分数加减混合运算习题

1、71627-11051-3-245145272571101093=11254177343=I855335111=十=I558325113I=I74821629273 HYPERLINK l bookmark51115164754176=31I104751113+-581411535113435+=一=+=+=4645774477=1+3=529911=4812+=5=5615151371=8厂2=3=7+1=8+24+3=5,471+=6+91055771+=+12128873_1_5_4=5-4=5+1=4881145-1-三-4一553720.25=+433813511+_=+=+_=96

2、4166521132-2-1-_0.74+g52431111=+=1=5632211111_11+_233_4-3591+4=53,7=416+=77311一56=0.375+1专=87=i-H-LQ+3-5-1-9+2-3-3W-7_10一一1-9-5-9-1_5-3_5一一-2-81-41-47-823-1-2=1-3+1-21-29_10-1-5+4-5=1-8+7-8一一5一12-1-42-98一123一8-7-9=3-9+2-9一一-6-73-5+-77713151151+=1+-+-10542639725121311311+=+=122=一121235447141273235531

3、,10-10=+一二55+=7144+7=555311311-174一,882351541111115156111,721093+=13138_飞=56=7228812313+=1=+=121299153111616513353-=+二=+5=5=7248740.32=12.5X8=8三0.4=2.5X4=7-6.38=36三0.9=5F0.001=13X60=0.8三0.02=0.36+1.54=135三5=0.6X2=4.8三0.6=1.7+3=0.7三3.5=1.25X16=9.6三32=2-0.09=26.26三26=4.57+6.43=5三0.001=2.5X4=0.48三120=1

4、.01X99=4.3-1.60.9X7=0.6+7=0.22X0.5=1.25X8=0.9X100=0.64三16=10-9.12=0.8X125=3.2+1.78=15-5三12-yr四、计算下面各题，能简算的要简算。8.50.241.767.9X117.93.14X327.5（2.5+3.8）5X1.40.4X50.8X1251010-4.8-3.27.8X1.177.8X0.172.65X1.7+1.35X1.72.7X2-0.450.25X1013.25X27+73X3.2538.77.84三1.48.82.5X1.84X9X0.251.25X0.25X3.2788.5220.5710

5、92一5-310-13-8-1一6-3-T2厶=4-5-3-5+=1-8+2-9-7-85+4-3+1）85850.25+1115+4+一157+嗖+215212112512751812+623（5+10）3354+6-85311329+（4+2）10+8521326+6+1315-+15662512718215221+_-（-36127（781+（21）234121+12541丄7+-38128-(5-2)佥-(1+4)213+(2-2136837+11+n931213(13+26)21545+6+_=13-(3+2)15352+4+3=411+53511448+8

6、+71丄+7)3-1-1-315(15+1834344-4+i519193-1426(3+12)154_52+761.875(0.25+3)519193-14519193-141131739202020519193-14519193-141-5-4-5-45-6+2-3+5-81-6+2-7+5-6-3-_3-10.8+;+0.283-4-1-3-1H-22-7+4+7-41-4+1-2/|519193-14519193-1451143134111()+(-)2-+一121225847724651583+12153557411889+12+9121322136(45)3565+3+53214_

7、53531+88121+上3(3+1)X9101548448+i忆+1.21156II1247474+I1匸5+-1-+0.125797958593711618116182+4-(4-1)35557+11-+11)15151015丿4742+-+-15915947+4+72515+一+一一一49696372一_I一一+一12812871+1151552+_+_+-67673723+丄+-451051115111573-14106223123824(35+2)912981019(919)8.2-(1.375+1)1043+0-8一2一4788-(1+625)52J285

8、151581815+315425295+958139+643514迈+61_36_8555724+二+二二131313939544TOC o 1-5 h z51423133H(I)()126351024831(_464521159931(24)11174+_43515153352083-144325i0+33,110+5io-（3+2）15一1093352083-1433520831131173177（20+币）（20币）3352083-143352083-14111151-+0.5+0.5+3312881431227274713912()+(+)5102010633352083-143352083-14解方程52x+石=4.62511+x=129X3-14x+9=337X+5=1037X+-=-5837+X=812211311334x+4,0.8二9.6+x=x+：=-X+=721412743737+x:4112/13、88+X=127十2十x3x+（3十4）=2273x+16=35X+x+0.75-=0.1550.5+4.5x=45.599XF4.5=205x3x=3.25.5X-3X=151211X3-72X_5=1-53x29=192.7X1.6=38.9158257x-427Xx12=2466X1551231463-143=516=8