1、学校： 班级： 姓名： 学号 学校小学数学五年级下册口算竞赛试题 计划做题所需时间： 10 分钟 成绩： 书写： 一、我会算。（200题，每题1分）12.580= 14.80.1= 7.2+4.8= 8.560= + = = 240.6= 55-5.5= 6.60.3= 92100= 1.51000= 3.02100= 4.848= += = 10 3 = 14.8+2.2= 2.60.3= 14.6+24= 2.44= 0.97= 0.6+7= 1.258= 7.20.1= 2.50.4= 3.351000= 1.24= 625= 0.93= 51.7= 2.90.9=4.7+2.3= 46
2、.7-3.8= 3.280.1= 5.40.6=4.52= 12.84= 3.90.13= 3.25=6.9-2.5= 5.213= 7.20.1= 70.62=7.20.8= 120.2= 0.010.1= 0.560.8=63.4= 1.64= 0.250.4= 7.4-2.8=1.7+2.7= 3.52= 3.5+0.05= 4.2+1.25= 0.62-0.32= 1020= 1.60.8= 0.180.2=1.40.5= 2412= 12.5= 0.168=0.75100= 8.6510= 1.250.8= 4.50.02=5.40.1= 0.03+30= 0.1258= 3.251
3、000= 8.1100= 3.151.5= 1.258= 3.43100= 1.70.7= 10.04= 1+0.3= 0.8= 371000= 0.78= 0.9+9=2.50.4= 0.025= 801.25= 0.068= 0.450= 3.0610= 1.510= 8100= 2.2150= 600.5= 2.82= 6.66= 0.25+0.75= 0.25= 90.8+0.8=1.23= 0.490.7= 140.5= 4.23= 0.62-0.32= 1020= 1.60.8= 0.180.2=1.40.5= 2415= 12.5= 0.168=0.75100= 8.6510=
4、1.250.8= 4.50.02=0.020.5= 0.350.6= 3.20.04= 8+7.2=3.60.3= 3.080.01= 01.7= 1.230=6.37= 4.951000= 0.2210= 0.0120.2=5.6100= 6.90.1= 9.60.8= 30.3=0.750.25= 0.40.5= 50.24= 96=0.1258= 2.40.8= 4.5-0.05= 3.60.12=4.80.3= 10.89= 3.90.13= 7.80.6=0.962= 9.60.8= 16.50.5= 25=.0.5628= 0.1082= 50.12= 4.5+5=0.360.4=
5、 4.950.9= 240.5= 0.30.6=0.640.8= 9.650.1= 4.80.5= 0.960.2=0.723.6= 0.325100= 2.8+4.2= 10.50.4=3.624= 2.58= 0.842.1= 7.3+0.27=0.81.1= 0.560.7= 50.25= 80.125=7.2+12.8= 0.1254= 7.8+0.01= 0.540.6=0.61+0.39= 5.6100= 8.710.1= 3.5-0.05=0.5628= 0.41+3.7= 210.21= 20.02=1020= 0.020.5= 0.80.13= 2.626=4.080.4=
6、7.2-0.8= 0.3417= 0.2540=+= 7.50.125= += 五年级数学下册口算题 班别： 姓名： 成绩：0.754.25= 4.25= 4.72.3= 0.75100=5.6100= 2.54= 109.25= 0.061.5= 0.30.5= 0.70.8= 10.01= 0.10.01= 2.10.7= 10.34= 0.1750.0225= 80.125= 5.63.8= 0.620.32= 0.020.5=0.750.25= 16.84= 0.1100= 6.30.9=0.258= 0.042.5= 10.01= 0.10.01=0.630.9= 0.60.54=
7、8.90.9= 0.962=5.92.5= 4.52= 3.63= 0.1258=0.531000= 72.80.01= 1125= 1.20.2=10.01= 480.6= 200.2= 10.4=9.633= 70.23= 4.80.3= 7.20.8=1.40.5= 29100= 6.30.7= 62.4=12.58= 8.90= 0.783= 0.350.5=9.360.9= 1000.4= 0.810.09= 0.40.9=105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 +
8、- + - 1-+ - + - + 1- - - + - + + 1- - + + + 8.9(3+0.9)= 78= 1.52.45= 21.7+21.3=0.41010.4= 1.250.70.8= 0.79+0.7999 15+15 0.89101-0.89 20.640.361.1-2.727 12.411-12.4= 1.253.30 203.77.3= 50.751.50.75= 1-0.10.1= 60.1258= 10.410.4= 37.29937.2= 2540.254= 0.97+10.7= 951.95 6.8-2.43= 0.60.3+0.5= 1.9+5.151=
9、1.80.90.5= 12-0.054= 10.010.1= 7.2-1.2+6.7= 253.30 (1.250.125)8= 7.74（2.81.3）1.52.26 =21（9.33.7）5.6= 36.541.764.54= 23.40.813.47.2= 13.70.253.74= 4.91.4= 0.85199 = 0.2536 = 3.20.2512.5=- - - - + 1- 6000毫升=（6）升=（6000）立方分米7.5升=（7）升（5）毫升=（7500）毫升1000000立方厘米=（10000）立方分米 =（10000）升56000升=（56000）立方分米45000毫
10、升=（45）升=（0.045）立方米 720立方分米=（0.72）立方米 =（720000）立方厘米3350立方厘米=（3.35）立方分米=（3.35）升16升=（16）立方分米=（16000）立方厘米1.3立方米=（1300）立方分米=（1300）升1立方分米=（0.001）立方米=（1）升7.7升=（7.7）升=（7700）毫升550毫升=（0.55）升=（550）立方厘米1.25升=（1250）毫升=（0.00125）立方米2立方分米=（2）升=（2000）毫升1立方米=10立方分米=（1010）升220立方分米=（220）升=（220000）毫升60000毫升=（6）升=（0.06）立
11、方米810000立方厘米=（810）升3.5升=（3.5）立方分米=（3500）立方厘米1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.541.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 =4/5 - 7/10 = 2 - 1/6 -
12、1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 3.8+2-8+2 = 4.25X4=123+25= 123-35= 567= 1355= 248+89= 146-23= 1555= 456-12= 456+45= 546-457= 4510=451 564-12=47. 879+54= .896-546=350 .5612= 45-5= 457+456= 0.3X2.5X0.4 = 50X0.13X0.2= 0.8X630X0.125= 0.78X101= 1.5X102 = 9.8X25 = 1.2X2.5+0.8X2.5
13、= 1.25X0.7X0.8 =3.8+4.5+6.2 = 930.313 = 3.250.84-0.16 = 88X0.25X4 =2.8X3.6+1.4X2.8= （3.2+0.128）0.8 = 9.83X1.5+6.17X1.5 =10.1X87 = 312X4+188X4 = 0.135X500X0.2 =6.3+0.84+3.7+8.16 = 18.75-0.43-4.57 = 0.25X0.03X4 =13.7X0.25X8= 2.65X1.7+1.35X1.7 = 32.8+5.6+7.2 =（2.5+0.25）X0.4 = 8X（2.5X0.25）= 8.4X0.2+1.6X0.2 =1.25X0.8X0.5 = （1.5+0.25）X0.4 = 1.2X0.4+1.3X0.4 =
