小学五年级数学口算精选800题

1、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

2、=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

3、+ 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

4、-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

5、 + 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 +

6、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 +

7、 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=8

8、7.0 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.

9、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 + 2

10、5=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

11、+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=

12、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.

13、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 x7

14、00=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

15、 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=3

16、2.52- (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

17、=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=9

18、626x-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-7

19、4=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

20、 - 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

21、+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

22、.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

23、+ 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

24、.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

25、.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 =0.6

26、4 +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

27、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=20

28、0x360=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=28

29、5x4=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

30、.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 x

31、10=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.

32、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 +

33、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+

34、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

35、.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=0.9

36、2-0.2=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=0.728-0.2

37、4=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

38、=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=10