1.3/7×49/9 - 4/3= 2.8/9× 15/36+ 1/27= 3. 12×5/6-2/9×3= 4.8×5/4+ 1/4= 5.6÷3/8-3/8÷6= 6.4/7×5/9 + 3/7×5/9= 7.5/2-(3/ 2 + 4/5)= 8.7/8 +( 1/8 + 1/9)= 9.9×5/6 + 5/6= 10.3/4×8/9- 1/3= 1 1.7×5/49 + 3/ 14= 1 2.6×( 1/ 2 + 2/3)= 13.8×4/5 + 8× 1 1/5= 14.3 1×5/6-5/6= 15.9/7-(2/7- 10/2 1)= / kloc-0/6.5/9× 18- 14×2/ 7= 17.4/5×25/ 16 + 2/3×3/4= 18. 14×8/7-5/6× 12/ 15= 19. / kloc-0/7/32-3/4×9/24= 20.3×2/9 + 1/ 3= 2 1.5/7×3/25 + 3/7= 22.3/ 14×2/3 + 1/6= 23. 1/5×2/3 + 5/6= 24.9/22 + / kloc-0// 1 1÷ 1/2= 25.5/ 3× 1 1/5 + 4/3= 26.45×2/3 + 1/3× 15= 27.7/ 19 + 12/ 1 9×5/6= 28. 1/4 + 3/4÷2/3= 29.8/7×2 1/ 16 + 1/2= 30. 10 1× 1/5- 1/5×2 1= 3 1 .(2/3+2/9)×(5/8-7/ 16)= 32.2/5×3/4- 1/2÷4= 33.[8/ 15-(7/ 12-2/5)]× 15/ 14= 34.5/6+5/3×4/5= 35.5/8- 1 /4×(8/9÷2/3)= 36.( 1/2- 1/6)×3/5÷ 1/5= 37. 1/6÷[9/ 17×(3/4+2/3)]= 38. 1 1/ 12- 1/4+3/ 10÷3/5= 39.2/3÷[(3/4- 1/2)×4/5]= 40.2/5+4/ 15-2/5= 4 1.6/7×5/8+3/ 8÷7/6= 42.(7/ 1 1-3/8)×88= 43. 1 3-48×( 1/ 12+ 1/ 16)= 44.4/5÷3+2/3×4/5= 45.2/5+ 1/2×3/5+7/ 10= 46. 12/ 13×3/7+4/7× 12/ 13+ 12/ 13= 47.(7/8-5/ 16)×(5/9+2/3)= 48.8/ 13÷7+ 1/7×6/ 13= 49.[ 1-( 1/4+3/8)]÷ / kloc-0//4= 50.7/9÷ 1 1/5+2/9×5/ 1 1=