小数乘法计算600道(含答案)

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1、小数乘法计算道第一部分一.计算题(共50小题）1.直接写出得数 4.02=8.4=60.21250.8=309=0.90.013.90.01=990.25=2.用竖式计算下面各题.241.5 468.=（保存一位小数) 224.8=(保存两位小数)3.用竖式计算.(得数保存两位小数）.5.7 .6.94.用竖式计算.973.5= 6050.8= 0845= 336.67= 5.直接写得数. 620.3=.50.8=0.6=01625=52=048.76=6用竖式计算（计算成果小数部分超过两位的,保存两位小数）600.3 05914 7.按规定算一算.218 4.58.37 0.2.5(得数保存

2、一位小数) .4512(得数保存两位小数）8.列竖式计算:1.8085= 7.62.9= 5018.75= 用竖式计算.4.82= 158.510.竖式计算.1.3527 .48.51.用竖式计算.365.518363.520.280.251500.120.81.50.071.50.062.50.0412.竖式计算.0945.3= 09126= 4.00.75(保存两位小数) 81= 025.2= .80.9（保存一位小数）13直接写出得数0.254=1.88.26.90.218=6.1000.0500=3.2=0205=1.我会口算.0.4=01.6=5.5.11=005=50.8=9.9+

3、10.1150.8=.0.1=011.75+0.35=15.口算.=53.0792=22=41.5=360.=16.用竖式计算，得数保存一位小数2.46.7 .50.517.直接写出得数.025=0423=0+4=2.4.20200=2.810=8.9002.50.4=4.871.7=18.列竖式计算.0.6415= 0.17=直接写出得数0.7.= 0140.3 .10= 2.6.=20用竖式计算2.7531= .5= 0.762.18(得数保存两位小数） 0.917(精确到十分位)21列竖式计算.360.15=（得数保存两位小数） 1.0.12=0.61.4(得数保存一位小数） .50.3

4、922用竖式计算.8012=35=2.1.29=(验算）0.40103=045.961707=（得数保存两位小数）2.直接写得数.70.01=2.51510=1.10.4100.3=6.50.21.01=0870.6=1.73=2.竖式计算（得数保存一位小数)0.380. 5.73.6 46.5竖式计算.3.0.25 9.8.64= 3.1300=26.口算0.05=3.2=4.7=4.5606+=5+3=6.620.11直接写出计算成果 0.31.15.9+2.1+4.1=02410.41.5.6159.3=0.56.5=18880.2=0.461.28.直接写得数.60.7=0.85=10

5、.4=2.340=.01.=0.07=29用竖式计算.0.20.8= 1.8= 1.30.0=3用竖式计算1.50.12 3.0802= 1.6.7 3.15.35（保存一位小数）31.口算.9.37= 3100= 8989= 10.4= 84=32列竖式计算：30.50.76 0.50.19.33.直接写得数:.3 3.062 0.24 4.1 5100 24 1.64 1.54.竖式计算0380.25= .15= 8.5.39=(验算) 0871.（保存二位小数)35用竖式计算并验算.14.53+.67 7.65 1.8 62.9.736口算：2=0.254=128=0.125870.7=

6、10.158=.2320.2556=37.口算0.20.4.+.8=6450.01.50.4=.8502.45=0.90.52=10.24.5=38.竖式计算，带*的要验算*4.30280.5631524.50.80.60631.01.836739.竖式计算5.408 7.63.2 008114 3.172.（得数保存两位小数) 3(得数保存一位小数) 54.30.7(得数保存整数）40.列竖式计算2.612 32 21154直接写出得数072.50.1=21.22=18a+0.2a=0.40=0.20.04=0.8100=2.500.70.8=42.口算02100=620=100=12万+3

7、万=8a+=6.210=.7100=23.610=.2510=3竖式计算0.182 3.2615 3.17 1.514.5 8.415 045 1.5500213 4281 2.61144.直接写出得数 401.=250.=63=.8+.90.56+44=2.40.5=1258=3.0.06=10.482=45.列竖式计算03418 4.63.8 （积保存两位小数)6计算438. 032= 5.= 64.口算9.50.=3.20.50.82.5=40.43.=.5=.025=8.85=0.5=12=8竖式计算0.4327= 1852.=验算: 0.32（得数保存一位小数）7.020.56（得数

8、保存两位小数）49.直接写出得数0.7.92.60.=.0.3=5.5101.70.03=.80.4=.126=4.85=50.竖式计算5.61.8= 0.5004(保存两位小数) 3000.96=第二部分一计算题（共0小题)1列竖式计算:1.80.36=35.3728.319.97=106.8=8.+28.6=2.8718.652用竖式计算下面各题2.1.5= 468.7=(保存一位小数) .21.8=(保存两位小数)3.直接写得数.0.10210=4.2+30.23.5.257.43.60.=4=0.10.=0.51用竖式计算(计算成果小数部分超过两位的,保存两位小数).0235 8.3.

9、 .51.45.列竖式计算:1.80.85=7.621 5018.75=6用竖式计算48025 9.31.3 9.80.5 .12.15.用竖式计算.(得数保存两位小数）3.31.7 5.638直接写出得数.2.4=.81006.566 1+34=19.288=280.7=0.53000=1082.54=9列竖式计算3.481.05(计算并验算） .538(得数保存两位小数）10竖式计算048=5.810=0.70.25=13.452.6(保存整数) .65（保存整数） 0.2342（保存一位小数）1.直接写得数. 6.20.3=0.6=0165521=087=12.按规定算一算29.8 45

10、80.3 0.825（得数保存一位小数).4512（得数保存两位小数)1用竖式计算.840.5=0.5560475.=6.003=.0007=3.77=1.列竖式计算.40.25 6.52.4 0.00.6 .50.02415用竖式计算.23.5= 6.050.83 .74.5 3.36.7=16用竖式计算365183063.4520.280.25150.12.87.50.40.761.50.66.5.017竖式计算4.57.8 0.1250. 3.49.38.5 3.6 3.351.6.1竖式计算0.945.= 126= .060.7（保存两位小数)31.5= 0.253.2= 7.9(保存

11、一位小数)19我会口算.54.=801.6=55011=0.0650.40.8=99+10.1=1.250.8=.80.1=0.15=1.+0.35=2.列竖式计算,带*号的要验算25.783.12= 1.8= *.67 *5.73.7= 1.直接写出得数.0.12510=60100=91032+468=15.+4.3=4100.8=799+7=14.+0.34=30.5+2.5247.542.6261+74+8=22用竖式计算.4.61.2 582.5= 3用竖式计算，得数保存一位小数2.46 .5.5 24.竖式计算7.6.82= 3.25031 7.50.59=(验算)25.口算.=5=

12、53140=926232=1.=346.=26.直接写出得数0.825=4.3=0.57+0.43=2.40.=0.02500=80=.29100=2.50.=4.871.7=7.列竖式计算06412.5= 280.17= 8.列竖式计算4.87 1.882 2.40.7 08953 2列竖式计算（得数保存两位小数).510 5164. 0450.2063列竖式计算0.040.1 4.258.8 3.840.25.31竖式计算.60.25= 1.= 31300=2.用竖式计算2.7.1= .18.45= .762.18(得数保存两位小数） .917(精确到十分位）3列竖式计算.360.1=(得

13、数保存两位小数） 1.0.1=0.8614=(得数保存一位小数） .9=34.用竖式计算.80.12=1.35=2.31.2=(验算）.4010.3=.4506=0.170.71(得数保存两位小数）3直接写出得数.0.70.9= 0.40.= 5.0= 2.05= 6.列竖式计算：300.7 .54.9.竖式计算.1.3520 6.48.05.38.直接写得数.700.01=2.15101.4=1036.50.=0.10.0=.8706173=9列竖式计算2.12 .321.2 2.15直接写出得数07=2.6+0.4=1500121.221=18+0.2040.4=.120.040810=2

14、.540.0=41.竖式计算.（得数保存一位小数）.38023 .793.6 46.25.42用竖式计算0320.8= .64.8= 17.6=4.竖式计算(*验算）8.4.15= 1.516.3= 004.58= *5.7+0.3=44口算.0.70.53.20.1.7=4.5=0.36+9=5.7+3=6.62=0131=45.用竖式计算1.4501 3.80.28 13.2.7= 3.1505（得数保存一位小数)46竖式计算0.3825= 0.121= .50.3=（验算） 07. (得数保存二位小数) 47.直接写出计算成果 03.=5.79+231+4.1=0254=1.4=15.6

15、=1.0.3=0.511=.55=18010.64.61548.竖式计算.380.5 150.2 71.91.22.3 2.070. 0.171.05.用竖式计算80.12=(验算） 1.3.5(验算)0.10.3= .40.6= 0.10=0直接写出得数.0.13.209=.22=0.85=.90.312.52=8m6m=1.620.2=5.4.=0.05310=1.5+12.5= 第一部分参照答案与试题解析一计算题(共50小题).【解答】解:040.02=0.0080.4070.2=1.51.250813.8=02090.1=903.0.01.0399025=24.5 2.【解答】解:（1

16、）.41.536（）0.468740（3)2.2.4.0 【解答】解：.375.70563391.64【解答】解:.973.5103956.0.8=.21078.=.513363.67=2.331 5【解答】解:6.2.31.862.5.8=.060.3162452.1=1.5048.766【解答】解:.020.352.18743.8=.30.59140.2 .【解答】解:9.852458037=1.69460.82=205.45.72938【解答】解：80.85.37.62.1=5.15017531.25【解答】解:4.2.6161.82.5=3.95 10【解答】解：1.3527=368.

17、 6.48.=51.52 .【解答】解:（)35=98;(2)183.06=55.08； ()3.4521=72.5;(4）0.2802=0.0; (）0.12=1; (6).871.5=.35； (7）0.4006=0.304; （）150.020.093; (9)65.6.1.【解答】解:(1）.94.=.9；(2).912.266;（3）4.00.7505;(4）8.41.51.64；(5）023.2=.8;(6）7.80.7.0 1【解答】解:0254=11.258=18.2.00.218=3.66.2100690250=103.426.80260.5=.3【解答】解：.54.42.2

18、81.65511500.065=00.0.8=16.9+0.1=201.2081.08.1=0.840.15=3.851.70.5=10 15.【解答】解:.25=15.75.14.70.7=3.592816227415=7.853460.59.26.【解答】解:2716.13.50.51.8 1【解答】解：.825=204.23=007+03=1240=040.050002.80=28.210822.4=148717=3.178【解答】解：（1)0.641.5=8（2)2017=49【解答】解:0.70.9=0.30.14.3=002.0=552.60.=1.20【解答】解:（1).75.1

19、=8525(2)3.1.45=7.331(3）0.62.816(得数保存两位小数)（4)0.091702（精确到十分位)2【解答】解：0.0.150.051.4512=.4061.40.1.5.39=.3522.【解答】解:80.12=061.93.5=6652.3129=2.670.010.3=.1200.450.96=0.4320170.710.1 23【解答】解：700.1.72510=25.11.040.4400.3=1.6.50.21.30.0.0=0.0010.70.6=271.3=51 24【解答】解:.380.231.79.620.846021.25.【解答】解：3.6.25=

20、0.81.64163.100=930 26.【解答】解：0.70.5=033.27.20.1.=068.560+=.36.7+3=8.661.31=0.3127.【解答】解:031.1=.3579+.1+4.2112310.54.20.3.50.6=091.95.5115655=15108.880.1=10.6415=.8【解答】解：0.60.7=0420.85=4110.=.4340=00051.0.080.027=0.1429【解答】解:.320.8=.51364.8=6.52817.061.0380【解答】解:.450.1=0.1743.8.8=086413.56.70453101.31

21、【解答】解：9.370=0.10=73089+29=27210.04=0.96841 2.【解答】解:30.7623.18 050.19=1263【解答】解：.53=7. 3.06=12 0.254=1 4.1=42 5.10=5302.65 2.24=.8 1.64=64 1258=0 34.【解答】解:030.50.95.151.88.50.39=3 0.751.31 35.【解答】解：1.53+50.2.2645=05.02.8=94验算:6291.7=37验算:36.【解答】解:0.5210.254=1.8=1001258=77010.158=01.532=80.2556=14 37【

22、解答】解:0.20.4=0.088.2+18=06.45.01=0.642.50.4=10850=402.4510.9.52=0.202.5=4538【解答】解：*230.028=.144360.5=20131.524571.50056=0.4480.63105=665.83.67=6.6639【解答】解：3.40.8282 7.61.2=6 0.08.4=0.0172.88.8; 035.6.7 530.74 4【解答】解:24.622. 4.31.23. 10.1=14041.【解答】解:7=26+0.4=35001=0.15222=0.21.0.2=20.40.4=0.110.04=.0

23、0.8100=802.500.720.8=0.642.【解答】解：12100126.21062010000512万3万15万8a+a=9a6.2=0.6.74100=34236100=0.263.2510=3.5 43【解答】解:(1)0.182=2.1(2）3.261=4.9 ().117=52.(4）1.2545（5)10.5=7（6）8.415=16 （7）0.459=4.05 (8)1.53=52.5(9）0.02130.26 （0)4.281668.48（1）.611=6.98 44.【解答】解：401.2=80.=106=217.80.9=8.70.56+4.4=2.0.5=1.1

24、.2580=103.0=120.4308264 45.【解答】解:.0318=36.6246381.43 .【解答】解：438.=52.880.522.16356517.73=20.147.【解答】解:9.5.2=1.20.5=1.60.82.5=4.40.416350.4=144.850=204.0.=1.28.851.0.5=.12=50 48.【解答】解：03211.1;1.85.6=4.1；0.372.40.9(得数保存一位小数）;7020.633（得数保存两位小数);4.【解答】解：0.70.9=0.63.60.=.003=.45.510510.03=0.0511.80.0=0.07

25、2.6=0.245=24 50.【解答】解：5618=108 0.2.6.0135000.96=3360第二部分参照答案与试题解析一.计算题(共0小题）【解答】解：1.80.36=0.6435.37+286=619.98.75=115.00.48=0.018.9+265=7.5522.78.65=. 2【解答】解:（1）2.4153.(2).48.74.0（3).218403 【解答】解:0.02100=02.3=.20.2305.150250.=73.0.6=42=16.10.0=100.5+1=2.【解答】解：6020.11.7438=230.591. 5【解答】解:1.80.8=7.62

26、.19=5.415018.1.56.【解答】解：.8.5=.29.31312.090.54.922.15=4.55 7.【解答】解:33.7.05.6339219 8.【解答】解：0.1.4=0488100=0.0386.60.56=101 .6+3.0=4.6419.2808=18.482.80.7=40.53100=530108.5410.9【解答】解：3.8105=3.65验算：1.5.0 0【解答】解：.64=1.5225.8102=23.7.511713452.635 48658390234. 11.【解答】解:6.0.3=1.6.0.=20.0650.30.125=452=10.0

27、4.76=0 12【解答】解：2.91.8.22.580.71.9460.82.=2.5.72.37 13.【解答】解：840.2=21054=35.2.475.=2.726660.32=190.0750.0=0.00523.9.73.49 1.【解答】解：40.250.85 .5.4=150.050.6=001 1.20.024=0.03 15.【解答】解:2.93.5=10.95658=5.020784.5=353.36.67=2.33116.【解答】解：(1）65=98；（)183.06=5.08; (3)3.452172.4；(4).280.20.07; (5)50.1=18； (6)

28、087.51.5; (7)0.40.0.004； ()150.062=0.; （9）6.5.=0.26.7.【解答】解：（）4.71.8=8.226；（2）0.12500.1;(3).50.=0.9;（4)9.3785=79.；（5）273.=.452;（）.351.=5.36 18【解答】解:(1）.9453=4.82;(2）0.912.6=2.66；（3）4.060.753.0；（4）84315=12.645;(5）.23.=0.8；（）7.8097.0 19.【解答】解:0.544=2.2801650.0.11=50060.0.8=1699+1.120.250.8=10.0801=040

29、.1=3.8515+0.35=10 0【解答】解：5.7+31=8.938=1242*82.7533验算:*5.73+6.7=2.43验算:21【解答】解:025100=2560100=06910=0.90.32+.68=5157+4=254100100=9.7997=704+.34=14.930.+2.5=337.42=1426+9+74+00 2【解答】解：.61.251.825=39523.【解答】解：246.71613.50.51.824.【解答】解:(1)7.60.82=.232；（2）3.250.31=1.005;（3).50.5=4.25. 5【解答】解：3=.425=5.53.

30、415.757=3.592=81623=241.=834.6.569.2 2.【解答】解：.25204.23=0070.3=12.40.2=0.4800250002.0=8.29100=82.50.=1.871.7=17 27【解答】解：(1）.61.58（)28017=0.76 2【解答】解：.81781.6.8825=47.4.37=0880.895.4.717 【解答】解：2375105249.38 5.16.322.19 0.50.0.9 3.【解答】解:.40.2=0.00484.8.8=7.3.840.25=0.952 31.【解答】解：3.60.5099.81.648163.13

31、930 2.【解答】解：(1).53.1=8.25(2)3.185457331().762181.(得数保存两位小数)(4）0.091.7.(精确到十分位) 3【解答】解：.6150051.501=0.1740.81.405.39=2.553.【解答】解:80.2=0.9193.662.122.9670.4013=0.30.50.60.43.70.712 3.【解答】解:.70.90.0.40.3=0025.510=52.6051.3.6.【解答】解:300.76=23.18 0.50.90.0 7【解答】解:1.570=368.5 .4.05=55238【解答】解:700.1=0.72.51

32、10=251110.4=0.4100.=0.3.50=1.1.=00.870.6271.735. 39.【解答】解：2.12=.05 4.32.2=3. 20.140 4【解答】解：07=2.6.4=315010.15.221=0.21.8a+0.2a=.40.0.160120.04.08.810=0.54=00.720.8=.576 41【解答】解：0.80.20.15.793.620.84.60.21.2【解答】解：0.8=0.21.364.8=6.528.3006=138 43【解答】解：8.151.2616.16.3=10.1004.58=52*56.7+0.3=57.3 4.【解答】

33、解:070.5=035.6=.20.41764.5=27.36+9.6.7+876.62=32.1.1=0.31 45【解答】解：1.450.120.743080.28=862413.526.7=360.453.50.3114.【解答】解：0.380.25=0.0950.1215=1.88509=3.315 081.5.3 47【解答】解：.1.1=.3579+2.31+.21=.30.54=112.431.0=.91.50.3=5.30.511=5.6.55=1.5.880.12=10.4.61.5=0【解答】解:0380.25=0.95500.12=180.71.9=165.28.29442.00.4=0.49680.171.05=178 49【解答】解：8020.9 1.93.6650401.=0.03040.96=04320.17071=0.120750【解答】解:0.130261.9=012=0.160=40.901=.09311+22=.330.5=0.258m6=2m.6202=1594.4=0.30.05105.3125+.57=100