小学五年级数学口算精选800题.docx

1.45+15X6=34.25 X 9X4=67.80+40 =2.25. 0+5X8=35.200- 33X3=68.100 + 20 =3.6 X 5-2X4=36.3020-1010=69.100 +4 =4.30 X 3+8=37.12 X 50=70.240 +40 =5.400+4+20X 5=38.25 X 8=71.920 +4 =6.10+12 + 3+20=39.23 X11 =72.300 + 60=7.(80 +20+80) + 4=40.125 + 25=73.64+2 =8.70+(100- 10X 5)=41.4200-2200=74.64+4 =9.360+40=42.220+80=75.50+5 =10.40 X 20=43.20 X 8X5=76.60+8 =11.80-25=44.600- 3X200=77.96+4 =12.70+45=45.20+20 + 2=78.90+6 =13.90 X 2=46.35- 25+ 5=79.400+80 =14.16 X6=47.36+8-40=80.400-80 =15.300X6=48.2800 + 40=81.40 X 80 =16.540 + 9=49.98 + 14 =82.400 + 80 =17.30 X 20=50.96+24 =83.48 + 16 =18.400 + 4=51.56 + 14 =84.96+24 =19.350-80=52.65 + 13 =85.160X5=20.160+70=53.75 + 15 =86.4 义 250=21.18- 64+8=54.120 + 24 =87.0 X 518=22.42+6+20=55.200 + 25 =88.10 X 76=23.40- 5X 7=56.800 + 16 =89.36 X10=24.80+60 + 3=57.840 + 21 =90.15 X 6=25.41+18 + 2=58.560 + 14 =91.24 X 3=26.75- 11X5=59.390 + 13 =92.5 义 18=27.42+7-29=60.600 + 15 =93.26 X 4=28.5600 + 80=61.72+24 =94.7 义 15=29.25 X16=62.85 + 17 =95.32 X 30=30.120X25=63.90 + 15 =96.40 X15=31.36X11 =64.96 + 16 =97.60 X12=32.1025 + 25=65.78+26 =98.23 X 30=33.336+70=66.51 +17 =99.30 X 50=100.5 X 700=1.45+15X6 =2.250+5X8=3.6 X 5-2X4=4.30 X 3+8=5.400+4+20X 5=6.10+12 + 3+20=7.(80 +20+80) + 4= 8.70+(100- 10X 5)= 9.360+40=10.40 X 20=11.80-25=12.70+45=13.90 X 2=14.16 X6=15.300X6=16.540 + 9=17.30 X20=18.400 + 4=19.350-80=20.160+70=21.18- 64+8=22.42+6+20=23.40- 5X7=24.80+60 + 3=25.41+18 + 2=26.75- 11X5=27.42+7-29=28.5600 + 80=29.25 X16=30.120X25=31.36X11 =32.1025 + 25=34.25 X 9X4=35.200- 33X3=36.3020-1010=37.12 X 50=38.25 X8=39.23 X11 =40.125 + 25=41.4200-2200=42.220+80=43.20 X8X5=44.600- 3X200=45.20+20 + 2=46.35- 25+ 5=47.36+8-40=48.2800 + 40=49.98 + 14 =50.96+24 =51.56 + 14 =52.65 + 13 =53.75 + 15 =54.120 + 24 =55.200 + 25 =56.800 + 16 =57.840 + 21 =58.560 + 14 =59.390 + 13 =60.600 + 15 =61.72+24 =62.85 + 17 =63.90 + 15 =64.96 + 16 =65.78+26 =67.80+40 =68.100 + 20 =69.100 +4 =70.240 +40 =71.920 +4 =72.300 + 60=73.64+2 =74.64+4 =75.50+5 =76.60+8 =77.96+4 =78.90+6 =79.400+80 =80.400-80 =81.40 X 80 =82.400 + 80 =83.48 + 16 =84.96+24 =85.160X5=86.4 义 250=87.0 X 518=88.10 X 76=89.36 X10=90.15 X 6=91.24 X 3=92.5 义 18=93.26 X 4=94.7 义 15=95.32 X 30=96.40 X15=97.60 X12=98.23 X 30=33.336+70=66.51 +17 =99.30 X 50=100.5 X 700=1.45+15X6=2.250+5X8=3.6 X5+ 2X4=4.30 X 3+8=5.400+4+20X 5=6.10+12 + 3+20=7.(80 +20+80) + 4= 8.70+(100- 10X 5)= 9.360+40=10.40 X 20=11.80-25=12.70+45=13.90 X 2=14.16 X6=15.300X6=16.540 + 9=17.30 X20=18.400 + 4=19.350-80=20.160+70=21.18- 64+8=22.42+6+20=23.40- 5X7=24.80+60 + 3=25.41+18 + 2=26.75- 11X5=27.42+7-29=28.5600 + 80=29.25 X16=30.120X25=31.36X11 =34.25 X 9X4=35.200- 33X3=36.3020-1010=37.12 X 50=38.25 X8=39.23 X11 =40.125 + 25=41.4200-2200=42.220+80=43.20 X8X5=44.600- 3X200=45.20+20 + 2=46.35- 25+ 5=47.36+8-40=48.2800 + 40=49.98 + 14 =50.96+24 =51.56 + 14 =52.65 + 13 =53.75 + 15 =54.120 + 24 =55.200 + 25 =56.800 + 16 =57.840 + 21 =58.560 + 14 =59.390 + 13 =60.600 + 15 =61.72+24 =62.85 + 17 =63.90 + 15 =64.96 + 16 =67.80+40 =68.100 + 20 =69.100 +4 =70.240 +40 =71.920 +4 =72.300 + 60=73.64+2 =74.64+4 =75.50+5 =76.60+8 =77.96+4 =78.90+6 =79.400+80 =80.400-80 =81.40 X 80 =82.400 + 80 =83.48 + 16 =84.96+24 =85.160X5=86.4 义 250=87.0 X 518=88.10 X 76=89.36 X10=90.15 X 6=91.24 X 3=92.5 义 18=93.26 X 4=94.7 义 15=95.32 X 30=96.40 X15=97.60 X12=4 / 167.1 X0.25 X4=3.2 X2.8+3.2 X7.2=7.5-(2.5+3.8)=9+0.25+4=50+ 160+ 40=120-144+18+35 =(58+37) + ( 64-9 X5)=178-145 + 5X6+42=812-700+ (9+31X 11)=85+14X ( 14+208+ 26)=8.9 X 1.25-0.9 X1.25 =9.9 X6.4- (2.5+0.24)=0.35 X 1.6+0.35 X3.4 =0.45+6.37+4.55 =5.4+6.9 X3- (25-2.5 )=0.8+0.8 X2.5 =28X12.5-12.5 X20 =1.65 X 99+1.65 =27.85- (7.85+3.4 )=7.8 X 9.9+0.78=3X9146X 782X6X854 =120-36X4+18+35 =(58+37) + ( 64-9 X 5)=0.12 义 4.8 +0.12 X4.8=(3.2 X1.5+2.5 ) +1.6=7.2+0.8-1.2 X5=6.5 X (4.8-1.2 X4)=10.15-10.75 X0.4-5.7=32.1025 + 25=65.78+26 =98.23 X 30=33.336+70=66.51 +17 =99.30 X 50=100.5 X700=0.9X0.4X10=0.68X8X 1.25=16.4X2.9+16.4 X7.1 =1/6 + 1/2 -1/6 = (1.2+8.8) X 0.4=0.25X 3.97 X4=(58+370) + (64-45)= 347+45X 2-4160+ 52=95+ (64-45)=420+580-64X 21 + 28=(136+64) X (65-345 + 23)= 1.2X2.5+0.8 X2.5 =12.5X 7.4 X 0.8 =6.5X9.5+6.5 X0.5 =6.72-3.28-1.72 = 4.8X 46+4.8 X54 =2X 41846-620-380=1.25X 3.6 X 8X2.5-12.5 X 2.4 =23.65-(3.07+3.65 )=(4+0.4 X0.25) 8X7X1.25 =48X 1.25+50 X 1.25 X 0.2 X 8 =(1010+309+4+681+6) X 12=5.15X 7/8+6.1-0.60625=(284+16) X ( 512-8208+18)=(6.8-6.8X 0.55) +8.5=6-1.6+4= 5.38+7.85-5.37=3.2义(1.5+2.5 ) +1.6=6-1.19X 3-0.43=0.68X 1.9+0.32 X1.9=5.8X (3.87-0.13 ) +4.2 X3.74=32.52- (6+9.728 -3.2)2.5=(7.1-5.6)X 0.9-1.1512X6 + 7.2-6=5.4一 2.6X (3.7-2.9 )12X6+ ( 12-7.2 )-6=0.25X3.97 X4=(1.2+8.8) X 0.4=120-144-18+35方程:+ 2.5=+0.62=88x+43=8579 x=9750x-99=3101 x=6436x+58=2974 x=8180x+17=1777 x=2213x+25=1247 x=9417x-37=609 x=3889x-31=4063 x=4688x+30=2758 x=3127x+40=445 x=1580x+85=565 x=683x-90=1653 x=2149x+43=827 x=1629x-35=545 x=2099x-98=6139 x=6397x+81=954 x=995x+94=1044 x=106 / 1692x+67=1079 x=1138x+45=2021 x=5262x+77=6153 x=9838x-15=2037 x=5444x+23=1387 x=3110 / 1683x-38=4444 x=5464x-67=2813 x=455x-96=94 x=3860x+83=3203 x=5221x+90=489 x=1984x-56=4732 x=5722x+23=2135 x=9626x-61=2513 x=9937x+28=509 x=139x+86=500 x=4667x+39=5466 x=819x-48=744 x=8843x-94=637 x=1772x+15=7071 x=9883x-63=7656 x=9338x-69=2933 x=7947x+64=1944 x=4023x-40=696 x=3238x+38=1178 x=3048x-92=1684 x=3768x+91=4103 x=5939x+52=2470 x=6253x+65=1443 x=2656x-86=2770 x=515x-67=48 x=2396x+95=3935 x=4046x-74=4112 x=9121x-70=1988 x=9874x-34=6700 x=9117X40=0.4 X 0.8 =1 + 5=10063=4X0.25 =6+12=3.2 +1.68 =0.36 + 1.54 =0.87 -0.49 =2.8 X 0.4 =1.01 X99=17X 40=14- 7.4 =420+ 35=100 63 =1.92+0.04 =25X12=3.2 +1.68 =0.32 X 500=135+ 0.5 =2.8 X 0.4 =0.65 +4.35 =3/4 + 1/4 =14- 7.4 =10-5.4 =2 + 4/9 =1.92+0.04 =4+ 20=3 - 2/3 =0.32 X 500=3.5 X 200=3/4 - 1/2=0.65 +4.35 =1.5 0.06 =1/6 + 1/2 -1/6 =10- 5.4 =0.75 + 15=7.5-(2.5+3.8)=4+ 20=3.5 X 200=7/8 + 3/8 =3.5 X 200=0.36 + 1.54 =3/10 +1/5 =1.5 -0.06 =4X0.25 =4/5 - 7/10 =0.75 + 15=1/6 + 1/2 -1/6 =2 - 1/6 -1/3 =0.4 X 0.8 =7.5-(2.5+3.8)=0.51 +17=4X0.25 =7/8 + 3/8 =32.8 +19=0.36 +1.54 =3/10 +1/5 =5.2+ 1.3 =1.01 X99=4/5 - 7/10 =1.6X 0.4 =420+ 35=2 - 1/6 -1/3 =4.9 X 0.7 =25X12=0.51 +17=1 + 5=135+ 0.5 =32.8 +19 =6+12=3/4 + 1/4 =5.2+ 1.3 =0.87 -0.49 =2 + 4/9 =1.6 X 0.4 =17X40=3 - 2/3 =4.9 X 0.7 =100 63 =3/4 - 1/2=1 + 5=3.2 + 1.68 =1/6 + 1/2 -1/6 =6+12=2.8 X 0.4 =7.5-(2.5+3.8)=0.87 0.49 =14-7.4 =7/8 + 3/8 =17X40=1.92+0.04 =3/10 +1/5 =10063=0.32 X 500=4/5 - 7/10 =3.2+1.68 =0.65 +4.35 =2 - 1/6 -1/3 =2.8 X 0.4 =10-5.4 =0.51 +17=14- 7.4 =4+ 20=32.8 + 19=1.92+0.04 =3.5 X 200=5.2+ 1.3 =0.32 X 500=1.50.06 =1.6 X 0.4 =0.65 +4.35 =0.75 + 15=4.9 X 0.7 =10-5.4 =0.4 X 0.8 =1 + 5=4+ 20=4X0.25 =6+12=1.01 X99=0.36 + 1.54 =0.87 0.49 =420+ 35=1.01 X99=17X 40=25X12=420+ 35=100 63 =135+ 0.5 =25X12=3.2+1.68 =3/4 + 1/4 =135+ 0.5 =37X 8=2 + 4/9 =14-7.4 =4-0.26 =3 - 2/3 =1.92 +0.04 =0.35 +2.7 =3/4 - 1/2=0.32 X 500=4.6 -1.9 =1/6 + 1/2 -1/6 =0.65 +4.35 =0.83 -0.3 =7.5-(2.5+3.8)=10-5.4 =3+0.05 =7/8 + 3/8 =4+ 20=7.2 -3.8 =3/10 +1/5 =3.5 X 200=0.07 +0.6 =4/5 - 7/10 =1.5 0.06 =1.39 -0.39 =2 - 1/6 -1/3 =0.75 + 15=10- 5.4 =0.51 +17=0.4 X 0.8 =4.7+2.3=32.8 + 19=4X0.25 =7.2 X0.8=5.2+ 1.3 =0.36 + 1.54 =6X3.4=1.6 X 0.4 =1.01 X99=0.62 -0.32=4.9 X 0.7 =420+ 35=1.4 X0.5=2.8 X 0.4 =25X 12=0.75 X100=50+ 2=135+0.5 =0.02 X0.5=78+4=3/4 + 1/4 =3.6 +0.3=24.5 + 14=2 + 4/9 =6.3 +7=49.5 + 3=3 - 2/3 =5.6+100=153+0=3/4 - 1/2=0.75 +0.25=462+5=1/6 + 1/2 -1/6 =0.125 X8=374+10=7.5-(2.5+3.8)=4.8 +0.3=73 +9=7/8 + 3/8 =0.96 +2=10+3=3/10 +1/5 =0.56 +28=27X 3=4/5 - 7/10 =0.36 +0.4=90+15=2 - 1/6 -1/3 =0.64 +0.8=48+4=39X4=0.72 +3.6=640+16=51 X9=3.6 +24=39+3=77X7=0.8 X1.1 =24 X 20=874 义 3=7.2+12.8=32X3=304 X 5=46.7 -3.8=48+16=106X 10=12.8 +4=12X8=178X3=5.2+13=27X 3=78 X9=12.5 +5=56+14=1.573 X6=1.64 +41 =24+8=3.52 X100=10+20=14X 2=3.54 X8=24+ 15=83-45=43.87 X4=8.65 X10=560+80=163X3=0.35 X0.6=96+24=724 X 7=3.08 X0.01 =40+20=43.7 X8=4.95 X1000=40 X 30=46.9 X8=6.9 X0.1 =37+ 26=78X9=0.4 X0.5=76- 39=250X 0.4=2.4 +0.8=605+59=24X5=0.22 X102=30 X 23=104X5=0.47+0.23=12X8=847 义 4=0.25+0.75=27+ 32=8X42=3.7+0.33=48+27=5.78 X92=0.51+0.33=4500X 20=78X2=1-0.6=73+15 =245 X 0=8-4.6=120X600 =306 X 103X0=5.8-3.6=200X360=132X6=0.52+0.4=6800X 400=350X 1000=6.45+5.5=280+270=317 X4=4.5-1.3=4X 2500=1.52 X6=3.4-2.8=6000+ 40=125X0.8=9.53-1.53=5X 1280=302 X 783X0=8.8-6.7=4.3 +2.7 =264 义 8=10+0.08=0.75 + 0.25 =5.76 X9=9.5-7.3=10.8 + 9=3875X0=7.2+0.8=9.6 +0.8=1.854 X0X 100=7.82+0.3=0.108+2=937 义 4=8.8-6.7=4.95 + 0.9=285X4=9.5-7.3=9.65 + 0.1 =134X3=1-0.95=0.325 X100=125X8=3.4-2.8=2.5 X8=25 X4=0.96-0.35=0. 56 +0.7=300X 52=0.35 X0.6=0.125 X4=5 X42=3.08 X0.01 =3.28 X 0.1 =1.35 X9=4.95 X1000=3.9 +0.13=15 X8=6.9 X0.1 =7.2 X0.1 =125 X4=0.4 X0.5=0.01 X0.1 =8.456 X 1000=2.4 +0.8=0.25 义 0.4=21 X8=10.8 +9=1.6 +0.8=1 + 2.5=1.25 X0.8=3.2 +0.04=0+1.7=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=0.89-0.25=1-0.98=0.048+0.52=5X400=19.9+11.1 =187+1000=1+3.89=0.081 X10=75+ 10=0.96 + 0.8=0.8 X7=1.5 X 7=1.32 X 8=0.7 X8=10.3 X2=5X 0.6=1-0.95=0.3+0.27=9.5-5=330X9=32X0.1 =572 义 8=372 义 0=153X46=173 X10=15X80= 3652007X 0=384+ 4=888+ 74=592 + 37=384 + 32=1846+ 10=468 + 39=1460+ 20=4.5 义 2=6.9 -2.5=0.9 X 0.3=3.5 X 0.2=2.01 X0=10X0.05=0.13 X7=0.21 X100=0.7 X4=0.05 X4=4X0.3=430-250=0.17+0.06=1.02-0.09=7200+800=0.17+0.6=0.83-0.6=17义300=0.98-0.09=9.6 +0.8= 0.108+2= 4.95 +0.9=9.65 +0.1 = 0.325 义 100=2.5 X8= 0. 56 +0.7=0.125 X4=3.28 X0.1 =3.9 +0.13=7.2 X0.1 =0.25 X0.4=1.6 +0.8= 1+2.5=1.25 X0.8=3.2 +0.04=0+1.7=4.7+2.3=4.5 X2=6.9 -2.5=7.2 X0.8=6X3.4=0.62 -0.32=1.4 X0.5=0.75 X100=0.02 X0.5=3.6 +0.3=6.3 +7=5.6+100=0.75 +0.25=0.125 X8=4.8 +0.3=0.96 +2=9.53-1.53=0.2+0.78=0.56 +28=9.5-0.5=600X 700=0.36 +0.4=0.47+0.13=10.2+0.02=0.64 +0.8=4.5+4=0.15+0.7=0.72 +3.6=4-0.6=670+250=3.6 +24=0.95+0.05=10.2+0.2=0.8 X1.1 =2.5+3.2=9.2-6=7.2+12.8=0.74+0.16=8500+ 500=46.7 -3.8=23X100=3.2-3.2=12.8 +4=9.8-4.8=3.7+2.3=5.2+13=480+40=25X100=12.5 +5=0.53 + 100=3.2-0.32=1.64 +41 =5.1+2.3=2+2.8=10+20=125X80=380-290=24+ 15=0.078 + 10=0.35+0.5=8.65 X10=0.52+0.4=0.35+0.63=0.35 X0.6=70X12=3500+70=3.08 X0.01 =0.25 义 100=3.1+3=4.95 X1000=3.4-2.8=3.8+0.38=6.9 X0.1 =0.6-0.37=7500+ 250=0.4 X0.5=0.052 X 10=3.8+1 =2.4 +0.8=10+0.08=0.95-0.05=10.8 +9=1-0.75=450+780=9.6 +0.8=0.5 X1000=3.1+0.3=0.108+2=0.82+0.3=3+0.3=4.95 +0.9=13.5+6.5=630+ 9=9.65 +0.1 =3.05 X 100=4.5-0.4=0.325 义 100=1.2-0.8=3.5+2.4=1-0.95=21.6-12.6=2.5 义 8=0.3+0.27=63+ 100=0.56 +0.7=5.8-3.6=0.83-0.5=0.125 X4=0.52+0.4=0.76+0.14=3.28 X0.1 =6.45+5.5=80+ 1000=3.9+0.13=4.5-1.3=2.7+0.4=7.2 X0.1 =3.4-2.8=0.72-0.43=0.01 X0.1 =9.53-1.53=30X100=0.25 X0.4=8.8-6.7=0.92-0.2=1.6 +0.8=10+0.08=3.5+4.8=1+2.5=9.5-7.3=3.5+2.4=1.25 X0.8=7.2+0.8=5+0.07=3.2 + 0.04=7.82+0.3=1-0.61 =0+1.7=8.8-6.7=0.22 X 102=3.4-1.4=9.5-7.3=9+0.25+4=7.82-7.2=1-0.95=0.47+0.13=2.19+9.1 =3.4-2.8=4.5+4=10.1-0.89=0.96-0.35=4-0.6=0.68+0.42=0.35 X0.6=0.95+0.05=8.1-5.1 =3.08 X0.01 =2.5+3.2=0.728-0.24=4.95 X1000=0.74+0.16=0.8+0.18=6.9 X0.1 =23X100=0.89-0.25=0.4 X0.5=9.8-4.8=1-0.98=2.4 +0.8=480+40=0.048+0.52=10.8 +9=0.53 + 100=5 X 400=9.6 +0.8=5.1+2.3=19.9+11.1 =0.108+2=125X80=187+1000=4.95 +0.9=0.078 + 10=1+3.89=9.65 +0.1 =0.52+0.4=0.081 X10=0.325 义 100=70 X 12=75+10=2.5 X8=0.25 义 100=0.96 +0.8=0.56 +0.7=3.4-2.8=0.8 义 7=0.125 X4=0.6-0.37=1.5 X 7=3.28 X0.1 =0.052 X 10=1.32 X8=3.9 +0.13=10+0.08=0.7 义 8=7.2 X0.1 =1-0.75=10.3 X2=0.01 X0.1 =0.5 X1000=5X0.6=0.25 X0.4=0.82+0.3=0.9 X 0.3=1.6 +0.8=13.5+6.5=3.5 X 0.2=1+2.5=3.05 X 100=2.01 X0=1.25 X0.8=1.2-0.8=10X0.05=3.2 +0.04=21.6-12.6=0.13 X7=0+1.7=63+ 100=0.21 X100=1.2 X0.4=0.83-0.5=0.7 X4=0.6 X0.9=0.76+0.14=0.05 X4=3.4 X0.3=80+ 1000=4X0.3=9.9+11 =2.7+0.4=430-250=2.8 +2=0.72-0.43=0.17+0.06=0.96 +3=30X100=1.02-0.09=17X40=0.92-0.2=7200+800=100 63 =3.5+4.8=0.17+0.6=3.2+1.68 =3.5+2.4=0.83-0.6=2.8 X0.4 =5+0.07=17义300=14- 7.4 =1-0.61 =0.98-0.09=1.92 +0.04 =0.47+0.23=0.2+0.78=0.32 X 500=0.25+0.75=600X 700=0.65 +4.35 =3.7+0.33=10.2+0.02=10- 5.4 =0.51+0.33=0.15+0.7=4 + 20=1-0.6=670+250=3.5 X200=8-4.6=10.2+0.2=1.5 -0.06 =7.8 X10=9.2-6=0.75 +15=0.6 X100=8500+ 500=0.4 X0.8 =3.71 义 10=3.2-3.2=4X0.25 =4.5 X1000=3.7+2.3=0.36 +1.54 =0.92 X 100=25X100=1.01 X99=6+ 12=3.2-0.32=420+ 35 =0.87 0.49 =2+2.8=25X 12=5.2 X10=380-290=135+ 0.5 =0.28 X 1000=0.35+0.5=3/4 + 1/4 =6.12 X 10=0.35+0.63=2 + 4/9 =0.479 X100=3500+70=3 - 2/3 =17.6 X 1000=3.1+3=3/4 - 1/2=