四学年数学下小数加减混合简便运算

54.4＋(1.33＋11.6) 48.66＋9.16＋26.34 5.23＋24.65＋4.35 2.19＋(34.81＋7.35) 16.62＋12.85＋13.15 28.17＋(24.27＋46.83) 41.6＋61.62＋19.38 19.26＋13.75＋18.74 35.53＋41.97＋1.47 71.66＋86.35－13.35 77.04＋43.52－40.04 86.71＋62.16－1.16 83.67＋91.93－65.67 98.23＋91.64－52.64 50.76＋2.28－35.76 81.6＋85.21－31.21 98.62＋16.3－1.62 85.64＋97.14－83.14

0.38＋(12.62＋24.09) 15.44＋(39.56＋42.8) 18.7＋46.27＋38.3 32.98＋35.93＋60.07 32.23＋(13.54＋61.77) 66.41＋(26.59＋20.42) 19.98＋(16.02＋19.39) 36.75＋(39.25＋11.36) 34.31＋39.09＋48.69 41.79＋2.39－24.79 17.17＋63.61－16.61 25.07＋94.94－7.07 41.81＋4.29－23.81 17.4＋78.12－14.12 48.71＋60.9－30.9 85.78＋52.48－11.78 93.34＋76.74－45.34 71.52＋82.41－18.52

12.64＋55.96＋38.04

5.53＋25.46＋5.54

6.98＋62.22＋1.78

14.2＋9.85＋8.8

15.94＋(23.06＋46.3) 41.74＋24.6＋20.4 21.41＋(30.59＋34.31) 49.37＋62.08＋26.92 13.13＋(56.87＋22.78) 5.51＋(44.02＋25.49) 60.75＋23.78－17.75 74.77＋71.05－25.77 4.7＋93.96－7.96 91.74＋88.99－31.99 98.19＋5.92－8.19 45.04＋44.27－30.27 47.77＋66.01－42.01 52.45＋55.87－1.87

29.61＋40.68－9.68 19.22＋45.08＋28.78 39.02＋8.93＋7.98 25.05＋25.18＋45.82 43.57＋(43.42＋12.43) 2.79＋(12.21＋40.08) 36.22＋(28.02＋49.78) 55.4＋(50.85＋20.6) 43.03＋17.3＋37.7 10.85＋29.32＋32.15 97.46＋21.78－28.46 66.46＋82.04－41.04 52.18＋73.08－29.08 98.05＋38.17－31.05 61.02＋91.69－7.02 65.35＋97.1－40.35 61.92＋57.39－35.92 72.67＋91.7－16.7

76.78＋41.05－11.05 8.55＋(67.45＋32.21) 38.21＋(19.47＋30.79) 32.1＋22.55＋56.9 49.74＋49.09＋27.26 5.2＋(37.8＋26.65) 48.98＋2.59＋31.02 13.85＋(35.52＋59.15) 45.51＋14.26＋42.49 9.55＋(50.24＋12.45) 3.75＋80.78－22.78 84.08＋20.69－71.08 75.33＋49.68－25.33 48.88＋13.19－2.88 60.99＋64.76－1.76 60.85＋96.81－69.81 96.75＋20.55－6.55 38.49＋53.44－20.44

23.7＋84.11－51.11 41.86＋24.81＋22.14 28.52＋58.61＋3.39 38.66＋16.71＋4.29 25.23＋43.27＋6.77 6.29＋(27.05＋26.71) 10.52＋20.2＋8.48 53.67＋18.88＋45.33 61.51＋(48.91＋26.49) 60.12＋3.82＋13.88 56.75＋79.35－19.35 83.55＋40.26－30.26 56.95＋61.27－31.95 43.38＋92.5－53.5 51.9＋86.54－9.54 58.03＋85.02－55.02 55.69＋96.88－23.88 36.51＋63.77－6.77

87.23＋38.46－11.46 31.53＋(41.47＋11.37) 47.82＋38.21＋33.79 6.65＋(10.84＋33.35) 61.52＋(49.44＋24.48) 48.18＋(40.82＋32.98) 5.18＋(17.89＋10.82) 19.61＋(37.39＋22.66) 32.17＋38.06＋44.94 1.59＋(15.06＋15.41) 78.48＋47.72－6.48 51.34＋88.89－14.89 2.82＋78.62－11.62 92.48＋25.36－21.48 91.66＋15.06－1.66 44.5＋70.59－5.5 97.78＋87.21－78.78 68.25＋59.58－33.25

28.36＋58.74－13.36 21.77＋(20.23＋48.86) 75.16＋(11.84＋30.52) 8.84＋(16.89＋26.16) 41.52＋42.11＋23.48 48.21＋27.53＋53.47 13.43＋46.2＋17.57

9.41＋(37.4＋31.59)

10.49＋45.15＋3.51 19.73＋19.4＋73.6 73.07＋86.51－45.07 89.11＋77.33－56.33 68.92＋5.11－22.92 89.3＋85.8－72.8 75.64＋13.92－8.64 64.25＋39.54－25.25

82.26＋44.65－9.26

83.21＋90.89－68.89