青岛版五四制四年级上册数学口算练习题500道

1、实用文档口算练（500题）138 89 =5400 +54 =200 X34 =550 450 =18000+600=2700 +30=45 X 14=89+100=0.82+0.08=73 X1 =0.63 X10=4+10=17 +1000=0.56+0.4=80 X25=1-0.93=1.25 X100=5.6+99=100 +25=90-0.9=41 X100=8800 +400=0.12 X10=600 + 30=7.59 +100=150+70=356-98=125 X8=612 +6=12X80=1.5 X 100=840 +40=0.125 X 100=8 +100=2.3+3

2、.6=0.28+0.12=7.3+2.7=75-3.4=1-0.35= 3.6 +10=5.6+2.3+0.7=5X 17X2=154-73-27=1000 X25=24 X0+12=7.06 X2.5 X10=65.8；+100=91.05 +1000=0.05 X 1000=300 +15=14 X60=5400 +600=0.5+0.4=345+298=0.9-0.3=0.35+0.43=2.8-1.2=0.81-0.19=9.7-7=7.8+2.2=1-0.37=4X (25+50)=32.8+ 19=1000X0.8=3.06 +0.2= 310X 5X2=0.51 +17=240+

3、30=8X 125=0.67 + 1.24=7-6.28=8.2 -0.01=99X23=50X4=5+ 1000=0.42 +9.5=10X0.5=65 X 25X4=0.08 +100=1.82 -0.63=4.5+ 1.5=1-0.63=231-99=3.7 +2.5=1.3 -0.7 =32+268=2.4 +0.6 =7X99+7 = 120+6 +2=70=9100 +1-0.2=145-99=102X5=3.12+5.2=.5 X60=11.3-8.6=0.23 X400=0.59+0.22=实用文档35=0.49+0.61 =60+0.5=2 -0.29=45+15-45+15

4、=1.2=5X 3.3 X0.2=+ 25 + 8=416 + 8=8=0.9 -0.26=457+198=5.4-2.5-1.4=5.5 X3=2.1 +30=821 -202=756 197=0.36 +14.5-9.5=4001.25 X3X0.25 +50=30.2 X5=125 X16=7X( 10+0.5 )(0.18+0.9) +9=16.4 (3.5+6.4 )8.3 +2.5 +0.4=0.6+0.6 X99=12.6+5.3+6.4=9.6 +0.4 +5=6X 1.4+6 X 4.6=0.8 +(0.4 X0.2 )0.74 +0.001 =5.4-2.5-1.4=2-0

5、.35-0.65=6.4+1.07-0.47=420实用文档2.4 X 0.2=0.64 +0.16=55 X80=11.7+2.3=735-298=810 +27=10-8.25=3200 T400=360 + 120=1.29-0.18=15 X (100+3)=0.6+5.47=36+54=200=398+294=500-12=250 X40=800=97-59=64 X4=998-299=240X400=54-15=7=299+455=1560=9100 + 700=900 + 50=17+49=25+68=542-298=620-290=100-79=860-370=0 +38=67

6、0-540=894-399=7000 +125 X140 XX152-46=68 X101 =19X40=47 X4=95-64=40 X19=95 X2=590+30=1100 +50=83-25=997+674=500=44X6=60=3200 +200=4200 +30=5500 +7+75=71-17=60-52=900 +60-36=10000+50=500-27=6600 +110=91-23=22X50=0 X 346=125X32=21 X500=1250 X4=439+61=392+208=188+702=15X400=200-47=289-98=X 50=66+25=239

7、+42=6565X2=5 X45=650 +13=740370=75 X 40=140 +30=9600 + 3200=2 X95=200-104=15+97=58 +2=72 +4=1000-37=6000 +150=101+52=47-19=540X5=740 X 6= 20000+ 500=28 X300=25 X12=43 X 50=530-250=600 +120=185-86=90 +6=700-7=120+390=64+36-58=0X 38X25=2X 96X5=(18+25) X4=7 X125+125=100 X7+7=90-69+27=410-350-20=25X(100

8、+2)=95 X (100-1)=7 X4(40+7)=645-(500-1)=870-130-150=53-38-14实用文档3=2.4-1.7=19X6+11X6=827-59-241 =678-372-28=17+15+18=5000+4000-300=310+260+420=28 X 3+16-4=(120-30 X2) +4=(30 X 5+30) X 5=420 X18+580+180=75+(18+14-27)=900 + 6- 520 + 40=60-60 + (4 X3)=87 + (20+30-47)=90+90 +(48+ 8)=65+ 5+3X 9=8.2+0.54+0

9、.46=6400 + 200=250 X8=3.9+2.03=250-160=560 + 40=8 X 27X 125=12 X700=1-0.2=(180+20)+ 5=1000=1260 + 30=7 X19+7=25 X18=14.5 +100=(150+50) X8=490 + 35=14.5 +100=42 X8X4=272-97=1.29-0.18=8+0.4=40=180 +5 + 4=198+27=2.5+3.2=103 X(22+78) X7=160 X实用文档8-5=2.4-1,8=0.25+0.75=86.2+15.8=13+3=(25+24) X 4=8-2.5=175

10、-35=420-150=9+0.1 =.09=8X (125+50)=610=4=89+100=4+ 10=0.56+0.4=1-0.93=4X (25+50)=10=2.5 X10=1000=0.81-0.19=9.7-7=46+49+51=174-48-52=1.05-0420 +0.6+7.45=200 + 8=73 X 1 =17+1000=1.25 X 100=5X2=90-0.9=300 + 15=2.8-1.2=72 X4+28X20-19.7=0.82+0.08=7.06 X 100=0.63x 10=5.6+99=100+25=5400 + 600=345+298=7.6 +

11、65.8 + 100=91.05 +0.05 X 1000=14 X60=1-0.37=0.9-0.3=7.8+2.2=0.5+0.4=0.35+0.43=5.实用文档6.7+3=40 X 60=84021 =24 X50=1-0.08=621-199=7.8+2.2=750-260=360+640=12-1.46-0.54=5.6+2.3+0.7=8800 + 800=110X600=25 X6=30 X 270=90+15=17575=57亿+ 13亿=61万25万=1144+102=320-168=40X23X5=9X 125X8=430 270=376-198=2.5+3.2=9.9

12、4.8=8-0.72=0.25+0.75=38 X 19 + 38=780 +30=25 X 4 =400X5 =12X200=60 X 25=300 X15=900 + 30=7=53 X5=640 + 40=960 + 60=42 X 50=0.6 0.47=25X8=1-0.06=0.8 +4.7=0.75 X 100=5.6 +100X10=10=0.08 +1.22=45 万+256万=7.4 X1000=4 X (25 X 7)=1000=720 +60=1-0.93=800=760-450=+ 19万=98-49=82万-54万=720 + 30=190=90+15=578=50

13、=580-410=1000-620=38+90=64万+ 34万=340+270=15=24=630+ 45 +2=X24X5=90 X 60=670-500=76万410-203=320+60=7 X9-7X9=510+30=38+90=230 万-70 万=340+270=720 + 12=380 56=196 +68=410-203=7 X9-7X9=7200 + 8=72 +18=720 + 12=720 +48=299+435=430 +130 X860-47=72 +18=18万+23万84万48万=0 + 578=96 +16=98-49=125 X260-98=253.7 +2.5= 120 +6 + 2=960 +48=431+199=362-103=360 -8-5=25X 32=720 -