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1、分数加减乘除口算题4 33 1.95=-L +厂2X15H575 I-6II6 | 5X5 | 2II3 | 25 | 46 | 7卜1-X3 | 22 | 3 I 5IIIIII7 | 6卜5 | 6H 5X13II6 | 5IIII3 |II3 | 2II4 | 3X00II4 I 5X5 | 4IIIIIIIIIIIII 7XgII5 | 3X3 | 2II|2III 2II7 | 5II5 00 | 2X3629IIOO I tII3 |X7 | 4OX6 | 57 | 6X3 | 22100卜3一 X8H463占7=2 21 X I H3 30.5厂4一匚2 2十+311F45 2
2、一1 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 42 25 22 23 *3X?=12书=X?=-X4=91 J4 *2*5=2+1 =5.5 =442毘=1336x1 =3X8=12524X8=1 .22 56 67寿138x1 =2-弋=17X1 =1 xl =8154 35- 2.57=x4 =16 54 33 X15=53334X=171+32 x3
3、=-詔=-X15=36你47 1XJ=-+ 3=5510646必=0.02=5.4 .09=1239 X12 =7134 35a842x=5=0 :=9 833732亠X4=4空=12X?=71216475心12X16 =-X3=8：=89345 .33 *554=758*5=18X1698*9 =4.5I宀9 71 *12 *32.4 50=4 X3=921 *42=4 乂 3 =z=258.7 2=2 3 亠2 =7974X0.25=121 X14=2亠5 =1.25 X=5 *5 =73 63 86 3 =6X1.2=-*1=4 X3 =7 2119 858422*5=0*=X2=337
4、373925 164 :=12X =-5=X =16438 33 16165 417 1X一 =14 X =X-=-* =8 574 515 3#1+22 37 _ 310 101 3,2 1018Xt =-X 3=415勻 2=5 X 12=6128 X1 =6X14=2723424X =一 3858只11=+ 1 =11432X5 =8X 3=79-X 20=47 55103X丄=1.1 -5272549.2 =8-8 =531 .33、2X =X =2443732、/ 3-X -84321 XJ6=1 + 2=446.7+2.5=10.2+0.2=9.2-6.1 =8.5+ 5=3.2-
5、3.2=3.7+2.3=2.5 100=3.12- 0.32=2+2.8=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=6X1 =72233 =34.3- 2.5=0.17+0.6=0.2+0.78=10 71 x3=0.17+0.06=0.83- 0.6=0.6 X 0.7=-4=31.02- 0.09=17X 300=10.2+0.02=720- 800=0.98- 0.09=0.15+0.7=1.1X 9=9.53-1.53=9.5-0.5=3.5+2
6、.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=3+0.3=6.3-9=4.5-0.4=9.5-5=4.8- 40=53100=5.1+2.3=1.25X 80=0.78- 10=0.52+0.4=7X 1.2=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=0.8
7、3-0.5=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=3.4-2.8=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=0.7
8、7 +1 =3.56 10=0.9 7=30.5 昴8004+ 3=5.3 0.1=41.221=5.66 ).2=8.4).7=50198=).1 9.)2=11)1)=1.)1 9=3.1 10=125 7125=).65 5=).1 7=32.5 G5=2.58 .2=).77.32=48) 199=63 搅).7=4 1.8=).34.44=2.)1 7=1)8=).87.62=).12 8=4.2 ).1=1.6 3=1.2 ).6=1)2)=6.2 ).3=).6 ).7=2.8 7)=).9 ).4=2.17).1=5 2.1=2.5 4 ).5=5) ).)4 =3.4).1=6.9 3=1) 2.5 ).4=8 2)5=).8 1.25 15=6X17522、X X E +71073376=2 X 1 528 X4=0.5 1 14X15 -944521100亠2 88十丝331 +1 =4 X ?=12.2 _224325 X 4=10十 5 8i 4=5 X 4 17X603451512 X29 ,12十 1 583633 x 8=46 x 2x 73空x 1仁221亠2 , 2310128.4十 4.25 x ii52x 7351828214x 473 ,- 412 十 3 4亠14 3
