45 × 2/3 + 1/3 × 15 27.7/ 19 + 12/ 19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29.8/7 × 2 1/ 16 + / kloc-0// 2 30. 10 1 × 1/5 – 1/ 5 × 2 1 3 1.50+ 160÷40 (58+370)÷(64-45) 32. 120- 1 44÷ 18+35 33.347+45×2-4 160÷52 34(58+37)÷(64-9×5) 35.95÷(64-4 5) 36. 178- 145÷5×6+42 420+580-64×2 1÷28 37.8 / kloc-0/2-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23) 38.85+ 14×(6543 8+04+208÷26) 39.(284+ 16)×(5 1 2-8208÷ 18) 40. 120-36×4÷ 18+35 3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/ 27 12× 5/6 – 2/9 ×3 8× 5/4 + 1/ 4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 × 5/ 6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/ / kloc-0/4 6 ×( 1/2 + 2/3 ) 8 × 4/5 + 8 × 1 1/5 3 1 × 5/6 – 5/6 9/7 - ( 2/ 7 – 10/2 1 ) 5/9 × 1 8 – 14 × 2/7 4/5 × 25/ 16 + 2/3 × 3/4 14 × 8/7 – 5/6 × 12/ 15 17/32 – 3/ 4 × 9/24 3 × 2/9 + 1/ 3 5/7 × 3/25 + 3/7 3/ 14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/22 + 1/ 1 1 ÷ 1/2 5/ 3 × 1 / kloc-0//5 + 4/3 45 × 2/3 + 1/3 × 15 7/ 19 + 12/ 19 × 5/6 1/4 + 3/4 ÷ 2/3 29. 8/7 × 2 1/ 1 6 + 1/2 30. 10 1 × 1/5 – 1/ 5 × 2 1 50+ 160÷40 (58+370)÷(64-45) 120- 144÷ 1 8+35 347+45×2-4 160÷52 (58+37)÷(64-9×5) 95÷(64-45) 178-65438+ 045÷5×6+42 420+580-64×2 1÷28 8 12-700÷(9+3 1× / kloc-0/ 1) ( 136+64)×(65-345÷23) 85+ 14×( 14+208÷26) (284+ 16)× (5 12-8208÷ 18) 120-36×4÷ / kloc-0/8+35 (58+37)÷(64-9×5) (6.8-6.8×0.55) ÷8.5 0. 12× 4.8÷0. 12×4.8 (3.2× 1.5+2.5)÷ 1.6 (2)3.2×( 1.5+2.5)÷ / kloc-0/.6 6- 1.6÷4= 5.38+7.85-5.37= 7.2÷0.8- 1.2 ×5= 6- 1. 19×3-0.43= 6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× / kloc-0/.9 10. 15- 10.75×0.4-5.7 5.8×(3.87-0. 13)+4.2× 3.74 32.52-(6+9.728÷3.2)×2.5 [(7. 1-5.6)×0.9- 1. / kloc-0/5] ÷2.5 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷( 12-7.2)-6 (4) 12×6÷7.2-6