.25=4×0.4=7.5÷0.25=4.2÷0.7=. z.-一、. z.-4.5×2= 7.8+0.22= 3.4×0.4= 12.60.9= 481.6= 1.1×40= 2.2×6= 1388.9= 0.35÷0.1=0.36×0.01=75.35-23.04=4.007-0.09=. z.-二、. z.-8.21.8=10035.22=2.5×0.4=2.4×5= 0.22×4= 0.90.52= 3.99×1= 0×3.52= 2.5÷5= 8.4÷7= 0.34÷17= 2.5÷0.5= . z.-三、. z.-1.25×8= 2.6×3= 4.1×2= 0.35×0.2=0.25÷40=50÷1000=45.03+0.52=14.1-10.02=5.6÷0.8= 5.6÷1.4= 0.48÷0.8= 4.4÷0.11= . z.-四、. z.-481.6= 1.1×40= 2.2×6= 1388.9= 0.35÷0.1=0.36×0.01=75.35-23.04=4.007-0.09=17÷1000= 0.56+0.4= 80×25= 1-0.93=. z.-五、. z.-1.25×100= 5.6+99= 40100÷25= 90-0.9= 51÷0.001=35×0.001=54÷0.1=54×0.1=8.21.8=10035.22=2.5×0.4=2.4×5= . z.-六、. z.-0.22×4= 0.90.52= 3.99×1= 0×3.52= 20÷0.1=20÷0.1=1÷20=0.1÷20=54÷1000=25.23+0.77=98.54-63.45=30÷0.003=. z.-七、. z.-612÷6= 12×80= 1.5×100= 840÷40=8.94-6.73=8.95-0.73=3.61-0.30=7.78-5.15=4.68+7.10=9.63+6.28=7.71-2.69=9.91-8.74=. z.-八、. z.-1×0.001=1÷0.001=0.001÷1=0.001÷0.1=3.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42= 8.1-5.1= 0.728-0.24= 0.8+0.18= . z.-九、. z.-0.89-0.25= 1-0.98= 0.048+0.52= 5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 0.96÷0.8= 0.8×7= 1.5×7= . z.-十、. z.-1.32×8= 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 2.01×0= 10×0.05= 0.13×7= 0.21×100=0.7×4= 0.05×4= . z.-一、. z.-4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09= 0.2+0.78= 600×700= 10.2+0.02= . z.-二、. z.-0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= . z.-三、. z.-0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38=7500÷250= 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3=630÷9= 4.5-0.4= . z.-四、. z.-9.5-5= 330×9= 9.53-1.53= 9.5-0.5=3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= . z.-五、. z.-0.74+0.16= 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12=0.25×100= 3.4-2.8= . z.-六、. z.-0.6-0.37= 0.052×10=10+0.08= 1-0.75= 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= . z.-七、. z.-0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= . z.-八、. z.-3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= . z.-九、. z.-9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= . z.-十、. z.-2.7+0= 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1=2.5×2= 0.5×10= . z.-0.6×8= 一、. z.-2.8×10= 0.7×0.8= 5.6+0.4= 4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32= 0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= . z.-二、. z.-0.75÷0.25= 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9= 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13= 1.64+4.1= . z.-三、. z.-10÷20= 24÷15= 0.35×0.6=4.7+2.3= 4.5×2= 6.92.5= 7.2×0.8= 6×3.4= 0.620.32= 1.4×0.5= 0.75×100= 0.02×0.5= . z.-四、. z.-3.6÷0.3= 6.3÷7= 5.6÷100=0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2= 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷24= . z.-五、. z.-0.8×1.1= 7.2+12.8= 46.73.8=12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 0.35×0.6= 3.08×0.01= . z.-六、. z.-4.95×1000= 6.9×0.1= 0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8= 0.56÷0.7= . z.-七、. z.-0.125×4= 3.28×0.1= 3.9÷0.13=7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8= 1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7= 0.22×102= . z.-八9÷0.25÷4= 0.25×3.97×4= 1.28.8×0.4= 0.24×0.5=4.7+2.3= 4.5×2= 6.92.5= 7.2×0.8= 6×3.4= 0.620.32= 1.4×0.5= 0.75×100=九、0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=十、2.4×0.5= 0.8×1.1= 7.2+12.8= 46.73.8=12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=10÷20= 24÷15= 8.65×10= 0.35×0.6=一、3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=二、0.  56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=三、9÷0.25÷4= 0.25×3.97×4= 1.28.8×0.4=5.6÷1.4 0.48÷0.8 4.4÷0.114.2×3 3.2×0.4 0.3÷0.014÷0.5 5.1÷0.17 0.28÷1.4四、0.9÷0.45 9.6÷16 1÷0.01 0.01÷1 7.5÷1.5 0.81÷93÷0.5 10÷25 4.8÷0.160÷3.89 3.52÷1 37.2×9937.2=五、6.4÷4 1.5÷0.3 1×0.4÷1×0.4=1.8×5 7.2÷0.9 25×4÷0.25×4=2.2×6 8.4÷0.4 9÷51.9÷54.5÷0.9 2.5×4 25×3.3×0六、2.5×4 0.3÷0.1 37.2×9937.24.5×2= 7.8+0.22= 20.640.363.4×0.4= 12.60.9= 21.640.361.2÷0.04= 0.42÷7= 1.25×3.3×0七、0.92.01= 2.97÷100= 203.77.3=6.3+7= 2.199.1= 5×0.75÷1.5×0.75=0.65×0.2= 9.8-0.98= 1-0.1×0.1=0.7+3= 1.2×0.8= 0.9×7+10.7=八、6.3÷0.021= 1.5÷0.03= 6.8-2.4÷3=5×0.7= 0.43×5= 3.6÷0.9-4=3.6-0.36= 8.1-2.2= 0.6÷0.3+0.5=6.88.6= 9.4×0.2= 1.8÷0.9×0.5=21.08= 8.8÷0.4= (1.6+0.5)÷5=一、43×0.01 3.72×0.2= 0.7×8-0.6=990.1 3.2-2= 6×0.125×8=1.9×4 8.8÷0.11= 4×1.2×0.25=0.125×8 1.8×40= 2.5-3.6÷1.8=二、2.3÷0.1 8×5.1= 12-0.05×4=4.2×3 2.01÷3= 16-4.5-5.5=1.8÷0.3 3.72÷4= 13-0.5-4=1.1×0.7= 2.32-0.4= 1.9+5.1÷51=三、3.2×50= 3.2×0.5= 1×0.01÷0.1=1.25÷0.5= 1.29÷3= 7.2-1.2+6.7=1.2×3= 2-0.8= 55×0.06= 0.01×100=0.52+0.08= 2÷5= 8×0.03= 四、30×0.01= 0×1.22= 0.6×5= 1.2-0.9=0.54÷0.6= 0.26×0.3= 1÷0.05= 20×0.4=2.8+10.2= 7-0.9= 0.55+0.3= 0.8+0.2=五、16÷0.4= 0.14×5= 2.5×4= 15.3-10=3.3+7= 6÷10= 0.86+2.1= 40.37+4=3.2÷0.8= 0.45+0.55= 6.4÷8= 10.7-5.7=六、24÷2= 96÷6= 78÷2=       78÷3=     48÷4=48÷3=    28×2=    3×26=       16×4=     48×2=3×19=   12×5=     27×3=       4×24=      248=七、6759=  4528=   5417=    12×3=     15×6=14×4=    37×2=    36÷3=      90÷6=     56÷4=74÷2=   13050=   5326=    10037=   9557=八、36÷12=   90÷15=   56÷14=     74÷37=     15×5=48÷16=    76÷2=    90÷45=     12×7=      5×14=64÷4=   6×16=      91÷7=    84÷6=    60÷12=九、96÷24=  320÷40=   450÷90=   560÷70=   14×7=77070=   5149=  8318=  89035=  4×24=32÷2=    96÷8=     85÷5=    64÷16=    70÷35=一、25×4=    6×15=    4852=   70÷14=    5×14=12×30=  7327=  40×20=   80÷20=    1486=480÷80=  60040=  150÷50=  630÷70=  36÷2=二、550÷5=   15×6=   300÷60=   16×3=     70÷5=2×45=   13×4=   54+87+13=  39+144+61=  567+299=327198=   27×4×5=   18×35=   32×25=   15×28×2=三、32×30=    22×30=  6×201=    17×5=     4×60=4500÷900=   170+90=   4800÷40=   14×201=   80÷16=4200÷20=   2500÷50=   16×5=     32×20=    67×4=四、2400÷40=    3600÷60=    87÷3=   25×16=    48×9=696÷3=     125×6=    48×25=    780÷20=    7245=36085=   720÷45÷2=   3000+200=  48×125=  35×8=五、804=   420÷35÷2=    25×32=   45÷15=   78÷2=45×12=    6×85=   69÷23=    67+25=   710420=50×90=    22×8×5=   12×5=    6300÷30=   690420=六、3000÷5 120÷4 240÷8 32×3 17×527×3 18×4 19×5 16×6 17×488÷8 17×3 16×4 200×6 14×5七、3.41.4=                  7.827.2=               2.199.1=10.10.89=              0.680.42=              8.15.1=0.7280.24=