小学数学五年级上册第一单元口算题卡

1、_月日星期0.16 X 5 =1.2X5=2.5 X 0.4 =6.6 X 0.6 =9.6 X 0.6 =53X2 =16.9X0.3=2.37 + 3.7=答错题答对 题1.78X2.2 =0.7X0.01 =1.25X8=5.37X5=123.9X7=55X3=2.37 + 6.3=2.5X1.25=0.7 X ().57=3X1.21 =4.4X25=3.8X10.1 =2.3X0.15=5X0.78=5.24 X ().99=1 X ().125=4.39X10=0.7X2 3=一月 日答对 题2.64 X 5=().98 X 0.7=0.78 X 5 =5.3 X 42=10.65

2、 X ().22=().125X11 =4.39X0.1 =0.47 X 0.7=星期答错题一月 日星期12 X ().03=3X0.121 =7.6X0.23=8.53X0.99 =5.8X0.29=8.6X18=1.4X15=3.57X5 =99X0.35 =答错题答对 题0.03X0.12=8.6 X 0.7=16.73X2.5=7.3 X 5=5.8 X 2.9=1.42X18=().1 X 0.2 =4.2X01=().05 X ().8=6.71 X 25.7=6.5X5 6.5=1.23X3 =7.5 X 2.5X4 =1.2 X 0.4=5.43X0.86=0.85X1.01

3、=().1 X 0.01 =4.68X4.5=2.5X1.25=一月 日答对 题0.36X12=1.7 X 0.43 =1.3X04=78.58X3.7=5.29 X 2.3=0.28 X 35=0.25X0.5=25.7 X 3.29=星期答错题一月 日星期答错题1 X().85=47.3X3.9=0.473X0.39=1 X1.25 =6.2X0.03 =9.9 X 2.5X04=0.25X16 =3.05X4=5.2X3.05X4.8 =答对 题4.73X3.9=47.3X0.391 =2.4X5 =().45 X ().09 =0.125X0.125 =9X0.18=0.7X8 =6.

4、8 X 2 =1.05X0.1 =14X1.2=5.6 X 0.9 =星期答错题17.5X7.5X2 =10.81 X 4.6X0.18=一月 日答对 题4.2X21 =0.65 + 3.48+0.45=46.3 X 33.5+46.3 X 66.5=10.48 X 0.94=47X1.2=1.25X80=1.2-0.08=2.5 X 3.6 =5.0.8 X 0.92=5.64-2.1 =0.77X1.1 =8- 0.52=4. 9.4 X 6=12X3.6=一月 日星期答错题星期答错题8.2X1.1 =3.5 X 1.6=().1 X 250=12.5X 88 =10.2X 35 =7.2

5、 X 48=16.7-0.92-1.08 =1.8X 4.5=0.7 X 4 =13.5X 6 =22.6 X 0.33=0.75 X ().5=3.5 X 0.1 =200 X ().04=1.3 X 0.5 =3.2 X 0.5=2.5-1.37=答对 题0.7 X 5=_().27 X 0.036=6.64X3.3=4.2 X 0.7 X 6=5.6 X 3.5=52 X 7.2 =16.8+1.6=3.8+5.6=1.8+0.28 =一月 日答对 题5.04X2.1 =3.25X0.98 =0.75 X 2.3 =3.6 X ().09=12-1.2 =0.42X0.6 =0.21 X

6、0.3 =5.5X11 =0.73X2.15=7.38X1.6=月 日星期0X4.8 =77X7.7 =8.4 X 0.26=6.7 X 5.5=0.8 X 3.2=5X4.8 =0.13X4=5.4X10=3.2X100=3.6 X ().1 =1.2 X ().3=答对 题5.5X17.3=0.5 X ().7 =1.5X4=0.75+0.8=8.5X100 =4.2X1000 =().45 X ().15 =0.18X0.3 =0.49X0.7 =答错题8.5X1.7 =9.782X3.2=8.76 + 0.351 =1.58 + 2.42=1.25X4=3.9 + 2.7 =2.5X4

7、=1.25X8=月 日答对 题0.04X25 =53.7317.49 =42.4+7.6 =7.8 5.6 =7.8 X 0.5 =0.24X0.3 =0.3X10 =5.7 X 5.7 =星期答错题一月 日星期一答错题答对 题8.10.05 =().2 X ().5 =4.4 X (5X0.2)=0.96 X ().06=0.35 X ().7=13 + 0.7X0.7=7X2.1 =24 X 0.25=2.4 X ().8=12-3.8=0.24X0.3 =2.5X3=7X1.3=0.36 X 0.3=4 X ().8 X 0.25X1.25=4X0.5=8.89+0.1 =().1 X

8、0.01 =5.4 X ().6=9.5 X 0.1 =月 日 星期答对一题答错题9 X ().4=10X0.01 =3023.02=1-0.82=2.6X0.01 =4.8 X ().4=9-3.2 =1.7+1.3 X 0.4=8.5XO.5+O.6=4.3-0.25=9.6 X 0.3=0 X 25.4=5.4+4.6 2=(1.5+2.4) X ().2=3.6X2 3.6=7.2 X 0.8=doc月 日星期答错题星期答错题10X2.5=0.64X0.4=6.45 X ().01 =().08 X ().001 =7.5 X 2.5=0.96 X 6=0.7 X 5=().1 X 6

9、.7=2.5X4=7.5X3=().8 X ().6=80X1.25=3.5X4=3.5X200=0.75 + 15 =4X0.25 =1.01X99=答对 题35 X ().05=2.5 X ().5=0.36 X ().03=().01 X 0.2=8.8 X ().2=0.75X0.5=0.08X1000=1.6 X ().5=0.74X0.4=月 0答对 题3.74 X ()=0.05 X 0.08=0.13X7=2.8 X ().51.5 0.06 =0.4 X ().8 =0.36 + 1.54=420+35 =17X40=3.2+1.68 =1.92+ 0.04=0.65 + 4

10、.35 =4 20 =1.5 0.06 ().4 X 0.8 =1.01X99 =1235+0.05=答对 题10063 =2.8 X ().4=0.32X500 =10 5.4 =3.5 X 200 =0.75 + 15 =4X0.25 =420 + 35 =答错题0.64 + 0.4=星期答错题2.5+ 0.5=0.36+ 0.03=().01 4-0.2=8.8+ 0.2=0.75 + 0.5=0.08X1000=1.6 X 0.5=0.74 X ().4=月 0答对 题6.454-0.01 =().08 0.001 =7.5 + 2.5=0.96 + 6=0.7 X 5=().1 X6

11、.7=2.5X4=7.5X3=一月 0星期答错题星期答错题3.74 X ()=().05 X ().08=0.13X7=2.8 X ().5 + 2=8.2+2.6=125X0.8=3.4X4X ().25=5.5X2=3-1.5X2=2.4 X 0.5=0.48 + 6=().6+ 3+3=3.25+0.75=0.25 X 4=0.5+0.5 + ().5=10X0.05 =0.21X100=答对 题0.8 X 0.6=80 X 1.25=3.5X4=4X0.5=7.16X0.4=2.6 + 2=8.1 X 2.5=9.6 + 4.8=2X3.1 =一月 0答对 题0.125X8=6.44=

12、0.91 + 13=().9+ 0.1 =4.8 + 8=5() X ().8=0.13X7 =0.7X4 =0.05X4=4X0.3 =月 日星期3.2 X ().4=().3+ 0.01 =12.5X8=3.25X0=7.5 X 0.1 = ()X9.8 =3.5X() =2.6 X 3 =9X0.5 =2.4X5 =8.4 + 7 =0.344-0.17 =1.2X6 =2.64-1.3=0 + 3.65 = ().0014-0.1 =3.69 0.06 =5.6 +1.4=4.4 + 0.11 =答对 题2.3X4=2.6 X 3 =1.25 + 0.25 =3 + 4 =1 X().

13、06 =7.5 X ().1 =8.2+1.8 =3.99 X 1 =8.4+ 0.7 =月 日答对 题30.4+4=().72+ 0.6 =().6 X 0.3 =7.824-1 =1.44-0.7 =5.64-0.9 =048+ 0.8=4.2X3 =答错题星期答错题月 日星期答错题4+0.5 =0.28+1.4 =9.6 + 16 =0.01 +1 =0.81+9 =10 + 25=0 + 3.89 =37.2X99 + 37.2=1.54-0.3 =答对 题5.1+0.17 =0.9 + 0.45 =1 4-0.01 =7.5 +1.5 3 + 0.5 =4.8 + 0.16 =3.5

14、2 + 1 =6.4 + 4 =1 X0.4H-1 X0.4=0.9 X ().4+0.8=4.2+5.834=1.8X5 =25X4+0.25X4=8.44-0.4 =2.5 X 2.8=0.85X0.5+4.6=1.62X0.4+2.5=2.03 X 2-2.4=月 日答对一题7.24-0.9 =2.2 X 6 =94-5-94-5 =9-32X0.8=5.943=2.5X().5-0.2=1.65X0.5+0.5=星期答错题月 0星期答错题星期答错题7.5-().9=0.48+2 X 6=1.62X0.4=99X0.35=1.23X3 =7.5 X 2.5X4 =2.8 X 0.4=2.

15、5 X ().4=5.37 X 0+4.63 =3.7X0.016=16.9X0.13=4+0.5=8.89+0.1 =0.14-0.01 =9 X ().4=30.2-3.02=1-0.82=答对 题0X5.8=0.36X0.9=2.5 X ().5=0.05 X ().8=0.36X12=1.2 X 0.4+1.3=1.2X0.5-0.4 =1.2X5X8 =1.6+2.4X().3 =月 0答对 题53 X 2.07=2.03 X 2=7X2.1 =24X0.25=2.4 X 0.8=10X0.01 =4.3-0.25=9.6+().3=2.6X0.01 =0 X 25.4=4.8 X

16、0.4=1.7 + 0.43 + 3.3 =10.65+ 0.22=1+0.125=4.39X10=0.7 X 2=().7+0.7=3X1.21 =7.85.6 =7.8 X 0.5 =0.24+0.3 =().3+1()=5.7 4- 5.7 =77 + 7.7 =8.1().()5 =8.53X0.99=5.8+0.29=月 日 星期答对一题答错题75X2.5X4=1.2 X 0.4 + 1.3 X 0.4 =5.24 X 0.99=0.125X1 =4.39+0.1 =().7 X 0.7=0.3X1.21 =1.58 + 2.42 =1.25X4=月 日 星期答对一题答错题3.9+

17、2.7 =2.5X4=1.25X8 =0 9 4.8 =12 3.8=16.73 + 2.5=07.3+ 0.5=580290=8.6X18+1.4=2.8X18=一月 日星期答错题(8.6 + 14)X18=3.5 + 7.5 =99X0.35 =1.23 + 3 =8.5X100 =4.2X1000=0.45+0.15=18X0.3 =0.494-0.7 =答对 题().1 X().2 =4.2+ 0.1 =0.05X0.8 =0.36 + 12=5.4+10=2100 =3.6+ 0.1 =1.24-0.3 =8.5 + 1.7 =1.6 X ().5=2.5X4=0.04X25 =53

18、.7317.49 =42.4+7.6 =().36+ 0.03=().01 + 0.2=8.8+ 0.2=().75+ 0.5=0.08X1000=一月 日答对 题9.782 + 3.2 =8.76+0.351 =6.45 + 0.01 =().08+ ().()() 1 =7.54-2.5=().96 +6=0.7 X 5=0.1 X 6.7=星期答错题月 日 星期答对一题 答错题7.5X3=0.74 X ().4=0 X 25.4=5.4+4.6X2.8=4.8 X ().4=9-3.2 X ().8=(1.5+2.4) X ().2=3.6X2 3.6=7.2+ 0.8=9.54-0.1

19、 =35+().05=2.5+ 0.5=1.7+13X0.4=8.54-0.5+0.6=5.44-0.6=104-2.5=0.64 + 0.4=3.2 X ().5=月 日 星期答对一题 答错题0.21 X 0.3 =2.5-1.37=5.5 + 11 =0.7 X 5=3.5 X 1 =0.27 X ().036=1250=6.64 + 3.3=1. 8.2 X ().7=2.0.5 X 32=332 + 0.8=9.4+6=5.0.8 X 0.92=0.36 + 0.03=一月 日星期答错题5.5X2=5.5X2=2.44-0.8=(2.7 2.7) X3.5=3-1.5X2=2.4 X

20、().5=0.48 + 6=0.6+ 3+3=答对 题4.8 + 8=4X75X2.5=4.98 + 0.62 =9.6 + 4.8=2X3.1 =0.125X8-0.1 =6.4-4=0.914-13=0.4 X ().8 =4X0.2 =3.25+0.75=17X40=3.2+1.68 =50X0.8=4.5 X ().1 =1.3X7=2.1X404-10=14-7.4=月 日答对 题9.9 0.9+ 0.1 =100-63 =().5+().5 + 0.5=0.994-33=6.4 + 4=2 + 0.4=2.8 X ().4 =1.92 + 0.04 =星期答错题1.7-0.47 =

21、2.5X3 =0.32X500 =10 54=3.5X200 =月 日 星期答对一题答错题5-0.05 =3 + ().25 =0.65 + 4.35 =4 + 20 =1.5 0.06 =0.75+15 =5.5X2=9.6+4.8=3-1.5X2=2X3.1 =2.4 X ().5=0.125X8 ().1 =().48 + 6=6.44=0.914-13=9.9 0.9+ 0.1 =10063 =4.8 + 8=5() X ().8=4X75X2.5=2.4+ 0.8=月 日 星期答对一题答错题().6+ 3+3=3.25+0.75=17X40 =3.2 + 1.68=0.5+0.5 +

22、 0.5=0.99 + 33=4.5 X ().1 =(2.7 2.7) X 3.5=1.3X7=2 + 0.4=一月 日星期答错题2.1X404-10=14-7.4=0.4 X 0.8 =1.4X6 =4.98 + 0.62=5 ().05 =3 + 0.25 =0.65 + 4.35 =4 + 20 =答对 题5 .8 X ().4 =1.92+ ().04=0.58+0.26 =6.4+4=1.7-0.47 =2.5X3 =0.32X500=10 5.4=3.5 X 200=0.87 0.49 =3.5X0.1 =1.5 0.06 5.5X2=0.36 + 1.54=420 + 35 =

23、135 + 0.5 =32.8+19=1.6 X ().4=1+5 =月 日答对 题0.754-15=4X0.25 =1.01X99=25X12 =0.51 + 17 =5.2 + 13 =4.9 义().7 =6 + 12=星期答错题月 日星期答错题星期答错题43 + 0.1 =12-1.2 =0.42 + 0.6 =().21 X 0.3 =5.5+11 =7.8+0.9 =12 + 0.4=2.9 + 37 + 2.1 =1.25X5X8 =1+0.1 =1-0.5=42.8-4.28=0.9-0.89=5-0.64=7.2+2.8 =1+0.25X4=1.2 X 0.5 =答对 题20

24、() X ().04=1.3 X ().5=6.3+ 0.7 =5.69 + 0.5 =1.53 0.5 =7.5 2.5 =0.56 + 4.44=4X0.25 =7.6 X8 + 24X8 =月 日答对 题0.4+0.42=().3+().7=9.7-2=3.5+().5=6.3+7=0.27 0.2 =2.5X4=42.9 + 6 =0.53 + 0.5 =().3+().1 =一月 日星期1+0.5 =3.07X10() =4.7+23=6.9 2.5=6 X 3.4=1.4 X ().5=0.02 X 0.5=6.3 + 7=0.75 + 0.25=答错题答对 题1.4X11 =0.

25、36 + 0.6 =4.5X2=7.2 X ().8=0.62-0.32=0.75X100=3.6+ 0.3=5.6 +100=0.125X8=8.65X10=().35 X ().6=4.84-0.3=0.56 + 28=().64+0.8=3.6 + 24=7.2+12.8=12.8 + 4=12.5 + 5=10 - 20=月 日答对 题0.96 + 2=().36+ 0.4=0.72 + 3.6=().8 X 1.1 =46.7 3.8=5.2 + 13=1.64 + 41 =24 + 15=星期答错题月 0星期答错题3.08 X 0.01 =6.9 X ().1 =2.44-0.8=

26、9.64-0.8=4.95 + 0.9= ().325X100=().56+ 0.7=3.28X0.1 =7.2 X ().1 =答对 题4.95X1000=0.4 X 0.5=10.84-9=0.1084-2=9.65 + 0.1 =2.5X8=0.125X4=3.9 + 0.13=0.01 X0.1 =0.84+2.1 =3.8 + 5.6 =0.25 X ().4=1 +2.5=3.2 + 0.04=0.22X102=5 X ().24=3.94-0.135X0.12=4.8 X 0.5=一月 日答对 题1.64-0.8=1.25X0.8=0+1.7=9.6+ 0.8=4.5-0.05=

27、16.5 + 0.5=24X0.5=2.8+ 4.2=星期答错题1+0.01 =0.96X10=1.9 + 19= 0.42 X 1.01 = 0 + 1.69=1 +0.25=2.08 + 0.1 =().05 X ().6=2.2X3=1.2 X 0.3=0.25 + 5=0.15X0.4=二看谁算的快2x+8=16五年级数学上册第五单元口算题月 日 星期答对一题答错题练习一2.7 X 0.3=8.44-0.1 =0.15X0.4=0.75 X 8=0.6 + 10=0 X 3.7=0.4 X ().5=月 日 星期答对一题答错题1.7X3=7.6 + 4=9.94-1.1 =0.25 +

28、 0.5=0.05 X 6=x - =l。月 日 星期答对一题 答错题练习二0.63 + 7=0.81+0.9=().3 X ().16=().88+0.4=0.81+0.3=7X0.01 =().02 X ().03=1.06X5=7.2+ 3.6=4.3 X 0=6 -1212+20=1+0.25=().05 X 6=0.81+3=0.2 X ().35=2.7 X 0.2=1.5X6=2.4 X 0.2=2.13X2=月 日 星期答对一题 答错题0.45 X 0.2=0.05 X 0.8=0.4 X 6=0.25 X 4=二填空1、平行四边形的面积公式是：2、 三角形的面积公式是： ,

29、S表示 声表示 ,h表示 .月0星期一快速计算下列各题。2.1+2=0.3X10.1 =2.08().1 =7 X 0.05=0.45 X 2=01.69=3 + 1.2=8.4 + 7=4.05X1000=5x+x=95x-3x=4答对0.77 + 35=3.6 + 0.3=1.06 X 5=7.2 X 0.9=2.51 X 104=0.4 X ().5=().51+().3=答错星期答对答错8.08 + 8=().92 + 4=x-8=6x6x+6=124+5x=97x-9=8二 根据平行四边形公式填空2.2243.60.3月 日 星期答对一题答错题2.4 X 0.2=0.96X10=0.

30、95 + 9.5=6.13 + 100=8.4+ 0.1 =2.55X0.4=0.42 X 1.01 =0.75 X 8=0.64-10=3.6+ 0.3=1.5 X ().3=0.15X0.4=0.8 X ().5=1+0.2=1+0.25=2.084-0.1 =月一日星期答对题答错题0 + 1.69=1.06X5=2.51 XI04=0.4 X ().5=1.7X3=7.6 + 4= ().25+ ().5=1.2 X 0.3=0.25 + 5=2.2 X 3= 0.85 + 0.5=0 X 3.7=9.94-1.1 =1.5 X ().6=一月 日星期1+0.01 =0.54+0.2=0

31、 + 0.56=4 + 0.25=().24+0.6=0.84-0.21 =0.63 + 7=0.75 X 4=答错题答对 题0.63 + 9=0.7 X ().8=().05 X 0.6=0.70 4-().1 =0.48 + 48=1+0.01 =7.2 + 3.6=8.4+ 0.4=一月 日答对一题星期答错题0.81+0.9=0.8X1.25=4.3 X 0=0.3X0.16=1+0.25=0.124-20=23.7 X 0.01 =0.02 X 0.03=0.04 X 20=0.81+3=0.2 X ().35=2.7 X 0.2=0.284-0.7=0.164-0.4=8.24-0.

32、01 =0.75 + 0.3=月 0星期一0.4 X ().5= 0.81+0.3=1.5X6=0.25 + 5=2.7 X 0.3=0.73 X ().4=0.4 X 6=0.25 X 4=答错题答对 题0.45 X ().2=10 + 0.5=0.05 X 0.8=4+0.5=0.65 X ().6=().05 X 6=2.13X2=4.5X6=7.2 X 0.9=0.45 X 2=星期答对答错1.6X0.8=练习三7.5 + L5=7.2 0.6=3.9 + 3.9=2.1+2=2.4 + 30=0.77 + 35=0.3X10.1 =3.6 + 1.8=5 + 0.25=8.21-F

33、0.1 =07X1.4=0.36X0.2=7 X 0.05=月 日1+0.125=1.5X60=6.1 X 0.4=2.43X101 =8.4 + 7=6 127.84-0.6=4.05 X 1000=答对 题34-1.2=1.2 X 0.5=60 + 0.5=19X1.6=0.514-0.3=1.9 + 19=0.88 + 0.4=8.084-8=().25 X 96=月 日答对 题星期答错题8.1+0.09=星期答错题() + 1.5=4.4 X ().1 =3.1 X 0.7=0.73 X 0.4=4.4 X ().1 =7.44-0.5=练习一6.3 + 2.1 =4.2 X 0.8=

34、().5 X 0.2=1.5 + 0.15=0.7 X 1 =0.72 + 8=月 日星期0.65X0.6=1.34X2=3.4 X 0.6=7.2 X 0.01 =0.15X0.4=4.2 + 21 =1.25 + 2.5=二解易方程4/5x=207x+7=143x-7=26答对 题4.5+ 0.3=14-0.01 =9.6+1.611.2 + 0.2=().05 X 6=6.28 + 3.14=月 日答对 题2x-6=123x+7=289x-x=16答错题星期答错题24x+x=506/7x-8=4月 日 星期答对一题 答错题练习二0.45+0.5=().88+ 0.4=0.03 X 0.4

35、= ().74-100=6.3 + 21 =8.4 + 0.21 =1.5 X ().3=6 + 12=4.94-0.01 =12.8 + 0.4=9.4+ 0.2=1.34X2=1.24-0.30.15X0.4=月 日 星期答对一题答错题0.24+0.6=0.48 + 48=0.844-0.21=2.55X0.4=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（）。2 .甲乙两个数的和是200.2。甲数的小数点向右移动一位就和乙一样大，甲数是乙数是（）o月0星期答对 题答错题练习三一、比大小 在O里填上或“二”1+0.2 00.6 8.20.0100.750

36、.32.3X0.902.39.32X109.320.8X0.5O0.75X86.30.906.35.01105.017.5 +1.507.2 + 0.6星期答对 题答错题S=8.2h=a=0.75h=8s=s=7.4h=0.5 a=三解方程5-8x=47x+8=1510-x=88x+9=179+6x=14x+9x=4+7一月 日星期一答错题15+1.5=().554-11 =3.2X0.01 =0.5 X ().4=3.2 X ().5=0.06X0.15=9.6 + 6=答对 题2.5X04=9.24-2.3=0.55 + 05=2.6 +1.3=4.2 X 0.8=3.1 X 0.7=8X

37、0.125=月 日 星期答对一题答错一题5.14-1.7=3.44-1.7=3.6+0.9=1.5 + 0.15=6.3+ 0.9=4.4 X ().1 =0.7X1=8.4 + 2.1 =3.2+ 0.4=7X0.09=0.9+0.45=8.5+ 0.5=1.5X3=2.5X0.04=1.8X5=4.5+ 0.3=月 日星期3.4 X ().6=7.2X0.01 =0.1+0.125=4.2 + 21 =1.25 + 2.5=6.28 + 3.14=7.2 + 0.09=答对 题9.6+1.63.6 + 2=11.2 + 0.2=6.28 + 3.14=8.14-0.3=1.25 + 2.5

38、=1.2+ 0.3=答错题0.36 + 12=6.25X8=2.4 X 0.5=0.27 + 3=().01 X().l =4.4 X 2.5=0.72 + 8=月 日答对一题0.5 X 0.2=0.75 X 4=22 X 0.02=12.8 + 0.4=9.8 X ().7=7.44-0.5=0.32+0.8=星期答错题0.37 X 20=0.45 + 0.5=0.25 X ().04= 8.44-0.01 =().05 X ().6=().03 X ().4= 0.74-100=6.3 + 21 =答对 题5.5 X ().3=4.9+().01 =0.25 X 0.8=2.7 + 3=0

39、.8X1.25=12.8 + 0.4=9.4+0.2=0.8 X 7.2=答错题月 日答对一题一、在O里填上或“=”。5.8平方米058平方分米1.2厘米00.12分米505()千克05.5吨230000平方米02.3公顷6.5平方米06平方米5平方分米7千米75米07.75千米星期答错题2.3X0.902.30.93 X 0.86 0 0.93月 日 星期答对一题答错题看谁算得又对又快。0.05X0.8=1.34X2=0.914-9.1 =7.2+ ().12=4X0.24+0.24=6.3 + 0.5 + 2=75 + ().5 + 2=8.4 + 0.21 =0+3.66=0.8X25=

40、2.5X4=1.80.64-0.3=月 日 星期答对一题答错题10 + 2.5X4=1.5 + 1.5X4=(1.5-0.5) X0.8=1.25X32X2.5=1+4 + 8 + (). 25=25.25X6.4X40.64=2.2 X 0.6 22X0.6=(9.2-92) +0.39=8.6X45+ 8.6X55=().7X().3 + 0.7X().3=9.81 X ().1 +0.5 X 98.1 +0.049 X 981 =(1.25+1.25+1.25+1.25) X 25 X 8= 4.5X45 + 45 + 45 + 4.5二月 0星期8.4 + 0.01 =2.7 + 3=

41、0.88 + 0.4=().03 X ().4=0.25 X ().04=8.44-0.01 =4.4 X 2.5=0.72 + 8=1.25 + 2.5=6 0.9+0.45=答对 题4.9+ 0.()1 =12.8 + 0.4=0.25 X 0.8=2.7 + 3=7.4+ 0.5=0.32+0.8=8.14-0.3=8.5 + ().5=答错题月 日答对 题2.5X0.04=1.25 + 2.5=1.5X3=12.8 + 0.4=4.94-0.01=9.4+ 0.2=().88+ 0.4=1.34X2=().03 X ().4=6.3 + 21 =0.74-100= 0.91+9.1=0+3.66=7.2 + 0.12=0.8X25=星期答错题3.5X200=0.75+15 =9.6+4.8=0.03