分数加减乘除口算题

1、实用文档7 x 5 =1.7 =1 1X -=1.2 =6323232 104 .1 =8 -4=5 X4 =5 5 =5 294 562 21 12 亠5 一-=X2=X13=3 34 313265 23介一 11 2X-=3=36 X1 =6 5822 556=5 -5=55 X18=6 . 6 =-697 52345 ,424=X-=5 +38588X-= 16 3126X1 =X2=X-27528只113,-8=+ =-X15=11435-XX=14X5 =1 543773- 1.95=7 _3_2843-24 X3=47 _ 1 X3=1 + 3=55104462 =5 0 -=6.

2、3 .7=1226 X12 =7613-17 52 26门6X=X-=X-=+ 6=710 73 372 x!=8 X4=0.5=14 x155 29445211002 =2288-=1 + 1 =4X?=332 24122 =25 >4=105 =-4=3835 417 一1229“ 1X=一 X50=X-=12 :4 515583633 尺3 一一 56 2一 X3=X11 =10 :=X-=42277 31 23、/25、/125_!X-=X=0X =2 35 34566).5=&4 .2=5X?=214X-11472 25 22 23 *3X?=12书=X?=-X4=91

3、 J4 *2*5=212+=XJ=365 .5 =-.5於=4 46-毘=5X3=1324136 X1 =1.2.3255 一66一 X8=. 12751 亠5 2.35 一1 *=X-=5=* =27 341812*3 =1於=2 2X =1428=437 3312 141 -5 70X-=X-= X-=63 2526 824X5=8 .8 = *-X3 =52 =9 99 6631-=39* =-x5 =0.25 XX4=345 4138x1 =2-弋=17X1 =1 xl =78154 3A x# =16 54 33 X15=523334X=171+3-詔=5- 2.57=X3 =2-X

4、15=36你47 1>8=-+ 3=5510646-=0-02=5.4 -.09=1239 X12 =7134 35介842 _x-=5=0-8 =9 83373 =2 2=X4=43 =912X9 =71216475心12X16 =-XJ=8-9 =893453=5>4=心=27仝=351234755=18芒=-X3 =8*9 =89345 _545X-=7 x?=2.4 X0=335 89 74 X3=5=1 .1 = * 2>3亠2 =932 379721詔2=4 >3 =8.7 X2=4X0.25=255 41 X14=2 5 =1.25 X=5 5 =73 6

5、3 86 >3 =6X.2=-4=4 >3 =7 2119 85介84 22 -5=0一 =-X2=337373925 164 :=12X9 =冷=X =16438 33 16165 417 1X一 =14 X =X-=-=8 574 515 3文案大全丄+12 318Xt =-X 3=7 _ 3_10 101 3 .2 1022X -=3315勻 2=5 X 12=6128 X1 =6X14=2723424X =一 3858只11£=+ 1 =11432X5 =8X 3=794 X 20=47 55103X丄=1.1 -5272549.2 =8-8 =531 .33、2

6、X =X =2443732、/ 3-X -84321 X36=1 + 2=446X1 =1芒=2亠1 = . 2三=710 7523介介221 x3=2 ,5亠1 = 33 十一=>4=32 43834.3- 2.5=0.17+0.06=1.02- 0.09=720- 800=0.17+0.6=0.83- 0.6=17X 300=0.9& 0.09=0.2+0.78=0.6 X 0.7=10.2+0.02=0.15+0.7=6.7+2.5=10.2+0.2=9.2-6.1 =8.5+ 5=3.2-3.2=3.7+2.3=2.5 > 100=3.12- 0.32=2+2.8=

7、3.8- 2.9=0.35+0.5=0.35+0.63=3.5- 70=3.1+3=3.8+0.38=7.5+ 25=3.8+1 =0.95-0.05=4.5+7.8=3.1+0.3=3+0.3=6.3-9=4.5-0.4=9.5-5=1.1X 9=9.53-1.53=9.5-0.5=3.5+2.4=1-0.95=0.3+0.27=0.47+0.13=4.5+4=4-0.6=0.95+0.05=2.5+3.2=0.74+0.16=23X100=9.8-4.8=8.8-6.7=1-0.95=4.8- 40=53100=5.1+2.3=1.25X 80=0.78- 10=0.52+0.4=7X 1

8、.2=0.25X 100=3.4-2.8=0.6-0.37=0.052X 10=10+0.08=1-0.75=0.5X 1000=7.82+0.3=13.5+6.5=3.05X 100=1.2-0.8=21.6-12.6=63- 100=0.83-0.5=0.76+0.14=80- 1000=2.7+0.4=0.72-0.42=0X 10.5=0.92-0.2=3.5+4.8=3.5+2.4=5+0.07=1-0.61 =0.47+0.23=0.25+0.75=3.7+0.33=0.51+0.33=1-0.6=8-4.6=5.8-3.6=0.52+0.4=6.45+5.5=4.5-1.3=3.

9、4-2.8=9.53-1.53=8.8-6.7=10+0.08=9.5-7.3=7.2+0.8=7.82+0.3=3.4-2.8=0.96-0.35=9.53-1.53=0.25+0.75=1.2-0.8=0.83-0.5=2.7+0.4=0.77 牟1 =3.56 10=0.9 7=30.5 昴8 ><0.04+ 3=5.3 0.1 =41.2+ 21 =5.66 £.2=8.4 £.7=501 - 98=0.1 9.02=110£00=1.01 9=3.1 10=125 刃+ 125=0.65 5=0.1 7=32.5 >.5=2.58 &#

10、163;.2=0.7+ 7.32=480+佃 9=63 搅).7=4 X1.8=0.3+ 4.44=2.01 7=10£5=0.8 + 7.62=0.12 8=4.2 £.1 =1.6 3=1.2 0.6=100 £500=6.2 0.3=0.6 0.7=2.8 £0=0.9 0.4=2.1 ££) .1 =5 X2.1 =2.5 4 X0.5=50 >0.04 =3.4 £.1 =6.9 £=100 X2.5 0.4=8 >20 £5=0.8 海.25 15=6X 1 =75x =10722621x =+ 6=x 3375280.5