四年级寒假口算题.docx

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1、四年级口算题1.54+0.38+2.46=10-6.04=56.7+100=6.2-3.4=101X20=7200+24=0.26+0.4=25100=0.63100=0.08X10=3.6+10=25X8二8.4+0.6=2.8+6.6=5.5-2.3=13-1.7=6.5-1.5=5.6+3.6=10-4.6=12-50-40+8=11-0.17X1000=0+39=2.5+100=2.8-0.9二63-23+27=7.9+1.1=5+100=4.31000=20-2.45二1.4-0.9二5.5+5=12.56+5.84=425+254=5+0.3=251+499=10-6.5=60+1

2、00X1000=0.620.38二320+40二13.65-7.83=35+53=125X4=20.5+10=128+128=O.97-0.65二140+35=360+40=240+60+4=0+74=270-50=(4+0)50=55+5=760=67+67=35+75=32+44+68=24X50=468+468=97-970=6000+8+125=137-56-37=2538=23X99+23=235-(35+27)=7.5-4.3=2.18+6.72=13.5-1.5=O.47+6=9.6-3.5=6.3+3.6=O.95-0.32=2.4+7.3=125=425=1258=56+8=

3、450+18=52+48=100-58=0+78+78=6000+125+8=57+13-57+13=O.3+4.5=6.092.1=40-40+8=O.3310+100=7.6-2.4=1-0.99二10001.09=156+156=0.23+3.7=2.56-1.5=1-0.45二0.9+0.99=25X40二1.7XlOO=12558=24X4+24X4二25X16二2.6+4=6-3.7=65+350=3.75-1.3=24125=9100=64-24+3=O.260.44=10.8-5.3-4.7=7.04100=12538=58X0+45=75+10=53+53=3.8X10+10

4、0二10-2.5=24X6+24=72X2=35007=O.12XlOOO=5.6100=6.4+0.9=4.03+5.7=5.5-2=1-0.02=50X8+25二24+16+4=2.3+0.8=5-3.9=2.58-0.5=38062=3.7X1000=125+100=12+89=2. 2+7. 8-7. 8+2. 2=25 8=30+67=35 2=3-0. 4-0. 6=24X5二80+16=45 3=(15+8+22)+3=23. 1-9. 2二0+9=7. 2+8=99X66+99=4. 7+3. 5=10-3.75=44X5二32+168=0.96+0.33=28-180=2.4

5、+0.9=1.96-0.51=497X0+7=4.5+12.6=540+9=90+18=750+(20-15)=1-0.04=1.2510三652=11-543-26-84=12580=1000.624=5-3.6二4.5-2.7=3.2+100=6-3.3二14X6二62-56=98.56-14.75=1804=1258=501000=543-27-43=390+30=2-0.8=O.28XlOOO=O.96+10=0.9-0.23二O.13+0.3=2.9-1.85=2.17+0.9=159+15=1258+1258=0.28+0.2=8585=25X4二99+99=39+39X7=99X

6、6+6=75+254=0595=105.87=89.71+100=O.4+6=1.8+10=0.3+5.7=8.8-8=370+5+2=47+100=10-0.7=14X3二3.091000=4.6+5.4O=258=11.7+2=3.3100=6-1.3=4.5+3.6=960+80=2450三75-25+5=0+36=O.29XlOOO=8.84-0.84二184+184=1258=42060=24X5二394+45=O.07XlO=50100=2.6+3.8=10-1.2=4.55+0.45=8.06+10=4080=IL7+2=48.3+10=O.729XlOO=438+101=258

7、=237-105=20X47二0+72=5-2.7=O.2+0.98=10-0.94二25174=49052=3.9+4.4+6.1=20-20+5=017=4229=91-52=8.99-3.84=2.7+3.2=5.4210三5-2.7=2450=2580=O.121000=16.9-4.6=24X20=3.7+1.6=2-1.6=O.38+0.5=O.91+0.09=320-90=96016=5-2.62=1.810100=2.5+0.9=4.7-2.8=078=7297=O.3XlOOO=8-1.6=0260=13.2-1.5二0.42+1.87=1.26+0.4=3.7XlOO=O.

8、48+0.52=O.510=5.2-4.5=0100+121=20800=4200100=23+4.7=10-2.3=1.06+9.4=205=354=078=45100O=2540=48060二8125=O.56+0.4=2.03-1.8=80025=10139=3006=4.38100=O.6-0.45=1+1.31=9.5-0.05二4-0.32=2.4-1.6=O.08+0.92=6.8-4.2二9.38-0.07=7+2.9=4.6+7.5=10.06+0.4=1255=O.75+4.9=8.IXlOO=235-111=1354=24.9-1.9=2106=6810=3002=5-3

9、.7=5688=3.8+6.2=3.4-2.3=O.18+0.81=7.3-2.4二1.0610=12.3-4.5=922=11+0.8=3.07+1.6=9100=20180=254=1258=405=1-0.16=81000三258-50-58=2520-20=6398=28+85+15=2.5-0.8二300-67=2595=900100O=1.008XlOO=l100=O.38+0.62=10-8.9=1.35+0.65=4.8+0.32=2.7+3.5=2.3+4.7=O.34+0.25=4.7-0.07二10-4.5=8.2-4.2=O.72+5.1=3.9-1.9=O.64-0.

10、37=9.3+1.07=6.5+7.8=O.14+0.35=10.510=2.7100=2100700=47100=1.37+0.63=4050=35100三7.9-4.6=O.12100=6.66+0.4=3.8+1.2=154=O.68+0.06=5.20.48=1-0.73=3.6+4.8=O.78-0.28二20.9-9.7=32+268二3.8+0.12=0.01+0.1=4.9+5.1=64040=8.7-7.8二7.3XlOO=0.3100=273-198=0234=3005=2.7+6.5=700XO=7.32-1.11=18.3-10.6=41X3二4.8+3.16=21.3+8.7=6.7-3.1=1.8-0.25二8.5+0.4=1.43+3.2=1.62+2.38=