四年级下册小数口算练习doc.docx

1、四年级下册小数口算练习doc小学数学四年级下册口算练习1. 5+8. 5=15. 7+0. 3=5. 7+8. 5=1. 9+3. 4=5. 4+8. 2=L 7+4=0. 8+5. 4=4. 5+5. 5=3. 6+1. 8=7. 2+1. 5=1. 4+6. 2=5. 6+5. 4=3. 3+7. 9=2. 1+6. 2=2+3. 3=7. 3+1. 7=2. 4+6. 8=5. 6+2. 3=5. 5+6. 0=0. 9+3. 5=8. 1+7. 9=2. 5+4. 5=5. 2+4. 8=5. 3+6. 4=14. 3+1. 4=3. 8+0. 5=4. 1+2. 8=4. 6+7.

2、8=9. 2+1. 3=1. 3+6. 7=3. 2+3. 3=1. 2+4. 3=1. 6+3. 9=0. 6+2. 5=6. 4+2. 9=4. 2+2. 1=1. 8+7. 4=3. 2+2. 1=3. 4+1. 6=3. 7+3. 2=15. 4+3. 6=3. 6+4. 2=5. 2+4. 8=1. 4+2. 4=0. 4+1. 6=4. 3+5. 6=8. 1+2.1=8. 1+0. 5=2. 8+3. 6=2. 4+4. 0=0. 8+1. 3=0. 3+3. 2=3. 6+4. 7=1. 3+2. 1=1. 2+1. 6=6. 3+2. 5=6. 5+1. 9=2. 8+3.

3、5=1. 7+7. 2=4. 6+1. 4=0. 6+0. 7=4. 6+2. 1=6. 8+9.1=0. 9+0. 8=1. 5+3. 8=1. 7+4. 5=3. 4+5. 5=0. 5+0. 3=6. 2+9. 9=6. 7+4. 2=0. 8+5.1=3. 5+7. 8=11.5+11.4=1. 6+8. 0=3. 4+1. 8=1. 1+12=0. 8+3. 4=3. 5+6. 7=1. 1+3. 5=3. 5+7. 3=4. 4+1. 7=8. 9+9. 4=4. 6+8.1=9. 8+4. 5=0. 8+2. 3=1. 3+5=4. 5+1. 2=5. 6+7. 6=3. 5+4

4、. 4=3. 2+2. 1=9. 0+7. 6=3. 4+1. 9=4. 5+2. 3=6. 7+1. 4=1. 2-0. 3=7. 8-：5. 7+8. 4=6. 3+6. 22. 2-0. 6=4=2. 7-1. 8+0. 9=6. 3+5. 1=8. 5-7. 6=6. 275. 8+9. 8=8. 9+0. 3=8. 4-6. 2=&3-叫43. 2-11. 3+5. 7=5. 5+1. 7=7. 1-5. 4=3. g-2- 4=8.4-8. 9+4. 5=8. 7-3. 5=3. 8-0. 2=7.ML P6. 7-(1. 6+0. 5=3. 2-2. 1=1. 2-0. 9=2.

5、-Q=7=3. 4-14. 5+7. 5=8-3. 2=5. 3-3. 2=6. B-2.君=6. 773. 6+6. 2=10. 2-6. 2=9. 6-5. 2=1-0. S=7. I6. 5+6. 1=6-0. 4=5. 3-2. 7=3.e-a.a=7.573. 5+7. 6=8. 3-7=4. 3-0. 1=6.2-a.S=6.577. 5+7. 1=4. 7-4. 3=70-0. 5=4.3-2.6. 2.-0. 7+4. 3=8. 2-5. 2=4. 5-1. 2=s.a-a.3=3. 7-15. 1+0. 5=2. 6-0. 8=7. 3-4. 1=7.4-K.=3. 1-5.

6、 3+5. 1=4. 7-2. 5=8. 2-7. 1=s.a-3.a=9.677. 8+2. 4=8. 4-0. 6=5-3. 2=6. 2-4. 1=4. 5+7. 1=1-0. 9=8.a-s.a=7.S_37=4=4. 1+7. 2=9. 7-5. 4=7.*a-B7ffi=2=0. 9+0. 6=8. 2-6. 8=6- a-s. a=5.2S-E. 7=9. 7+8. 6=6. 8-2. 9=6.母压 12=2=8. 6+4. 3=3. 9-0. 8=k5-a.a=8.苦壬3LH=0. 9+4=3. 4-2. 3=6.催3 - 9=7.&母 3LW=2. 6+3. 5=8. 8-3

7、. 2=般 54.75=5-E.BO. 9=6. 5-4. 3=7. 06+5. 63=8. 04+5. 02=6. 23+6. 24=7. 1-4. 3=5. 31+0. 61=6. 03+5. 02=6. 24+4. 36=5. 6-7. 3=8. 02+0. 80=5.21+5.21=5. 63+5. 24=5. 1-0. 8=5. 55+2. 11=6. 03+2. 31=4. 25+5. 04=5. 3-5. 1=4. 09+2. 01=4. 12+0. 23=0. 03+2. 90=5. 1-5=5. 13+4. 12=2. 13+4. 12=3. 47+8. 24=7. 5-3.

8、 1=4. 60+0. 08=0. 02+0. 51=5. 32+6. 15=5. 4-1. 2=2. 43+0. 12=0. 54+2. 01=7. 34+5. 46=5. 5-3. 4=.23+7. 01=3. 02+8. 02=3. 45+6. 14=7. 3-2. 3=8. 34+5. 12=8. 03+2. 10=2. 13+3. 45=5. 4-2. 1=7. 23+9. 01=3. 24+4. 02=3. 23+4. 12=7. 3-5. 2=1. 01+3. 12=8. 23+2. 21=4. 12+6. 23=7. 2-4. 1=3. 54+0. 01=2. 3+4. 32=

9、5. 35+3. 24=7. 3-1. 6=4. 27+7. 10=3. 12+4. 23=6. 12+5. 14=3. 12+3. 21=4. 01+4. 15=7. 02+3. 01=6. 01+0. 10=4. 12+1. 23=0. 12+0. 09=4. 23+6. 34=0. 23+0. 14=5. 43+0. 75=0. 14+0. 23=4. 23+3. 121=0. 14+0. 46=8. 21+5. 12=5. 13+7. 12=4. 53+5. 23=3. 04+6. 12=3. 15+5. 01=4. 14+3. 02=5. 72+9. 01=4. 01+5. 23=4

10、. 52+6. 80=3. 13+7. 02=3. 24+6. 12=5. 01+3. 13=4. 03+4. 12=8. 31+0. 31=4. 34+3. 24=2. 34+4. 34=4. 75+0. 80=8. 71+7. 12=6. 43+4. 43=0. 12+0. 02=0. 21+5. 61=6. 41+6. 21=3. 54+6. 35=0. 23+4. 23=0.12+3. 23=5. 24+6. 10=3. 90-2. 76=5. 15-4. 79=0. 23+0. 04=0. 52+0. 30=6. 91-5. 39=5. 29+6. 33=2. 03+1. 45=0.

11、 92+0. 926. 97-5. 97=5. 86-1. 95=7. 45+4. 35=0. 34+8. 01=8. 25-4. 64=3. 79-3. 47=2. 34+3. 01=0. 29+3. 45=8. 78-0. 52=8. 89-0. 20=4. 02+9. 02=6. 23+4. 23=1. 27-0. 21=7. 42+9. 92=0. 91+0. 91=4. 37+0. 91=8. 42-7. 04=3. 58-2. 87=0. 28+0. 71=0. 28+0. 91=6. 76-6. 61=7. 31-2. 51=0. 31+0.13=0. 58+0. 15=0. 4

12、1+0. 95=8. 81-5. 75=5. 39+3. 24=6. 03+9. 04=4. 15+7. 08=6. 67-2. 72=4. 38+0. 23=4. 76+3. 20=2. 59+9. 10=4. 47+9. 24=5. 41+3. 25=5. 20+0. 25=3. 51+9. 00=8. 53+3. 94=1. 24+4. 13=5. 27+0. 91=4. 54+2. 55=8. 36-3. 72=6. 57+0. 04=0. 93+0. 47=8. 70+1. 16=6. 78-1. 84=0. 45+6. 34=5. 26+9. 12=1.31+5.61=6. 35-

13、2. 83=9. 02+0. 52=9. 02+0. 45=7. 71-0. 11=0. 6+7. 50=3. 43+0. 80=8. 04+0. 62=8. 64-7. 85=7. 57+6. 82=5. 40+0. 27=2. 34+0. 37=8. 68+0. 84=5. 18+2. 34=0. 35+0. 26=0.17+0. 62=2. 62+3. 19=1. 05+9. 02=4. 5+5. 47=8. 60-6. 39=5. 93-1. 20=4. 30-4. 19=4. 25+2. 79=8. 49-6. 31=3. 66+5. 90=4. 94-2. 06=3. 25+5.

14、36=7. 40-4. 04=6. 14-2. 01=7. 93-4. 75=5. 46+6. 47=7. 68-6. 50=5. 58+0. 13=6. 03-2. 94=4. 62+3. 02=8. 80+7. 97=6. 31-3. 21=8. 53-2. 13=9. 32+3. 40=7. 87+9. 72=5. 92-4. 14=6. 13-4. 23=5. 43+3. 23=8. 76+0. 75= 7. 36. 12-3. 01=7. 23-2. 01=3. 55+5. 33=7-4. 92=7. 29-4. 01=8. 42-0. 01=8. 21-4. 90=3. 42+6.

15、 99=7. 13-2. 08=8. 53-5. 34=2. 38+2. 40=4. 06+4. 85=8. 64-3. 41=7. 32-1. 09=9. 28+1. 69=7. 55+7. 05=7. 23-2. 13=9. 87-6. 24=6. 89-0. 88=8. 93-2. 34=5. 23-1. 23=6. 54-6. 50=4. 97+7. 29=6. 72-0. 35=4. 15-3. 12=8. 63-5. 43=3. 34+4. 51=7. 25-0. 04=7. 12-3. 12=7. 12-3. 21=6. 29+0. 67=8. 95-4. 26=7. 52-3.

16、 12=7. 41-4. 12=9. 60+0. 73=7. 54-5. 4=7. 43-4. 12=8. 42-5. 09=2. 23+5. 50=4. 73-3. 25=8. 25-6. 14=5. 32-1. 01=9. 81-0. 09=6. 26-3. 14=7. 16-0. 4=5. 21-0. 21=2. 80+6. 46=5. 36-2. 10=9. 46-2. 31=6. 30-0. 02=7. 74+1. 48=5. 73-3.14=9. 75-4. 24=0. 34-0. 01=4. 22-2. 66=5. 79-3.14=5. 9-5. 35=8. 43-4. 21=8

17、. 28+7. 36=6. 53-1. 03=6. 26-4. 23=6. 43-2. 01=7. 48-6. 52=.12-4. 32=5. 34-3. 21=0.3X100 =4. 64-3. 25=7. 43-0. 14=9. 33-3. 33=0. 46X10 =5. 62+2. 82=7. 52-4. 12=5. 34-2. 32=6.6X10=6. 63+7. 16=5. 31-4. 12=7. 43-4. 23=5.2X10 =5. 94-0. 36=9. 04-3. 02=6. 23-4. 15=2.4X10 =7.9X10=1000X5.2 =2. 56X100=5.5X10

18、 =10X9. 72 =100 X2.05 =13.4X10=100X6. 93 =2.31X10=4.9X1000=0.5X100 =9.2X100 =10X3.3 1=10X0. 22 =0.5X10 =10.3X10=100X6.8 =1000X2.2 =20.6X100=1.3X10 =10X8. 37 =10X2.3 =0.9X100 =1000X5.4 =10X4.6 =100X2.6 =100X10.8 =5.3X100 =10X5.66 =100X2.8 =10X4. 52 =1000X6. 73=0. 1X10 =1.67X1000 =1000X5. 41 =1.46X100

19、 =10X8.5 =7.4X10 =2.4X1 00=27.4X100 =68.2X10 =2.4X100=100X3.19 =2. 54X1000 =51.2X100 =100X3.19 =0.3X10=3. 76X100 =4.2X100 =100X3.2 =1000X0.3 5=7.17 X1000 :10.3X10=2.2X100 =10X4. 38 =2.25 X 1000 =1.3X10 =100X3.8 =6.4X100 =100X4.15 =1000X5.4 =9.9X1000 =2. 56X100=100X8. 35 =5.3X100 =100X4.1 =13.4X10=10

20、X8. 38 =1000X6. 73=6. 37X10 =100X3.2 =7.8X100=10X8.1 =100X4.1 =2.2X100 =10X8. 64 =100X7.4 =0.3X10=100X3.8 =4. 36X100 =8. 87X100=1000X0. 35=9.9X1000 =10X6. 48 =8. 98X100=10X1 .38 =9.5X100 =5.13X100=8.8X10 =6.4X100 =100X6. 76 =100X8.2 7=1000X5.4 =10X2.3 =44.2X100=100X8.2 7=5.3X100 =100X2.6 =8.6X10=10X

21、8. 38 =1000X6. 73=100X2.8 =9.5X10 =7.81X100 =10X8.1 =1.67X1000 =8.6X100 =10X8. 64 =100X7.4 =7.12X10 =2.6X100=9. 22X100 =8. 87X100=2.4X100=9. 56X10=4.3X100 =3. 76X100 =10X 8.9 =6.5X100=7.4X10 =7.17X1000 =7.4X100 =10X2. 05 =4.3 5X100=2.25 X1000 =1.68X10=4.9X10 =2.2X10 =1000X6. 82 =7. 45X100=10X2.2 =4.

22、 14X100=100X8.3 =0.7X10=7. 1X10 =5.2X10 =100X4.6 =7.1X100 =3.9X10 =2.5X100=100X6. 93 =100X6.6 =2. 12X100=100X7.2 =58. IX 100 =9.5X100 =1.65X0 =7.5X10 =100X5.3 =58.1X100 =7.4X10 =7.4X100 =44.2X100=100 X 6. 76 =2.4X100 =1.39X100=100X8. 05 =5.5X10 =100X3. 19 =100X8. 05 =100X8.2 =100X6. 93 =10X3.2 =100X

23、8.2 =4. 36X10 =9.2X100 =10X3.4 =4. 36X10 =100X8. 35 =5. 26X10 =10X3.8 =100X8. 35 =4.9X1000=2.5X100 =9.9X10 =10X8. 38 =10X0. 22 =7.4X100 =5. 13X100=7.8X10 =1000X2.2 =100X5.3 =100X5.3 =10X8. 64 =6.4X10 =6.6X10=7. 1X100=44.2X100=3.2X10=5.2X100 =100X3.4 =100X1.2 =8.8 3X100=2.3X100 =0X3.8 =10X4.2 =10X4.

24、72 =10X3.3 =9.9X100 =10X35.4 =8.8X10 =8.2X100 =100X4. 1 =100X6.6 =8.3X10=7.81X100 =6.3X100 =1000X6.7 =7.9X10 =100X8. 05 =1.9X3 =0.3X100 =9.5X100 =9. 22X100 =2X10 =0.4X10 =10X8.9 =5.2X10 =100X4.3 =3.4X1000 =100X6. 76 =10X4. 72 =100X4. 38 =10X0.8 =5.5X10 =2.5X100 =100X9. 56 =31.5X10 =7.5X10 =100X7.2 =

25、7.9X100=100X8. 1 =7. 24X100 =8. 22X100 =10X9. 72 =0.6X10=3.2X10=7.3X10=1000X19.8 =3.7X100 =9.5X100 =4.9X100=100X3.3 =2.7X100 =100X6. 76 =10X2.2 =1000 X 6. 82 =100X7.7 =5.5X10 =7. 15X100=100X8.3 =100X4.2 =2.5X100 =3.9 X10 =100X4.6 =7.4X100=100X6. 93 =2. 1X20 =0X5. 6 =1.34X1000 =9.2X100 =1.6X100 =58.

26、1X100 =100X8. 05 =5.2X10 =7.4X100 =1000X14=100X8.2 =100X1.25 =10X3. 1 =10X2. 1 =1.55X1000=100X9.2 =100X3. 19 =100X5.3 =24.5X100=0. 13X10=0.9X10=4.2X10=0. 08X1000=5.4X10=2. 1X100=3. 09X10=10X0. 05 =0. 18X10=100X0. 08=1.47X10=10X3. 52=4.2X1000=1.87X10=0.4X100 =4.2X1000=0. 44X10=0. 24X1000=1.5X10=1000X

27、0. 756=3.6X10=0.2X100=2.5X1000=0.5X100=8.5X100=100X0. 5=0. 13X10=0.9X10=8.5X10=0. 05X10=4.2X1000=10X3. 52=3.2X100=0.5X10=1.25X1000=2.8X10=1.2X10 =0.8X100=1.25X10=5.6X100=0. 49X100=1.25X10=0. 18X10=10X2. 22=0. 04X100=10X0. 25=0 .04X10=8. 65X10=0. 03X1000=100X0. 5=1000X0. 756=4. 95X1000=1000X4. 2=8X10=10X0. 08=0.75X100=1000X0. 756=2.5X10=0. 05X10=0. 22X100=0.5X100=6.3X100=0.5X100=0. 325X100=10