人教版五年级数学口算比赛
人教数学五年级下册计算比赛(精品)
1、口算。
9×0.4=10×0.01=30.2-3.02= 4.3-0.25=1-0.82=9.6×0.3= 2.6÷0.01=20×25.4=4.8×0.4=5.4+4.62= 9-3.2= (1.5+2.4)×0.2= 3.6×0.6=9.5×0.1=7.2×0.8= 1.7+1.3×0.4= 5.4×0.6= 10×2.5=35×0.05= 8.5×0.5+0.6= 25分米50厘米=（）米3角20分=（）元2、解方程。
1.5x－10.8 =2.7 0.2x＋2x=15.4 38.9－1.5a=5.44、简便计算。
36.54－1.76－4.54 0.85×199 2.5×2.5＋4.6×2.5+2.5×2.9 1、口算。
12－3.8＝8.1－0.05＝0.64×0.4= 2.5×0.5= 0.24×0.3＝0.2×0.5＝ 2.4×0.8= 0.1×0.01= 8.89+0.1= 2.5×3= 4×0.5= 4.4×(5×0.2)= 0.96×0.06= 7×1.3= 7×2.1= 13＋0.7×0.7= 0.36×0.3= 0.35×0.7= 24×0.25= 4×1.7×0.25= 250平方米=( )公顷18分=( )小时15秒=( )分2、解方程。
0.5x+2x =27.5 1.5(3.2y+0.6)=10.5 1.2x+3.2×1.7=9.043、简便计算。
7.325-(5.325-1.7) 35×40.2 0.86×15.7－0.86×4.7－0.861、口算。
人教版小学五年级上册数学口算题大全
人教版小学五年级上册数学口算题大全人教版学校五班级上册数学口算题大全学校五班级的数学口算力量应当是很强的了,但是这样的练习不能停下来,不然就会退步,以下是我预备的一些人教版学校五班级上册数学口算题，仅供参考。
学校五班级上册数学口算练习题大全0.36÷12= 0.5×0.2=6.25×8= 0.75×4=2.4×0.5= 22×0.02=0.27÷3= 12.8÷0.4=0.01×0.1= 9.8×0.7=4.4×2.5= 7.4÷0.5=0.72÷8= 0.32÷0.8=0.37×20= 5.5×0.3=0.45÷0.5= 4.9÷0.01=0.25×0.04= 0.25×0.8=8.4÷0.01= 2.7÷3=0.05×0.6= 0.8×1.25=0.03×0.4= 12.8÷0.4=0.7÷100= 9.4÷0.2=人教版学校五班级上册数学口算题2.4×0.2= 0.96×10=8.4÷0.1= 1.5×0.3=2.55×0.4= 0.15×0.4= 0.42×1.01= 0.8×0.5= 0.75×8= 1÷0.2=0.6÷10= 1÷0.25=3.6÷0.3= 2.08÷0.1=1.06×5=2.51×104=0÷1.69= 0.4×0.5=1.7×3=2.2×3=7.6÷4= 0.85÷0.5=0.25÷0.5= 0×3.7=1.2×0.3= 9.9÷1.1=0.25÷5= 1.5×0.6=0.95÷9.5= 6.13÷100=五班级数学上册第七单元口算题0÷1.5= 6.3÷2.1=4.4×0.1= 4.2×0.8=3.1×0.7= 0.5×0.2=0.73×0.4= 1.5÷0.15=7.4÷0.5= 0.72÷8=0.65×0.6= 4.5÷0.3=1.34×2= 1÷0.01=3.4×0.6= 9.6÷1.6=7.2×0.01= 11.2÷0.2=0.15×0.4= 0.05×6=4.2÷21= 6.28÷3.14=1.25÷2.5=二解易方程4/5x=20 2x-6=127x+7=14 3x+7=283x-7=26 9x-x=1624x+x=50 6/7x-8=4二、填空1.一个数乘3,减去5,除以4,再加上8减去2,除以2,得5,这个数是( )。
(完整)2019精选教育人教版小学数学五年级上册口算竞赛题WORD.doc
1.24÷4=
3.27＋0.63=
5.02×0.3=
0.3×0.5=
6.4÷4= 7.2÷1.8= 0.7÷0.35= 0.72÷1.44=
0.48÷0.04=
1.25÷2.5=
5.5＋55=
16.8÷8=
0.54＋2.2=
3.5－0.05=
0.16÷8=
4.5×0.02=
8＋7.2=
1.2×30=
0.012×0.2=
.3×0.3= 9÷6= 3.6÷0.12= 7.8÷0.6=
2÷5=
4.5＋5=
0.3÷0.6=
0.96÷0.2=
10.5×0.4=
7.3＋0.27=
8×0.125=
0.54÷0.6=
0.61＋0.39=
0.56÷28=
2÷0.02=
0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5=
0.45×102=
0.25×88=
2.64＋3.85＋1.54=
8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3=
2.5×101=
0.22×102=
9.6÷0.8=
5×0.24=
4.5－0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5=
2.8＋4.2=
0.84÷2.1=
5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
人教版小学数学五年级下册口算竞赛试题
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）12.5×80= 14.8÷0.1= 7.2+4.8= 8.56×0= 45 + 25 = 57 －37 = 24÷0.6= 55-5.5= 6.6÷0.3= 92÷100= 1.5×1000= 3.02×100= 4.8÷48= 13 +17 = 13 －15 = 10 3 ==14.8+2.2= 2.6×0.3= 14.6+24= 2.4×4=59 ＋89 ＝ 18 ＋78 ＝ 0.9×7= 0.6+7= 1.25×8= 1924 －1324 ＝ 7.2×0.1= 37 ＋47＝118 －18 ＝ 2.5×0.4= 3.35×1000= 1.2÷4=6－2．5= 0.9÷3= 5－1.7= 2.9－0.9= 4.7+2.3= 46.7-3.8= 3.28×0.1= 5.4÷0.6= 4.5×2= 12.8÷4= 3.9÷0.13= 3.2÷5= 6.9-2.5= 5.2÷13= 7.2×0.1= 7×0.62= 7.2×0.8= 12÷0.2= 0.01×0.1= 0.56÷0.8= 6×3.4= 1.6÷4= 0.25×0.4= 7.4-2.8= 1.7+2.7= 3.5×2= 3.5+0.05= 4.2+1.25= 0.62-0.32= 10÷20= 1.6÷0.8= 0.18÷0.2= 1.4×0.5= 24÷12= 1÷2.5= 0.16÷8= 学校： 班级： 姓名： 学号5.4×0.1= 0.03+30= 0.125×8= 3.25×1000= 8.1÷100= 3.15－1.5= 1.25×8= 3.43×100=1.7－0.7= 1－0.04= 1213－313＝ 112+0.3=0.8－35= 37÷1000= 0.7×8= 0.9+9=2.5×0.4= 0.02×5= 80×1.25= 0.06×8= 0.4×50=3.06×10= 1.5÷10= 8÷100= 2.215×0= 60×0.5= 2.8÷2= 6.6÷6=0.25+0.75= 34－0.25=34＋14＋14＝ 9×0.8+0.8=1.2÷3= 0.49÷0.7= 14×0.5= 4.2×3=0.62-0.32= 10÷20= 1.6÷0.8= 0.18÷0.2=1.4×0.5= 24÷15= 1÷2.5= 0.16÷8=0.75×100= 8.65×10= 1.25×0.8= 4.5×0.02=0.02×0.5= 0.35×0.6= 3.2÷0.04= 8+7.2=3.6÷0.3= 3.08×0.01= 0÷1.7= 1.2×30=6.3÷7= 4.95×1000= 0.22×10= 0.012×0.2=5.6÷100=6.9×0.1= 9.6÷0.8= 3×0.3=0.75÷0.25= 0.4×0.5= 5×0.24= 9÷6=0.125×8= 2.4÷0.8= 4.5-0.05= 3.6÷0.12=4.8÷0.3= 10.8÷9= 3.9÷0.13= 7.8÷0.6=0.96÷2= 9.6÷0.8= 16.5÷0.5= 2÷5=.0.56÷28= 0.108÷2= 5×0.12= 4.5+5=0.64÷0.8= 9.65÷0.1= 4.8×0.5= 0.96÷0.2= 0.72÷3.6= 0.325×100= 2.8+4.2= 10.5×0.4= 3.6÷24= 2.5×8= 0.84÷2.1= 7.3+0.27= 0.8×1.1= 0.56÷0.7= 5÷0.25= 8×0.125= 7.2+12.8= 0.125×4= 7.8+0.01= 0.54÷0.6= 0.61+0.39= 5.6÷100= 8.71÷0.1= 3.5-0.05= 0.56÷28= 0.41+3.7= 21÷0.21= 2×0.02= 10÷20= 0.02×0.5= 0.8×0.13= 2.6÷26= 4.08÷0.4= 7.2-0.8= 0.34÷17= 0.25×40=7 10+16+310= 7.5－78－0.125=712+512=78－38＋38＝五年级数学下册口算题班别：姓名：成绩：0.75＋4.25= 4.2×5= 4.7＋2.3= 0.75×100=5.6÷100= 2.5×4= 10－9.25= 0.06×1.5=0.3÷0.5= 0.7×0.8= 1＋0.01= 0.1÷0.01=2.1÷0.7= 1－0.34= 0.175＋0.0225= 8×0.125= 5.6＋3.8= 0.62－0.32= 0.02×0.5= 0.75÷0.25= 16.8÷4= 0.1÷100= 6.3÷0.9=0.25×8= 0.04×2.5= 1×0.01= 0.1＋0.01=0.63÷0.9= 0.6＋0.54= 8.9－0.9= 0.96÷2=5.9－2.5= 4.5×2= 3.6÷3= 0.125×8=0.53×1000= 72.8×0.01= 1÷125= 1.2÷0.2=9.63÷3= 7－0.23= 4.8÷0.3= 7.2－0.8= 1.4×0.5= 29÷100= 6.3÷0.7= 6＋2.4= 12.5×8= 8.9×0= 0.78÷3= 0.35÷0.5= 9.36÷0.9= 100÷0.4= 0.81＋0.09= 0.4×0.9= 10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝ 1.01×99＝ 420÷35＝25×12＝ 135÷0.5＝25 +15 ＝ 47 -27 ＝ 58 +18 ＝ 255 -105 ＝ 1-89 ＝ 16 +16 ＝ 23 -13 ＝ 910 +110 ＝ 712 -512 ＝ 12 +15 +12 ＝ 1-25 ＝ 47 -27 ＝ 910 -310 ＝ 29 +49 ＝ 25 -15 ＝ 13 +23 ＝ 18 +18 +38＝ 1- 29 -49 ＝ 1211 -111 ＝ 47 +47 ＝ 34 +14 ＝ 34 +14 ＝ 8.9－(3+0.9)= 7÷8= 1.5＋2.45= 2×1.7+2×1.3= 0.4×101－0.4= 1.25×0.7×0.8= 0.79+0.79×99＝ 1÷5+1÷5＝ 0.89×101-0.89＝ 2－0.64－0.36﹦ 1.1-2.7÷27＝ 12.4×11-12.4= 1.25×3.3×0﹦ 20－3.7－7.3= 5×0.75÷1.5×0.75= 1-0.1×0.1= 6×0.125×8= 1×0.4÷1×0.4= 37.2×99＋37.2= 25×4÷0.25×4= 0.9×7+10.7= 9÷5－1.9÷5﹦ 6.8-2.4÷3= 0.6÷0.3+0.5= 1.9+5.1÷51= 1.8÷0.9×0.5= 12-0.05×4= 1×0.01÷0.1=(1.25－0.125)×8= 7.74×（2.8－1.3）＋1.5×2.26 =21×（9.3－3.7）－5.6= 36.54－1.76－4.54= 23.4－0.8－13.4－7.2= 13.7×0.25－3.7÷4= 4.9÷1.4= 0.85×199 = 0.25×36 = 3.2×0.25×12.5= 910 -410 ＝ 14 -15＝ 58 -38＝56 -16 ＝ 29 +59 ＝ 1-56 ＝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）立方米810000立方厘米=（810）升3.5升=（3.5）立方分米=（3500）立方厘米17×40＝100－63＝ 3.2＋1.68＝2.8×0.4＝14－7.4＝ 1.92÷0.04＝0.32×500＝0.65＋4.35＝10－5.4＝4÷20＝ 3.5×200＝ 1.5－0.06＝0.75÷15＝0.4×0.8＝4×0.25＝0.36＋1.54＝1.01×99＝420÷35＝25×12＝135÷0.5＝3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 -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 -1/3 = 0.51÷17＝32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝4.9×0.7＝1÷5＝6÷12＝0.87－0.49＝ 3.8+2-8+2 = 4.25X4=123+25= 123-35= 56×7= 135÷5= 248+89= 146-23= 155×5= 456-12= 456+45= 546-457= 45×10=451 564-12=47. 879+54= .896-546=350 ...56×12= 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 = 1.25X0.7X0.8 =3.8+4.5+6.2 = 93÷0.31÷3 = 3.25－0.84-0.16 = 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 = 0.25X0.03X413.7X0.25X8= 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 =本文由作者精心整理，校对难免有瑕疵之处，欢迎批评指正，如有需要，请关注下载。
小学五年级口算竞赛试题一
小学五年级数学速算比赛试题（一）姓名________ 分数________口算0.36÷0.4= 6.3÷7= 0.64÷0.8= 0.72÷3.6= 3.6÷24=0.8×1.1= 7.2+12.8= 46.7－3.8= 10÷20= 24÷15=12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 5.6÷100=8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= （1.2＋8.8）×0.4= 0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7=0.125×4= 3.28×0.1= 3.9÷0.13= 0.25×0.4= 1.6÷0.8=1÷2.5= 1.25×0.8= 7.2×0.1= 0.01×0.1= 3.2÷0.04=0.22×102= 9÷0.25÷4= 0.25×3.97×4= 0÷0.125= 6.9×0.1=0.75÷0.25= 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4=0.7×9= 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4=5.2÷13= 1.64+4.1= 10÷20= 24÷15= 0.35×0.6=4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4=0.62－0.32= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3=1.2×500= 756÷7= 494-98= 0.25×48= 0.4÷0.08=875+12.5= 3÷0.125= 9.6÷32= 9.83-8.3= 3.6÷7.2=3.23－0.9= 5.25×4= 12-6.8-2.2= 5.2+0.37+4.8= (0.15+5)×4= 28.3-5.3+7.3= 0.25×32×1.25= 7-1.45+0.55= 15÷0.5×2= 5.82-(4.2-0.18)= 3.6÷0.5×2= 7.2÷0.2÷18= (200+4)×25= 18÷0.125÷8= 4.75×120÷475= 1.5×8+8×1.5= (0.25+12.5)×8= (8-1.25)×8= 1.8×9+3.2×9=3.52÷1＝37.2×99＋37.2= 708×28≈ 6.4÷4﹦ 1.5÷0.3﹦5392÷9≈ 1×0.4÷1×0.4= 1.8×5﹦7.2÷0.9﹦640×12≈8.4÷0.4﹦25×4÷0.25×4= 2.2×6﹦271÷31≈ 4.5÷0.9﹦294×3≈ 11.9÷5－1.9÷5﹦ 2.5×4﹦ 25×3.3×0﹦ 2.5×0.4=0.42÷7= 7.2×88＋12×7.2﹦0.3÷0.1﹦420÷58≈ 1.2÷0.04=240÷77≈ 1.25×3.3×8﹦789×4≈ 0.7+3= 1.2×0.8=6.3÷0.021= 0.9×7+10.7= 1.5÷0.03= 6.8-2.4÷3= 632÷91≈5×0.7= 0.6÷0.3+0.5= 0.43×5= 3.6÷0.9-4= 240÷37≈3.6-0.36= 1.8÷0.9×0.5= 8.1-2.2= 72×125= 6.8＋8.6=9.4×0.2= 6×0.125×8= 580-400= 43×0.01﹦ 3.72×0.2=二、脱式计算（每题2分，共40分）1280÷16÷8 27.3-7.3-2.7 9.8+26.5+20.2 3200÷4÷25= = = =17×23-23×7 2000÷125÷8 6.7+2.5+3.3+7.5 12.5×(8×14)= = = =99×3.8+3.8 2.5+7.5-2.5+7.5 48.7-18.7-13.9-6.1 2.5×(4+8)= = = =13.5+39+6.5+11 60+255+40 1250÷25÷5 800-138-162= = = =（85-63.7）×（13.8÷6）0.25×80-0.45÷9 762÷125÷0.4 8.6+7.8×34÷6.8= = = =五年级小数点口算题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= 5×400= 19.9+11.1= 187÷1000= 1+3.89=0.081×10= 75÷10= 0.96÷0.8=0.8×7＝ 1.5×7＝ 1.32×8＝0.7×8＝ 10.3×2＝ 5×0.6＝0.9×0.3＝ 3.5×0.2＝ 2.01×0＝10×0.05＝ 0.13×7＝ 0.21×100＝0.7×4＝ 0.05×4＝ 4×0.3＝12.5×8＝ 2.3×4＝ 3.25×0＝0.4×50＝ 30×0.1＝ 2.6×3＝4.1×2＝ 0.35×0.2＝ 7.5×0.1＝1－0.08＝ 3.5×0.01＝ 1.25÷0.25＝0×9.8＝ 3.9＋0.39＝ 4.8＋5.2＝0.5×0.4 ＝ 4÷0.25＝ 3÷4＝8.1÷9＝ 2.5×4＝ 6－0.025＝3.6＋6.3＝ 0.05×4＝ 3.5×0＝0÷3.5＝ 0.9×0.3＝ 1×0.06＝五年级数学口算练习9×0.5＝ 1.25×8＝ 2.6×3＝4.1×2＝ 0.35×0.2＝ 7.5×0.1＝0.9×0.3＝ 1×0.06＝ 9×0.5＝1.25×8＝ 0.2×0.4＝ 8.2＋1.8＝100－35.22＝2.5×0.4＝ 2.4×5＝0.22×4＝ 0.9－0.52＝ 3.99×1＝0×3.52＝ 2.5÷5＝ 8.4÷7＝0.34÷17＝ 2.5÷0.5＝ 8.4÷0.7＝0.34÷0.17＝ 30.4÷4＝ 1.2×6＝0.72÷0.6＝ 2.6÷1.3＝ 0.6×0.3＝0÷3.65＝ 7.82÷1 ＝ 0.001÷0.1＝1.4÷0.7＝ 3.6÷0.06＝ 5.6÷0.9＝5.6÷1.4＝ 0.48÷0.8＝ 4.4÷0.11＝4.2×3 ＝ 3.2×0.4＝ 0.3÷0.01＝4÷0.5＝ 5.1÷0.17＝ 0.28÷1.4＝0.9÷0.45＝ 9.6÷16＝ 1÷0.01 ＝0.01÷1＝ 7.5÷1.5＝ 0.81÷9＝3÷0.5＝ 10÷25＝ 4.8÷0.16＝0÷3.89＝ 3.52÷1＝ 37.2×99＋37.2= 6.4÷4﹦ 1.5÷0.3﹦ 1×0.4÷1×0.4= 4.2×3﹦ 1×0.01÷0.1= 1.25÷0.5=班级：姓名：五年级数学口算练习1.8×5﹦ 7.2÷0.9﹦ 25×4÷0.25×4=2.2×6﹦ 8.4÷0.4﹦ 9÷5－1.9÷5﹦4.5÷0.9﹦ 2.5×4﹦ 25×3.3×0﹦2.5×4﹦ 0.3÷0.1﹦ 37.2×99＋37.2﹦4.5×2= 7.8+0.22= 2－0.64－0.36﹦3.4×0.4= 12.6－0.9= 2－1.64－0.36﹦1.2÷0.04= 0.42÷7= 1.25×3.3×0﹦0.9＋2.01= 2.97÷100= 20－3.7－7.3=6.3+7= 2.19＋9.1= 5×0.75÷1.5×0.75= 0.65×0.2= 9.8-0.98= 1-0.1×0.1=0.7+3= 1.2×0.8= 0.9×7+10.7=6.3÷0.021= 1.5÷0.03= 6.8-2.4÷3=5×0.7= 0.43×5= 3.6÷0.9-4=3.6-0.36= 8.1-2.2= 0.6÷0.3+0.5=6.8＋8.6= 9.4×0.2= 1.8÷0.9×0.5=2－1.08= 8.8÷0.4= (1.6+0.5)÷5=43×0.01﹦ 3.72×0.2= 0.7×8-0.6=99＋0.1﹦ 3.2-2= 6×0.125×8=1.9×4﹦ 8.8÷0.11= 4×1.2×0.25=0.125×8﹦ 1.8×40= 2.5-3.6÷1.8=2.3÷0.1﹦3.72÷4= 13-0.5-4=1.1×0.7= 1.9+5.1÷51= 3.2×50=2.32-0.4=3.2×0.5= 8×5.1= 12-0.05×4= 16-4.5-5.5= 1.8÷0.3＝一、口算0.027×100= 8.8+0.12= 0.36×5= 0.75－0.5= 1.2+8= 9.5÷0.95=2.4-2.4÷1.2= 0.73+0.27×10= 0.15÷0.3= 1.6＋3.04= 2.8÷0.7= 5.7÷0.3=三、能简便的要简便计算（23×2）45.55－（6.82＋15.55） 34.52－17.87－12.23 4.57+3.17+3.43+5.838.54－5.99 27.38－5.34＋2.62－4.66 21.63＋（18.5－9.63）70÷28 2.31×1.2×0.5 12.78-(4.97-2.78) 63.4÷2.5÷0.499×4.3 8.23＋6.5-8.23＋6.5 3.12＋3.12×99 1.63＋2.37÷0.32.7÷45 2.4×10.2 23.9-0.6×0.6-0.64 2.4×1.87-2.4×0.8715.32×4＋4.68÷0.25 1.26÷(1.26×0.4) 28.6×101－28.699×3.8+3.8 2.5+7.5-2.5+7.5 48.7-18.7-13.9-6.1 2.5×(4+8)= = = =13.5+39+6.5+11 60+255+40 1250÷25÷5 800-138-162 = = = =（85-63.7）×（13.8÷6）0.25×80-0.45÷9 762÷125÷0.4 8.6+7.8×34÷6.8 = = = =五年级上册数学竞赛试卷（1）一、计算，写出主要简算过程（每题4分，共16分）1．567×789789-789×5675672．7.2×14.3÷0.9÷1.33．0.64×125×2.54．如果2△3=2+3+4=9，5△4=5+6+7+8=26，那么，按此规则计算7△5=？二、填空题（每题6分，共30分）1．一种水草长得很快，每天增加一倍。
人教版小学数学五年级下册口算竞赛试题.doc(20201203193449)
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:、我会算。
(200题，每题1分)12.5 X 80= 14.8 + 0.1 = 7.2+4.8= 8.56 X 0=4 + 2 =5 5 55-5.5=57 -6.6 + 0.3=3-7 = 24+ 0.6=92 + 100= 1.5 X1000= 3.02 X 100=4.8 + 48= 1 + 1 = 1 1T -7 = 103 ==14.8+2.2= 5 8 _ + _ =9 90.6+7=1.25 X 8=3 72.6 X 0.3=1819 133 514.6+24= 2.4 X 4=7+ - = 0.9 X 7=83= 7.2 X 0.1= -4+7 =11 1c — C =8 824 242.5 X 0.4=3.35 X 1000= 1.2+ 4=6-2. 5= 0.9 + 3= 5 -1.7= 2.9 -4.7+2.3= 46.7-3.8= 3.28 X 0.1 =5.4+ 0.6=4.5 X 2=12.8 + 4= 3.9 + 0.13= 3.2+ 5=6.9-2.5=5.2 +13= 7.2 X 0.1 = 7 X 0.62=7.2 X 0.8=12 + 0.2= 0.01 X 0.1 = 0.56+ 0.8=6 X 3.4=1.6 + 4= 0.25 X 0.4= 7.4-2.8=1.7+2.7=4.2+1.25=0.62-0.32=103.5 X 2=+ 20= 1.6 + 0.8=3.5+0.05=0.18+ 0.2=1.4 X 0.5=24 +12= 1 + 2.5= 0.16+ 8=0.75 X 100=8.65 X 10= 1.25 X 0.8= 4.5 X 0.02=5.4 X 0.1 = 0.03+30= 0.125 x 8= 3.25x 1000=8.1 + 100= 3.15 -1.5= 1.25 X 8= 3.431.7 - 0.7= 1+0.3= (3)0.8 — ~ =50.9+9=2.5 X 0.4= 0.02X 8=0.4 X 50= 3.06 100=2.215 X 0= 60+ 6=3 0.25+0.75=40.8+0.8=1.2 + 3= 0.49X 3=0.62-0.32= 10+ 0.2=1.4 X 0.5= 24+ 8=0.75 X 100= 8.651237 + 1000= 0.7 X 8=X 5= 80X 10= 1.5X 0.5= 2.83-0.25= -4+ 0.7= 14+ 20= 1.6+15= 1X 10= 1.25X 1.25= 0.06+ 10= 8+ 2= 6.61 1+ - + -4 4=9 XX 0.5= 4.2+ 0.8= 0.182.5= 0.16X 0.8= 4.5 X0.02=8+7.2=3.6 + 0.3= 3.08 X 0.01 = 0 + 1.7= 1.2 X30=6.3 + 7= 4.95 X 1000= 0.22 X 10= 0.012X 0.2=5.6 + 100=6.9 X 0.1 = 9.6 + 0.8= 3 X0.3=0.75 + 0.25= 0.4 x 0.5= 5 X 0.24= 9 + 6=0.125 X 8= 2.4 + 0.8= 4.5-0.05= 3.60.12=4.8 + 0.3= 10.8 + 9= 3.9 + 0.13= 7.80.6=0.96 + 2= 9.6 + 0.8= 16.5 + 0.5= 2 + 5= .0.56 + 28= 0.108 + 2= 5 X 0.12= 4.5+5=0.36 + 0.4= 4.95 + 0.9= 24 X 0.5= 0.30.6=0.64 + 0.8= 9.65 + 0.1 = 4.8 X 0.5= 0.960.2=0.72 + 3.6= 0.325 X 100= 2.8+4.2= 10.53.6 + 24= 2.5 X 8= 0.84 + 2.1 = 7.3+0.27=0.8 X 1.1 =0.56 + 0.7= 5 + 0.25= 8 X 0.125=7.2+12.8=+ 0.6=0.61+0.39=0.125 X 4=5.6 + 100= 7.8+0.01= 0.548.71 + 0.1 =3.5-0.05=0.56 + 28=0.41+3.7= 21 + 0.21 = 2 X 0.02=10+ 20=0.02 X 0.5= 0.8 X 0.13= 2.6 + 26=4.08 + 0.4=7.2-0.8= 0.34 + 17= 0.25X 40=二1 旦= 7.5— c 一0.125= .c + .c = 7 -—10 +6 +103 , 3-+一 =8 8班别：—0.75 + 4.25=8 . 12 12五年级数学下册口算题_______ 姓名： ______________ 成绩：4.2 X 5= 4.7 + 2.3=85.6 + 100= 2.5 X 4= 10 - 9.25=0.06 X 1.5=0.3 + 0.5= 0.7 X 0.8=1 + 0.01 = 0.1 + 0.01 = 2.1 + 0.7=1 - 0.34= 0.175 + 0.0225=8X 0.125= 5.6 + 3.8= 0.62 －0.32=0.02 X 0.5=0.75 + 0.25= 16.8 + 4= 0.1 +100= 6.3+ 0.9=0.25 X 8= 0.04 X 2.5= 1 X 0.01= 0.1+ 0.01 =0.63 + 0.9= 0.6 + 0.54= 8.9 －0.9= 0.96+ 2=5.9 - 2.5= 4.5 X 2= 3.6 + 3=0.125 X 8=0.53 X 1000= 72.8 X 0.01 = 1 +125=1.2 + 0.2=1 + 0.01 = 48 + 0.6= 20 + 0.2= 1 X0.4=9.63 + 3= 7 - 0.23= 4.8 + 0.3= 7.2 —0.8=1.4 X 0.5= 29 + 100= 6.3 + 0.7= 6 +2.4H◎5X8n +0.5H40——5.4H0.75±5H80XO H400+0.4H0.78+ 3n0.35o bo —X +O O 9H4 由O H3.5诺 OOH—X .5—— O O 60.4>0bo H4X0.25H0.36+420出5 H 25x_X 2H435占9 12 1 ―\o 32 1II6 1 + II5 12++ 9 14 II II+5 1 — + 2 16 1II5 1IIII3 12 ―\ co'looII5 12 5’ 1 ―\ 5’ 123’ 1II7 14 7’ |2IIIIII3 1-^ + 3 12 II 7 14 7’ 12II―X O + ―X oII9―X 00 |U1 + 00 1II00 I —+00 ―Fo 75 25 5+ 00 13 O 911IIFo 5 5 o2 4 _ 12 1 1-? -9 = m3 1 _4 +4 = 8.9 - (3+0.9)=7+ 8=1.7+2 X 1.3= 4 4 _ 3 1 7 +7 = 4 +41.5+2.45=2 XX99 =0.36 =0.4 X 101 - 0.4= 1.25 X 0.7 X0.8=0.79+0.79 1 + 5+1 + 5 = 0.89 X 101-0.89 = 2 - 0.64 -1.1-2.7 + 27 = 1.25 X3.3 X 0 = 20 - 3.7-7.3= 0.1 =6 X 0.125 X 8= 37.2=25 X 4+ 0.25 X 4= 1.9 + 5 = 6.8-2.4 + 3= 51 =1.8+ 0.9X 0.5=12.4X 11-12.4=5X 0.75 + 1.5 X 0.75= 1 X 0.4 + 1 X 0.4= 0.9 X 7+10.7=0.6 + 0.3+0.5= 12-0.05 X 4=0.1 = 7.2-1.2+6.7=1-0.1 X37.2 X 99 +1.9+5.1 +1 X 0.01 +25 X 3.3 X 0 = (1.25 - 0.125) X 8=7.74X (2.8 - 1.3 ) + 1.5 X 2.2621 X ( 9.3 - 3.7 ) - 5.6= 36.54 - 1.76 - 4.54= 23.4 - 0.8 - -13.4 - -7.2= 13.7 X 0.25 - -3.7 + 4=4.9 + 1.4=0.85X 199 =0.25X 36 =3.2 X 0.25 X 12.5=6000毫升=(6)升=(6000 )立万分米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--3 一8-5- 8--1一5-1- 4--5- 6--5- 9 +9 0 5-6 3 416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)立方米 810000立方厘米=(810)升3.5升=(3.5)立方分米=(3500 )立方厘米1.5 - 0.06 =17X40 = 100 - 63 =2.8 >0.4 =3.2 + 1.6814 - 7.4 = 0.32 >500 = 10 - 5.4 =1.92 W.04 =0.65 + 4.35 = 4^20 =3.5 >200 =0.36 + 1.54 =420 +35 = 135-0.5 =2 + 4/9 = 3/4 - 1/2=25X123-2/37.5-(2.5+3.8)=2 - 1/6 -1/3 =32.8 + 19 =4.9 >0.70.87 - 0.49 =56 X7=146-23=456+45=45X10=451457+456=50X0.13X0.2=4X0.25 =1.01 >99 =3/4 + 1/4 =1/6 + 1/2 -1/6 =7/8 + 3/8 =4/5 - 7/10 =3/10+1/5 =0.51 T7 =5.2 T.3= 1.6 >0.4 = = 1 =3.8+2-8+2 =4.25X4=123+25= 123-35=135^5= 248+89=155 X5= 456-12=546-457=564-12=47.879+54= .896-546=350 ... 56 X12= 45-5=6^12 =0.3X2.5X0.41.5X102 = =1.25X0.7X0.8 = 3.8+4.5+6.2 =0.84-0.16 = 2.8X3.6+1.4X2.8= 9.83X1.5+6.17X1.5 = 10.1X87 = 0.135X500X0.2 = 6.3+0.84+3.7+8.16 =0.25X0.03X4 = 13.7X0.25X8= 32.8+5.6+7.2 = (2.5+0.25 ) X0.4 = 8.4X0.2+1.6X0.2 =1.2X2.5+0.8X2.593 + 0.31 + 3 =3.25 -(3.2+0.128 ) - 0.8 =312X4+188X4 =18.75-0.43-4.57 =2.65X1.7+1.35X1.7 =8X (2.5X0.25 )=1.25X0.8X0.5 = ( 1.5+0.25 ) X0.41.2X0.4+1.3X0.4 =9.8X25 =88X0.25X4 =。