小数除法计算题500道口算300道竖式200道含答案

1、14.3+5.7=9X99+9=小数除法计算题500道（口算300道+竖式200道）含答案一？口算题（共 50 小题）1.直接写出下面各题的得数4.8-0.8=7.5-4.5=0.75-15=3.5X0.4=10-0.01 =10-2.05=0.6X1.5=4-0.25=1.36+2.87+3.64=1.8X0.4X0.25=2.直接写出得数.2.1 - 0.7=2-5=1-0.2=7-8=5.3-0.53=0.1-0.01 =0.25X40=6.5-5.6=1.26-0.6=0.54-6=3.直接写得数30.2 - 2=0.01-0.5=0.72-8=4.8-0.06=-6.4+3.6=1-

2、3=10-1.55=1.25X8=4. 口算.0.9 - 0.03=7.2-2=0.05X2=0.74X1 仁3.10.25X4-0.25X4=-3.1 =1.32+8-1.32+8=7.2-40=6. 直接写出得数.6.4-0.2=100X1.5=7.直接写得数.5.6 - 0.8=9.15 - 0.3=8.直接写得数0.9-0.89=1.07+8.3=3.6-10=8.1+9=4.5X0.2=11-3.9=6.82-5.2=17.2-0.86=2.5X0.04=1.8-0.1 =1-0.5+0.5=12.5X0.8X0=1.4X100=90 - 6=2.80-10=0.025X100=2.

3、4-100=90-100=0.33X1000=0.32+1.98=6.25 - 0.87+0.13=0.4X2.7X25=5.直接写得数.6.30.3=1.8X0.5=25.1+4.9=2.5X0.5X4=9.直接写得数.10-0.01 =0.22+0.8=10- 2.05=4-0.25=0 十 19.8=0.2X0.05=1.36+3.64=0.4X0.25=10.J苴接写得数0.25 -0.5=0.32-0.04=1.25X4=1.6-0.4=0.54-6=5.6-7=11.苴接写得数.5.09-10=12.5X0.8=0.5-0.25=45.6-1 =32.1X0.25X6=0.4X0.

4、5=0.54-0.9=10.2-002=1 =12.5X0.8=12. 口算4-5=1.8-0.03=75-2.5=0.2X25.4=3.6+4.4=10-5.2=3.4X0.2=7.8-m 6=13.苴接写出得数3.6 -0.3=6.3-7=5.6X100=0.25X4=-_ _0.56 -28=36-0.9=0.64+0.8=0.72X3=1.2X20=7-5=6.12-0.5=2.9-5-0.2=14. 口算3.4 -2=-2.7-0.3=0.42宁 6=-4.12X2=6.3-0.9=-1.53+2.4=4.8X0.5=6.4-80=40X0.41 =30.9X9=10X4.1 =4.

5、6-0.5=15.直接写得数.0.25 -5=0.72-0.9=3.145X100=7.2-3.6=1-50=12.4 -4.1 =0.01+0.99=7.6-7.6=1.25X4=50-0-2.5=16直接写得数0.35 -5=0.3X2=0.3-0.2=0.7X0.9=0-7-3=2.4X5=4.9X0=2X0.45X5=17. 口算我取棒.0.64 -1.6=1.4X0.5=0.72-0.9=10.9-8.9=18.直接写得数0.8 - 10=25+8=187- 1000=0 十 58=237 - 9=257+0=0X0.008=0.001X6.0805X1000=24X5=100=19

6、.直才妾写得数.0.63-9=5.4-1.45=0X4.65=3.5-0.7=1 十 0.25=4X0.5=0.1-0.05=3.3-0.1 =2.7 - 0.90.36-0.12=0.14-2=9.6-6=20.呈虽接写得数.8.4 - 4=3.6-0.2=0.72-90=1.1X0.8=0.56+4.44=1.25X5X8=2.9+3.7+2.1 =7.6X8+2.4X8=0.4X0.25=21.请你直接写出得数4.8 - 0.8=7.5-0.45=5.7+3.3=1-0.25=6.2-0.62-1 =0.75 -1.5=0.2-4=0.21X4=1.2X60=5+3.2-0.8=22.呈

7、虽接写出得数.0.72 -0.9=23.7+2.63=4.8-0.4=0.5-2=6.5 - 5.6=1 十 0.25=8-0.8=10*4=0.4X0.8=0.48-0.8=0.35X4=0.3*0.15=23.呈题接写出得数1.2 - 0.4=2-8=4-0.5=0.72*4=0 十 5.32=3.6+1.8=1-0.73=0.24*0.6=6.4 - 1.6=0.125X80=0.5X0.8=13.2*0.6=24.呈虽接写得数.2.5 - 0.5=0.42 - 0.6=3.5 - 0.01=0.54-0.6=0.80.35=4.3+2.7=200X0.07=0.25X4.9=4-0.8

8、=25.直接写出得数0.56 -0.7=0.6+0.65=3.9 - 1.3=12-0.03=5.2-0.13=99X1.01 =13.5-2.8-7.2=25X0.32X125=口算26.水3.6-1.2=8.1-9=4.8-0.6=1.25X8=99-0.9=25-0.05=88-0.008=1-2.5=27.直接写得数.0.64 -0.32=0.7X1.2=7.2-(0.8X9)=40X0.25=0-4.8=2.9-2.9=0.3X0.6=0.07X50=100X0.07=22.1X仁0.02X0.1 =12-4.3=36-0.01 =0.8X0.125=2.3+0.8=0.36-0.4

9、-9=29. 口算.3.6-1.2=4.4-4=4.8-0.4=1-0.25=1 史30. f1虽接写得攵.6.4-8=9.8-0.14=4.8-16=0.63-8.7-29=0.99-9.9=5.5-0.11 =13.8-31.里 虽接写出得数.0.56 -8=0.07X10=3-1.9=1.2X0.1 =51-0.3=4.3+15.37=2.9X10.02 ?12.1-3.9 ?6 0.58 ?32.里 虽接写出得数.3.6-3=7.8-6=9.9-9=56.77=4.8-4=3.9-13=3.6-12=8.1 27=0.04 -2=0.88-4=1.25-5=7.50.05=33. 口算

10、1-0.25=0.78-6=2.4 . 24=9=6.9=口算28.水34.直接算出得数.70X0.12=0.8X7=8X0.6=2.1 - 2=3.8+1.02=7.5X0.4=2x-0.7x=10 十 8=0.8X0.6=3.2X0.5=35.直接写出得数.9.6-0.06=3.57-0.7=4.5+0.76=22.4 - 4=0.25X4=0.21-7=5.6-7=1.2X5=42 - 3=6.12 - 0.6=0.54-6=38.5-5=24-0.8=36.直34.直接算出得数.1.6 - 0.4=4-5=7.2 -8=4.6 - 0.46=4.20.01 =-5.41.8=-2 -3

11、.6 -1.8=0-21.3=37. 口算1.2 - 3=-0.486=4.6 - -23=6.8 - 4=0.72 -12=0.72 - 4=9.6 - 6=5.2 - -13=12.5 - 5=0.12 -5=38.直接写得数.56-100=1.29-0.29=0.56X100=5.35+2.5=0.625X100=5-2.1 =359+402=18.6-7=8.07X10=3.5+0.9=1.2+0.08=4X(25X14)：7.34X0=3.31+1.2=25X4-25X4=0.25+0.2+0.75=39. 口算0.42-0.6=5X0.6=2.4-0.24=1.25X2.3X8=7

12、.8+1.2=10-0.1 =0.1X0.1 =2.5-2.5X0.4=40.直接写出得数.10-9.9=0.67+0.3=8.9X100=2.5X4=8-16=0.9X60=1.04-2=9.1-7=1.5X8=0.39-39=0.25-8=0.05X300=0.45-9=7.2-9=0X5.8=4X8X接写出得数.0.25=2.4 - 2=48 - 0.6=0.24 - 0.2=4.8 - 6=2.4-0.2=4.8-0.6=9.6-0.3=96-3=42.圭题接写出得数16-5=22-4=48-100=12.6 - 3=6.06 -635 - 70=95- 5=1.3X4=12.6 -

13、0.6=1.8 -6=43.圭题接写的数0.75 -0.5=1.6-0.4=7- 3.5=16.8 -0.4=2.8-0.28=0.5-0.25=44.口算卜面各题.5.74 -10=4.2-0.07=0.16X4=0.4-0.8=1.2X5=0.64 2=0.56 -0.7=0.6+0.65=3.9-1.3=45.计算.12.8 -4=31.5-5=39.6 4=-97.8 6=11.7-3=29.4-2=-83.5 -5=95.2-4=67.8-2=-46.口算：0.96 -8=0.08-0.01 =0.2-0.05=0.36-0.18=5.1 - 1.7=0.54 -0.6=4.8-0.

14、24=10-0.92=0.9-45=2.5X4-2.5X4=47.1 壬接写出得数.2.5X4=10-0.1 =2.8-0.4=4.5 -0.15=7.2-0.9=1.5X6=15-0.5=5-2=-1.2-0.03=1.3X3=48.直接写出得数.3.3+5.6=0.25+5.75=8+50.28=0.3+5.7=1 - 0.6=5.3+50.7=0.4 - 0.35=1 - 0.04=3.6 - 1.2=0.72 - 0.9=2.6 - 13=4.8 - 0.4=4.4-4=0.78-6=7.2 - 0.4=1 十 0.25=7.1X0.4=4.5-0.15=1 - 0.07=0.42 -

15、 0.7=50.直接写得数0.29-100=5-1000=19+0*19=423-(100+23)=170X100=320- 100=90-26-13=0.56X100*1000=0.26X1000=24X99+24=38-25+12-25=500*100X1000=二.竖式计算1.092 - 0.42= 210- 1.4=8.9 - 0.56 ?3.列竖式计算.69.02 - 3.426.8X0.3546.8-3.4 （保留一位小数）4.列竖式计算.2.用竖式计算（需验算，除不尽的保留两位小数）2.05 - 250.13-0.17 （商精确到白分位）(共 50 小题)98-5.6=1.竖式计

16、算.0.51 - 0.5=20.4 - 1.7=验算:5 ?用竖式计算.117.3 - 0.4624 X 0.3740.32-1.68 .6 ?竖式计算2.1 - 0.7=7* 0.35=7.2 * 4=7.用竖式计算并验算.2.76X24=12.6*0.28=8.用竖式计算.220.5 * 15=（用乘法验算） 2.64X1.09=（得数保留两位小数）6.3 * 0.125=0.84X1.65=4.2 - 0.284.2-1.32 （得数保留三位小数）9 ?列竖式计算.（后两题得数保留两位小数）33.6 宁 568.96 - 0.287.12 - 0.224.13 宁10?竖式计 .45.9

17、 - 0.6=51 - 0.3=52.8 - 12=75.6 - 0.18=9.6 - 0.32=11.用竖式计算13-2.554.5 - 0.160.68 - 0.95 （保留两位小数）2.05X0.16 （验算）78.6 - 11=（商用循环小数表示）6.21 -12.竖式计算，带*的要验算.14.0.03 .5.63 - 7.8 数保留两位小数）28.28 - 0.4=*0.303 - 5=1.25 - 0.25=78.6 - 11=（商用循环小数示）13.列竖式计算（带的保留两位小数） 1.57-3.9 0.58X0.2470.7 宁 33示）16.竖式计算.75.6 - 0.1825

18、.6 - 0.03217.竖式计算，按要求保留商的近似值.5.63 - 6.1 （得数保留两位小数）10* 3.3 （用循环小数表示）（商用循环小数表14.竖式计算（得数保留 1 位小数）带的验算 64.8 - 1.8 ? 8 -6.69 ?0.65X3.8415 .竖式计算.（带*的要验算）9.4 宁 11 =*144 - 12=14.2 宁 11 =2.78X1.825* 9.9 （保留整30* 7 （保留两位小数）60.9 * 3.2 （保留一位小数）数）(1) 6.21 - 0.03=(2) 10.8 - 45=(3) 8.54 - 0.7=(4) 72.9 - 0.9=18 ?用竖式

19、计算19?竖式计算.(第、题验算)150.96 - 6.59.25 - 3.7= 15- 74 6.72- 4.2=20.用竖式计算(1) 1.25 - 0.25=(2) 8.4 - 0.56=（3） 8.54 - 0.7=（验算）（4） 78.6 宁 11=（商用循环小数表示）21?用竖式计算4.5X0.18=2.346 - 2.3=验算:70.3X3.6=5.06 - 2.2=22?用竖式计算（带*得数保留两位小数）2.6X0.2529.9-0.46*4.65 - 1.3 .23.列竖式计算 24.60.16. . 6.24-0.8;（除不尽的保留两位小数） 13.9 - 6;0.325

20、-1.5 ; 18.3 - 4; 19.2 -6.24.用竖式计算，并指出哪些是循环小数.7.05 - 0.941.71 - 3.84.83 - 0.738.2 - 2.72.16 - 181.8 - 0.253.7 - 2.2 .25.用竖式计算(1) 3.9 - 0.26 ?（2） 9.35 - 3.4 （得数保留一位小数）(3) 0.17 - 0.11 (商用循环小数表示)(4) 0.168 - 0.7?（5） 4.05 *18 心（得数保留两位小数）（6） 4.68 宁 5.4=（商用循环小数表示）26.用竖式计算27 ?将下列式子的得数保留两位小数21.45 - 15;49.04 十

21、 8;217.6-34;11.7 - 36;1.69-26;54.81-27.25.32 - 0.1521.03 - 1.231.07 - 9.29.45 - 0.32 13.51 - 0.13 17.96 - 0.36 .28.列竖式计算.（第三小题得数保留两位小数，第五小题请写出验算过程47.04 - 5.6=3.28X2.7=0.764X1.2 ?52.92 - 0.27=8- 1.28=15.36 - 12=30.竖式计算.31 .计算下面各题，并用乘法验算(1) 15.6 - 12(2) 328- 1629.列竖式计算:0.195 - 0.133.676.76-0.766-2.47.

22、085-0.659.72-0.27.(1)0.38X0.23(2)5.79X3.6(3)4.6X0.25(4)6-24(5)52.95-75(6)3.01-7(7)4.95-11(8) 84.01 - 31 (用乘法验算)(9)0.646 - 19 (10) 4.7 X 0.59 .(3) 1.35 -27(4) 0.646 - 19.32.用竖式计算下列各题.(除不尽的保留两位小数，后面两道题要验算)45.15 - 1.5=52.65-1.3=15.7533.列竖式计算6.6 宁 443.5 - 2918.9 - 271.35 - 1537.5 - 628.6 - 1120.4 - 243.

23、64 - 52.34.竖式计算0.448 - 32=14.3+6.7=3.8X0.26=11.32 - 8.95=35.用竖式计算1.26 - 1.8=64X5.04=43.5 - 0.29=验算8.42+0.6=0.436 - 0.2=9.25 - 3.7=5.63 - 6.1 （得数保留两位小数）27.8 - 2.5=验算 9.8X0.75=36.笔算数）37 ?用竖式计算，加号的要验算38.用竖式计算（有的要验算）39.用竖式计算.5.02X4.8=1.35X320=26- 0.13=48 宁 2.3 （得数保留两位小 6.3 - 0.427-0.3596.6 - 420.147.79-

24、0.08-95428. 0.756-0.18=0.35X0.48= 6.02 - 5.94=7.8 - 75=2.55 -2.5=2.5X1.04=5.02X4.8=1.35X320=26- 0.13=48 宁 2.3 （得数保留两位小40.列竖式计算3.5X10.8 80.93 - 26.7 （精确十分位）1.42 - 1.1（商用循环小数一表小）41 ?计算下面各题，除不尽的用循环小数表示商43.8 - 120.12 - 0.257- 0.3513- 1130.1 - 3319- 125.6 -0.07 .42.竖式计算30.6 - 454.06 - 0.58探 54.6 -0.91 .4

25、3.列竖式计算.0.58X0.08=（结果保留两位小数）0.54 - 0.018= 13.6 -3=（商用循环小数表示）44.列竖式计算，并验算前两个，第三个保留两位小数95.2 - 28= 46.8 - 0.13=5.63 - 7.8=45.竖式0.73X2.157.38 - 1.65.95 - 27.6 （得数保留两位小数）46.用竖式计算.3.38 - 1830.9X2.75.95-27.6 （得数保留两位小数）47.列竖式计算.4.83 - 23=3.09 - 1.5=0.14 - 0.08=（验算）48.竖式计算.70- 5.6=227.8 - 0.34=7.525 - 0.38=4

26、9.用竖式计算下面各题，除不尽的保留两位小数8.65 - 0.251.8 - 127.2+ 1.150.用竖式计算.7.02X1.329.830.54 - 3.66.4 - 0.2=320.9 - 0.89=0.011.07+8.3=9.373.6 - 10=0.36小数除法计算题（口算300道+竖式200道）答案? 口算题（共 50 小题）1. 【解答】解:2. 【解答】解3. 【解答】解4. 【解答】解1.32+81.8X0.5=0.9 25.1+4.9=30 2.5X0.5X4=56.【解答】解:4.8 - 0.8=67.5 - 4.5=30.75 - 15=0.053.5X0.4=1.

27、410 + 0.01=100010- 2.05=7.950.6X1.5=0.94-0.25=161.36+2.87+3.64=7.871.8X0.4X0.25=0.182.1 - 0.7=32-5=0.4+ 0.2=57- 8=0.8755.3 - 0.53=100.1 - 0.01=100.25X40=10 6.5-5.6=0.91.26 - 0.6=2.10.54 - 6=0.0930.2 - 2=15.10.01 - 0.5=0.020.72 - 8=0.094.8 - 0.06=806.4+3.6=101 宁 3=0. ;10-1.55=8.451.25X8=100.9 - 0.03=

28、307.2 - 2=5.20.052=0.10.740.25X4-0.25X4=163.1-3.1=111=8.146.250.4X2.7X1.32+8=160.87+0.13=5.5125=275.【解答】解：6.3 -0.3=21100X1.5=150 8.1+9=17.17.4 - 0.2=320.9 - 0.89=0.011.07+8.3=9.373.6 - 10=0.364.5X0.2=0.911-3.9=7.15.6-0.8=76.82-5.2=1.622.5X0.04=0.11-0.5+0.5=19.15 - 0.3=30.517.2 - 0.86=201.8 - 0.1=181

29、2.5X0.8X0=08 ?【解答】解：1.4X100=140 2.80-10=0.282.4 - 100=0.0240.33X1000=33090 - 6=150.025X100=2.590 - 100=0.90.32+1.98=2.314.3+5.7=209X99+9=9009.【解答】解：0.22+0.8=1.0210-2.05=7.954-0.25=1610 十0.2X1.36+3.64=50.4X0.05=0.010.25=0.10.01=10000 十 19.8=010.【解答】解：0.32 - 0.04=81.25X4=511.【解答】解：5.09-12.5X0.5-0.25=2

30、45.6-1= 45.632.1X10=0.5090.8=100.2=6.420.25X6=1.50.4X0.54-10.2-12.5X0.8=100.5=0.20.9=0.60.01=102012.【解答】解:0.2X25.4=5.084-5=0.81.8 - 0.03=60 75 - 2.5=303.6-0.3=126.3-7=0.95.6X100=5600.25X4=10.56 - 28=0.0236-0.9=40 C 0.64+0.8=1.440.72X3=2.161.2X20=247-5=1.46.6.12-0.5=12.242.9-5-0.2=2.914.【解答】解：2.7-0.3

31、=90.42-6=0.074.12X2=8.243.4 - 2=1.71.53+2.4=3.93| 4.8X0.5=2.46.4-80=0.086.3 - 0.9=730.9X110X4.1=414.6-0.5=9.215.【解答】解:0.250.723.145X7.21十50=0.025=0.050.9=0.8100=314.53.6=212.4 - 4.1=30.01+0.99=17.6 - 7.6=11.25X4=5502.5=5016.【解答】解：0.35 - 5=0.07 0.3X2=0.60.3-0.2=1.50.7X0.9=0.630 十 7-3=02.4X5=1.24.9X0=

32、02X0.45X5=4.517.【解答】解：0.64 - 1.6=0.42.7+7.2=9.91.4X0.5=0.70 十 1.5=0200X0.07=140.72-0.9=0.82.7X0.3=0.810.25X4.9=1.22510.9 - 8.9=224- 0.3=804-0.8=518.【解答】解:0.8 - 10=0.825+8=33187- 1000=0.187 0 十 58=02 237 7+0=9=22X0.008=00.001X100=0.16.0805X1000=6080.5 24X5=1200.63 - 9=0.075.4 - 1.45 ? 3.720X4.65=03.5

33、-0.7=51 十 0.25=44X0.5=20.1-0.05=23.3-0.1=332.7 - 0.9=30.36 - 0.12=30.14-2=0.079.6-6=1.620.【解答】解：8.4-4=2.13.6-0.2=180.72-90=0.0081.1X0.8=0.880.56+4.44=51.25X5X8=502.9+3.7+2.1=8.77.6X8+2.4X8=800.4X0.25=0.121.【解答】解:4.8 - 0.8=67.5-5.7+3.3=91 十 0.25=46.2 -0.45=7.051=90.75-0.2 - 4=0.050.21X1.2X5+3.2-1.5=0

34、.54=0.8460=720.62-0.8=922.【解答】解:0.72 - 0.9=0.823.7+2.63=26.334.8-0.4=120.5 - 2=0.256.5 - 5.6=0.91 十 0.25=48-0.8=1010 十 4=2.50.4X0.8=0.320.48 - 0.8=0.60.35X4=1.40.3 - 0.15=223.【解 解：答】1.2-0.4=32-8=0.254-0.5=80.72-4=0.180-5.32=03.6+1.8=5.41-0.73=0.276.4-1.6=40.125X80=10 0.5X0.8=0.40.24-7.6=0.413.2-0.6=

35、2224.【解答】解:2.50.42宁 3.5-0.540.5=50.6=0.70.01=3500.6=0.90.35=0.4525. 【解答】解：0.56 - 0.7=0.8 0.6+0.65=1.253.9 - 1.3=312-0.03=4005.2-0.13=4099X1.01=99.99 13.5-2.8-7.2=3.525X0.32X125=100026.【解答】解：3.6 - 1.2=38.1 - 9=0.94.8-0.6=81.25X8=1099 -25-0.05=50088-0.008=110001 + 2.5=0.40.9=11027.【解答】解：0.640.7X7.2-(0

36、.8X9)40X0 十 4.8=00.32=21.2=0.84=10.25=102.9 - 2.9=10.3X0.07X50=3.5100X22-10.6=0.180.07=7仁 22.128. 【解答】 解：0.02X0.1=0.00212-4.3=7.736 - 0.01=36000.8X0.125=0.12.3+0.8=3.10.36 - 0.4 - 9=0.129. 【解答】解：3.6 - 1.2=34.4 - 4=1.14.8 - 0.4=121 十 0.25=48.7-29=0.3 0.99-9.9=0.15.5-0.11=50 13.8-6.9=231.【解答】解：0.56 -

37、8=0.071.2X0.1=0.120.07X10=0.751 - 0.3=17012.1 - 3.9 ? 33- 1.9=1.14.3+15.37=19.676- 0.58 ? 103.6 - 3=1.27.8 - 6=1.39.9-9=1.156.7-7=8.14.8 - 4=1.23.9 - 13=0.33.6-12=0.38.1-27=0.30.04-2=0.020.88-4=0.221.25-5=0.257.5-0.05=15033.【解答】解：1 十 0.25=40.78-6=0.132.4-24=0.16.6 - 0.6=115-0.5=1034-0.2=1700.8X7=5.6

38、8X0.6=4.870X0.12=8.434.【解解：2 1 答】2.1-2=1.053.8+1.02=4.827.5X0.4=32x-0.7x=1.3x0.8X3.2X0.5=1.69.6一3.57-0.6=0.480.06=1600.7=5.1皿【解35.答】解：22.4 -4=5.60.25X4=10.21-7=0.035.6-7=0.842 - 3=146.12 - 0.6=10.20.54-6=0.0938.5-5=7.732.【解答】解:10-8=1.254.5+0.76=5.261.2X5=624-0.8=3037.【解答】解:38.【解答】解：0.56X100=565.35+2

39、.5=7.8556-100=0.561.29-0.29=10.625X100=62.5 5-2.1=2.9359+402=76118.6-7=11.68.07X10=80.73.5+0.9=4.41.2+0.08=1.284X(25X14)=14007.34X0=03.31+1.2=4.5125X4-25X4=160.25+0.2+0.75=1.239.【解答】解：0.42-0.6=0.75X0.6=32.4-0.24=101.25X2.3X8=237.8+1.2=910 + 0.1=100 0.1X0.1=0.012.5-2.5X0.4=1.54-5=0.84.6-0.46=10 5.4-1

40、.8=30 十 21.3=01.2-3=0.40.48-6=0.08 4.6-23=0.26.8-4=1.70.72-12=0.060.72-4=0.18 9.6-6=1.65.2-13=0.412.5-5=2.5 0.12-5=0.02440.【解答】解:10-9.9=0.18-16=0.51.5X8=120.45-9=0.050.67+0.3=0.970.9X60=540.39-39=0.017.2-9=0.88.9X100=8901.04-2=0.520.25-8=0.031250X5.8=02.5X4=109.1-7=1.30.05X300=154X8X0.25=841.【解答】解:2

41、.4-2=1.248-0.6=800.24-0.2=1.24.8-6=0.82.4-0.2=12 4.8-0.6=89.6-0.3=3296-3=32播-5=3 项】角 22-4=5.5 48 - 100=0.48 12.6 - 3=4.26.06-6=1.0143.【解答】解:0.75 - 0.5=1.51.6 - 0.4=47-3.5=216.8 - 0.4=422.80.28=10 0.5 - 0.25=244.【解答】解:5.74 - 10=0.5744.2-0.07=600.16X4=0.640.4 - 0.8=0.51.2X5=60.64-2=0.320.56 - 0.7=0.80

42、.6+0.65=1.253.9 - 1.3=345.【解答】解:(1) 12.8 - 4=3.2 (2) 31.5 - 5=6.3 (3) 39.6 - 4=9.9(4) 97.8 -6=16.3 (5) 11.7 - 3=3.9 (6) 29.4 - 2=14.7 (7) 83.5 - 5=16.7(8) 95.2 -4=23.8 (9) 67.8 - 2=33.946.【解答】 解:(1) 0.968=0.12口算：(2) 0.080.01=8(3 )0.2 -(4) 0.36 -(5 )5.1 -0.05=40.18=21.7=3(6) 0.54(7) 4.8 十(8 ) 10 -(9

43、) 0.9 -0.6=0.90.24=200.92=0.0845=0.02(10)2.5X4十2.5X4=1646.【解答】解:2.5X4=10 10 十 0.1=100 2.80.4=7 4.5 - 0.15=30 7.2 - 0.9=81.5X6=915-0.5=305-2=2.51.2-0.03=401.3X3=3.948.【解答】解:0.3+5.7=61 - 0.6=0.43.3+5.6=8.90.25+5.75=65.3+50.7=560.4 - 0.35=0.051 - 0.04=0.968+50.28=58.280.9 - 0.7=0.210-9.9=0.18.6X100=860

44、 148.3-100=1.48349.【解答】解:3.6 - 1.2=34.4 - 4=1.17.1X0.4=2.840.72 - 0.9=0.80.78 - 6=0.134.5 - 0.15=302.6 - 13=0.27.2 - 0.4=181 - 0.07=0.934.8 - 0.4=121 + 0.25=40.42 - 0.7=0.650.【解答】解:0.29100=0.0029170X100=170000.26X1000=260二?竖式计算题5- 1000=0.005320 - 100=3.224X99+24=2400(共 50 小题)19+0-19=1990-26-13=5138-

45、25+12-25=01. 【解答】解：0.51 - 0.5=1.0220.4 - 1.7=122.【解答】 解：1.092 -0.42=2.6 210- 1.4=1508.9 - 0.56 ? 15.893.【解答】 解：69.02 -3.4=20.326.8X0.35=9.3846.8 - 3.4 ? 13.84. 【解答】 解：2.05 -25=0.082 0.13 - 0.17 ? 0.764.2 - 0.28=154.2 - 1.32 ? 3.182423-(100+23)=3000.56X1001000=0.056500-100X1000=50005.【解答】解：117.3 -0.4

46、6=25524X0.37=8.887- 0.35=207.2 - 4=1.87.【解答】解：2.76X24=66.24 12.6 - 0.28=458 .【解答】解：220.5 - 15=14.72.64X1.09 ? 2.886.3 - 0.125=50.40.84X1.65=1.3869.【解答】解：33.6 -56=0.68.96 - 0.28=327.12 - 0.22 ? 3.364.13 - 140.3010.【解答】解：(1) 12.4 - 4=3.1 (2) 45.9 - 0.6=76.5 (3) 51 - 0.3=170 (4) 52.8 - 12=4.4(5) 75.6 -

47、 0.18=420 (6) 9.6 - 0.32=3011.【解答】解：13- 2.5=5.254.5 - 0.16=340.6250.68 - 0.95 0.722.05X0.16=0.32878.6 宁 11=7.1 (商用循环小数表示)6.21 - 0.03=20712【解答】解：1.25 - 0.25=578.6 - 11=7.128.28 - 0.4=70.70.303 - 5=0.060613.【解答】解：1.57 -3.9? 0.400.58X0.24 ? 0.1470.7- 33=2.114.【解答】解： 64.8 - 1.8=36 8 - 6.69 ? 1.3 ;0.65X3

48、.84 ? 2.515.【解答】 解：9.4 - 11=0.8 *144- 12=1214.2 - 11=1.215.【解答】解：75.6 -0.18=42025.6- 0.032=8002.78X1.8=5.0045.63 - 6.1 ? 0.9210-3.3 ? 3.16.【解答】解：30- 74.2960.9- 3.2 19.025- 9.9 317.【解答】 解：(1) 6.21 -0.03=207 (2) 10.8 - 45=0.24 (3) 8.54 -0.7=12.2(4) 72.9 - 0.9=8118.【解答】 解： 50.96 -6.5=7.84 9.25 -3.7=2.5

49、 15-74=0.22 6.72-4.2=1.619.【解答】 解：(1) 1.25 - 0.25=5 (2) 8.4 - 0.56=15 (3) 8.54 - 0.7=12.2 (4)78.6- 11=7.12.346 - 2.3=1.0270.3X3.6=253.0829.9 - 0.46=65 *4.65 - 1.3 ? 3.5822.【解答】 解：24.6 -0.16=153.75 13.9 -62.320.325 - 1.5 ? 0.226.24 - 0.8=7.8 18.3 - 4=4.575 19.2 - 6=3.223.【解答】解：7.05 - 0.94=7.51.71 - 3

50、.8=0.454.83 - O.7=6.95.7 - 9=0.638.2 - 2.7=14.42.16 - 18=0.121.8 - 0.25=7.23.7 - 2.2=1.624.【解答】解：(1) 3.9 -0.26=15(2)9.35 -3.4 ? 2.8 (3)0.17 -0.11 ? 1. (4)0.168 -0.7=0.24(5) 4.05 - 18 0.23 (6) 4.68 - 5.4 ?26 .【解答】解：21.45 - 15=1.4349.04 - 8=6.13217.6- 34=6.411.7 - 36=0.3251.69 - 26=0.6554.81 - 27=2.0327.【解答】解：25.32 - 0.15=168.80 1.03 - 1.2 0.86 1.07 - 9.2 0.129.45 - 0.32 29.53 13.51 - 0.13 103.92 17.96 - 0.36 49.8928.【解答】 解：47.04 - 5.6=8.452.92 - 0.27=1963.28X2.7=8.8560.764X1.20.928-1.28=6.25 15.36 - 12=1.2829.【解答】解：0.195