Fill in the blanks 1. Calculate1.135+3.346+5.557+7.768+9.979 = _ _ _. 2. Calculate1.996+19.97+65438. _ _.4. Calculate 6.11+9.22+8.33+7.44+5.55+4.56+3.67+2.78+1.89 = _ _ _. 5. Calculate 1. 5438+03.13+15.15+17+19.19 = _ _. 6. Calculate 2.89× 4.68. 8+07.48×19+17.48× 82 = _ _ .8. Calculation1.25× 0.32× 2.5 = _ _. 9. Calculate 75× 4.7+65438+. _ _. Second, solve the problem 1 1. Calculate 172.4×6.2+2724×0.38, and fill in the blanks 1. Calculate1.135+3.346+5.557+7.768+9.979 = _ _ _. 2. Calculate1.996+19.97+65438. _ _.4. Calculate 6.11+9.22+8.33+7.44+5.55+4.56+3.67+2.78+1.89 = _ _ _. 5. Calculate 1. 5438+03.13+15.15+17+19.19 = _ _. 6. Calculate 2.89× 4.68. 8+07.48×19+17.48× 82 = _ _ .8. Calculation1.25× 0.32× 2.5 = _ _. 9. Calculate 75× 4.7+65438+. _ _. Second, solve the problem 1 1. Calculate172.4× 6.2+2724× 0.3812. Calculate 0.00 … 0181× 0.00 … 065438+. 13. Calculation12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91 A ÷ b.a = 0.00 ... 0 1 05b = 0.00 ... 0191994019960, draw inferences from one another: 1. Vacuum problem1. Calculate 4.75-9.64+8.25-1.36 = _ _ _. 2. Calculate 3.17-2.74+4.7+5.29-0.26+6.3 = _ _ _. × 8 = _ _ _. 4. Calculate 34.5× 8.23-34.5+2.77× 34.5 = _ _ _. 5. Calculate 6.25× 0.16+264× 0.0625+5.2× 6.25+0. 8+0× 0.5 = _ _ _. 7. Calculation19.98× 37-199.8×1.9+1998× 0.82 = _ _ _. 8. Count 65438. 8+025× 0.25× 0.5× 64 = _ _ _.10. Calculate 1 1 .8× 43-860× 0.09 = _ _ _ _ .2, and solve the problem/kloc-. Calculate 99.99×1.1.11.1/2. Calculate 0.888× 99.8+19.98+1.998.14. There are two decimal places below: a = 0.00 … 0125b = 0.00 … 0819960. Try to find A+B. a×b, a÷b.1.125 * 3+125 * 5+25 * 3+25 2.9999 * 3+/kloc-0. (23/4-3/4)*(3*6+2) 4.3/7 × 49/9 - 4/ 3 5.8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7.8× 5/4 + 1/4 8.6÷ 3/8 – 3/8 ÷6 9.4/ 7 × 5/9 + 3/7 × 5/9 10.5/2 -( 3/ 2 + 4/5 ) 1 1.7/8 + ( 1/8 + 1/9 ) 12.9 × 5/6 + 5/6 13.3/4 × 8/ 9 - 1/3 14.7 × 5/49 + 3/ 14 15.6 ×( 1/2 + 2/3 ) 16.8 × 4/5 + 8 × 1 1/5 17.3 / kloc-0/ × 5/6 – 5/6 18.9/7 - ( 2/7 – 10/ 2 1 ) 19.5/9 × 18 – 14 × 2/7 20.4/5 × 25/ 16 + 2/3 × 3/ 4 2 1. 14 × 8/7 – 5/6 × 12/ 15 22. 17/32 – 3/4 × 9/24 23.3 × 2/9 + 1/3 24.5/7 × 3/25 + 3/7 25.3/ 1 4 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27.9/ 22 + 1/ 1 1 ÷ 1/2 28.5/3 × 1 1/5 + 4/3 29.45 × 2/ 3 + 1/3 × 15 30.7/ 19 + 12/ 19 × 5/ 6 3 1. 1/4 + 3/4 ÷ 2/3 32.8/7 × 2 1/ 16 + / kloc-0//2 33. 10 1 × 1/5 – 1/ 5 × 2 1 34.50+ 160÷40 35. 120- 144÷ 1 8+35 36.347+45×2-4 160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39. 178- 145÷5× 6+42 40.8 12-700÷(9+3 1× 1 / kloc-0/) 4 1.85+ 14×( 14+208÷26) 43. 120-36×4÷ 18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8× 0.55) ÷8.5 46.0. 1 2× 4.8÷0. 12×4.8 47.(3.2× 1.5+2.5)÷ 1.6 48.6- 1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8- 1.2×5= 6- 1. 1 9×3- 0.43= 50.6.5×(4.8- 1.2×4)= 5 1.5.8×(3.87-0. 13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7. 1-5.6)×0.9- 1. / kloc-0/5] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55. 12×6÷( 12-7.2)-6 56. 12×6÷7.2-6 57.0.68× 1.9+0.32× 1.9 58.58+370) ÷(64-45) 59.420+580-64×2 1÷28 60. 136+6×(65-34 5÷23) 15- 10.75×0.4-5.7 62. 18. 1+(3-0.299÷0.23)× 1 63.(6.8-6.8×0.55) ÷8.5 64.0. 12× 4.8÷0. 12×4.8 65.(3.2× 1.5+2.5)÷ 1.6 66.3.2×6+( 1.5+2.5)÷ 1.6 67.0.68× / kloc-0/.9+0.32× 1.9 68. 10 . 15- 10.75×0.4-5.7 69.5.8×(3.87-0. 13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 7 1 .[(7. 1-5.6)×0.9- 1. 15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73. 12×6÷( 12-7.2)-6 74. 12×6÷7.2-6 75.33.02-( / kloc-0/48.4-90.85)÷2.5 1) 76.(25%-695%- 12%) *36 77./4*3/5+3/4*2/5 78. 1- 1/4+8/9/7/9 79.+ 1/6/3/24+2/2 1 80./ 15*3/5 8 1.3/4/9/ 10- 1/6 82./3+ 1/2)/ 5/6- 1/3]/ 1/7 83./5+3/5/2+3/4 84.(2-2/3/ 1/2)]* 2/5 85.+5268.32-2569 86.3+456-52*8 87.5%+6325 88./2+ 1/3+ 1/4 2) 89+456-78 3) 5%+.3/7 × 49/9 - 4/3 4) 9 × 15/36 + 1/ 27 5) 2× 5/6 – 2/9 ×3 6) 3× 5/4 + 1/4 7) 94÷ 3/8 – 3/8 ÷6 8) 95/7 × 5/9 + 3/7 × 5/9 9) 6/ 2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + / kloc-0//9 ) 1 1) 8 × 5/6 + 5/6 12) 1/4 × 8/9 - 1/3 13) 10 × 5/ 49 + 3/ 14 14) / kloc-0/.5 ×( 1/2 + 2/3 ) 15) 2/9 × 4/5 + 8 × 1 1/5 16) 3. 1 × 5/6 – 5/6 17) 4/ 7 - ( 2/7 – / kloc-0/0/2 1 ) 18) 19 × 18 – 14 × 2/7 19) 5 × 25/ 16 + 2/3 × 3/4 20) 4 × 8/7 – 5/6 × 12/ 15 2 1) 7/32 – 3/4 × 9/24 22) 1、 2/3÷ 1/2- 1/4×2/5 2、 2-6/ 13÷9/26-2/3 3、 2/9+ 1/2÷4/5+3/8 4、 / kloc-0/0÷5/ 9+ 1/6×4 5、 1/2×2/5+9/ 10÷9/20 6、 5/9×3/ 10+2/7÷2/5 7、 1/2+ 1/4×4/5- 1/8 8、 3/4×5/7×4/ 3- 1/2 9、 23-8/ 9× 1/27÷ 1/27 10、 8×5/6+2/5÷4 1 1、 1/2+3/4×5/ 12×4/5 12、 8/9×3/4-3/ 8÷3/4 13、 5/8÷5/4+3/23÷9/ 1 1 23) 1.2×2.5+0.8×2.5 24) 8.9× 1.25-0.9× 1.25 25) 12.5×7.4×0.8 26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5 0.35× 1.6+0.35×3.4 0.25×8.6×4 6.72-3.28- 1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×4 1 846-620-380 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5- 12.5×2.4 28× 12.5- 12.5×20 23.65-(3.07+3.65) (4+0.4×0.25)8×7× / kloc-0/.25 1.65×99+65 438+0.65 27.85-(7.85+3.4) 48× 1.25+50× 1.25×0.2×8 7.8×9.9+0.78 ( 10 10+309+4+68 1+6) × 12 3×9 146×782×6×854 5. 1 5×7/8+6. 1-0.60625 1. 3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3. / kloc-0/2× 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 12.6 ×( 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 ) 16.5/9 × 18 – / kloc-0/4 × 2/7 17.4/5 × 25/ 16 + 2/3 × 3/ 4 18. 14 × 8/7 – 5/6 × 12/ 15 19. 17/32 – 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 + 1/ / kloc-0/ 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 / kloc-0/.50+ 160÷40 (58+370)÷(64-45) 32. 120- 144÷ 18+35 33.347+45×2-4 160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36 . 178- 145÷5×6+42 420+580-64×2 1÷28 37.8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23) 38.85+ 14×( 14+208 ÷26) 39.(284+ 16)×(5 12-8208÷ 18) 40. 120-36×4÷ 18+35 4 1.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55) ÷8.5 43.0. 12× 4.8÷0. 12×4.8 44.(3.2× 1.5+2.5)÷ 1.6 (2)3.2×( 1.5+2.5)÷ 1.6 45.6- 1 .6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-6 5438+0.2×5= 6- 1. 19×3-0.43= 47.6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× 1.9 48. / kloc-0/0. 15- 10.75×0.4-5.7 49.5.8×(3.87-0. 13)+4.2×3.74 50.32.52-(6+9.728÷3.2)×2.5 5 1.[(7. 1-5.6)×0.9- 1 . 15]÷2.5 52.5 . 4÷[2.6×(3.7-2.9)+0.62]53. 12×6÷( 12-7.2)-6(4) 12×6÷7.2-6 65438(6.8-6.8×0.55) ÷8.5 3.0. 1 2× 4.8÷0. 12×4.8 4.(3.2× 1.5+2.5)÷ 1.6 (2)3.2×( 1.5+2.5)÷ 1.6 5.6- 1 .6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-65438 +0.2×5= 6- 1. 19×3-0.43= 7.6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× 1.9 8. 1 0. 15- 10.75×0.4-5.7 9.5.8×(3.87-0. 1 3)+4.2×3.74 10.32.52-(6+9.728÷3.2)×2.5 1 1.[(7. 1-5.6)×0.9- / kloc-0/. 15] ÷2.5 12.5.4÷[2.6×(3.7-2.9)+0.62] 13. 12× 6 ÷ ( 12-7.2)-6 14. 12× 6 ÷ 7.2-6 15.33.02-(65438