a = 3/ 5 : b = 2/ 3 [+] : 1.26(1) [-] : -0.06(1) [×] : 0.4 [÷] : 0.9 a = 1/ 3 : b = 3/ 9 [+] : 0.6(1) [-] : 0 [×] : 0.1(1) [÷] : 1 a = 1/ 10 : b = 7/ 30 [+] : 0.3(1) [-] : -0.13(1) [×] : 0.023(1) [÷] : 0.428571(6) a = 13/ 7 : b = 17/ 19 [+] : 2.751879699248120300(18) [-] : 0.962406015037593984(18) [×] : 1.661654135338345864(18) [÷] : 2.075630252100840336134453781512605042016806722689(48) a = 31/ 61 : b = 23/ 71 [+] : 0.832140383...116(420) [-] : 0.184253059...342(420) [×] : 0.164627106...877(420) [÷] : 1.568781183...534(660) a = 199/271 : b = 89/433 [+] : 0.939860068...907 [-] : 0.528774618...016 [×] : 0.150933587...873 [÷] : 3.572577635...010(220) a = 147/22 : b = 1/1 [+] : 7.681(2) [-] : 5.681(2) [×] : 6.681(2) [÷] : 6.681(2) a = 82/35 : b = 1/1 [+] : 3.3428571(6) [-] : 1.3428571(6) [×] : 2.3428571(6) [÷] : 2.3428571(6) a = 23649/666 : b = 1/1 [+] : 36.5090(3) [-] : 34.5090(3) [×] : 35.5090(3) [÷] : 35.5090(3) a = 5895327328/143 : b = 1/1 [+] : 41226066.230769(6) [-] : 41226064.230769(6) [×] : 41226065.230769(6) [÷] : 41226065.230769(6) a = 9/1 : b = 1/1 [+] : 10 [-] : 8 [×] : 9 [÷] : 9 a = 10100/1 : b = 1/1 [+] : 10101 [-] : 10099 [×] : 10100 [÷] : 10100