小数估算计算题 (59)

姓名：___________ 座号：__________ 情况：___________

37＋43.1≈ 73.8÷3.6≈ 33.5＋45.4≈ 54.8＋21.5≈ 33.7＋41.8≈ 22.2×1.5≈ 8.7×2≈ 40.4×1.8≈ 71.4－34.7≈ 43.4×1.5≈ 65.4－61.9≈ 88.1÷40≈ 74.4－66.7≈ 42.2－22.4≈ 19.1＋11≈ 35.6－18.3≈ 37.1－2.8≈ 38.6÷1.6≈ 82.1－58.6≈ 89.9÷49.6≈ 31.2－17.3≈ 70.7＋27.9≈ 90.3÷1.2≈ 58.7÷6.4≈ 93.9÷2.5≈ 38.6×2.3≈ 2.5×28.8≈ 98.3÷64≈ 2.2×16.4≈ 0.4×32.6≈ 52.5÷3.2≈ 81.5＋36.5≈ 64－34.7≈ 2.3×43.9≈ 55.5＋80.6≈ 96.1－64.3≈ 1.1×12.8≈ 18.7＋50.8≈ 73.5÷32≈ 19.4÷16≈ 42.7÷14≈ 37.4÷0.4≈ 99.4÷28.4≈ 87.4－46.8≈ 90.1－76.9≈ 51.6＋59.5≈ 47.3＋91.5≈ 53.1÷45≈ 11.4÷7.6≈ 4.4×4.4≈ 66.8－18.1≈ 78.7＋84.6≈ 2.2×42≈ 47.6＋14.5≈ 18.4×0.3≈ 14.9＋61.6≈ 1.5×33.3≈ 78.3÷19.2≈ 46.5－21.7≈ 48.3＋73.8≈ 47.5÷5≈ 13.8×7.1≈ 65.5－45.6≈ 2.6×32.1≈ 0.6＋5≈ 33.7÷25.6≈ 85.3－44.3≈ 33.7÷25.6≈ 99.4－69.4≈ 54.9÷16≈ 1.5×24.9≈ 32.2－13.1≈ 63.7＋61.8≈ 33.7÷16≈ 58.8÷35≈ 68.5－32.9≈ 57.2－45.2≈ 48.6÷40.5≈ 11.9＋16.7≈ 57.2＋95.1≈ 39.4＋65≈ 85.5－44.4≈ 82.6－34.3≈ 59.1＋21.6≈ 35.6＋0.1≈ 1×30.1≈ 99.7÷51.2≈ 16×3.3≈ 38.4×1.1≈ 96.9＋57.1≈ 90.7－44.7≈ 0.9×9.5≈ 81.5＋65.4≈ 30.2×2.4≈ 44.9－28.6≈ 56＋93.5≈ 17.1÷0.2≈ 1.1×21.4≈ 74.7＋81.4≈ 90.3－62.8≈ 12.9×0.2≈ 80.5＋33.9≈ 22.6＋50.5≈ 73.1－65≈ 1×28.8≈ 2.9×20.5≈ 81.7－74.4≈ 65.7－17≈ 49.6－45.7≈ 96.9－88.6≈ 79.1－53.2≈ 59.4－55.2≈ 40.4÷16≈ 41.3÷40≈ 48.7÷4≈ 84.9－82.4≈ 66.6－42.6≈ 20.5×0.3≈ 78.1－36.2≈ 3.1×30≈ 31－22≈ 59.3－57.8≈ 2×1.9≈ 40.4－16.9≈ 9.2×4.9≈ 32.5－3.5≈ 2.6×17.1≈ 29.4＋66≈ 16.2＋7.8≈ 14.6×2.6≈ 33.9＋64≈ 21.9＋36≈ 6.4＋31.8≈ 25.4－17.6≈ 2.5×4.2≈ 90.6－70.3≈ 58.5＋12.8≈ 81.4÷40≈ 7.3×10.3≈ 92.7÷20≈ 2.9×12.3≈ 10.6×7.4≈ 31.5－3.3≈ 83.3÷23.8≈ 95.4－69.6≈ 0.8×14.3≈ 3.1×9.1≈ 22－0.6≈ 37.8÷6.4≈ 46.4－39≈ 24.1－5.3≈ 65.7＋35.6≈ 6.3＋54.6≈ 93.6－70.7≈ 67.7＋48.8≈ 76.4＋90.4≈ 76.9＋96.3≈ 82.4÷62.5≈ 19.9＋57.1≈ 6.5÷0.4≈ 49.5＋4≈ 83.2＋33.3≈ 58.5－31.1≈ 4.8×14.8≈ 53.7＋94.6≈ 93＋59≈ 20.7÷18≈ 3×15.9≈ 68.5－18.9≈ 29÷2≈ 88.2－88.2≈ 9.3×7.7≈ 16.9＋3.5≈ 70.4÷27.5≈ 85.3÷40≈ 26.1×1.3≈ 74.3－34.3≈ 15.3÷4≈ 38×2.2≈ 82＋94.3≈ 80.7＋39.8≈ 51.7÷27.5≈ 75＋98.7≈ 72.4÷0.5≈ 3.8×3.8≈ 82÷5≈ 17.5×1.5≈ 12.7－11≈ 4.2×17.1≈ 8.2×10.8≈ 30.6＋77.9≈ 45.7－13.9≈ 57.2÷12.8≈ 61.1÷20.8≈ 7.6×8.1≈ 36－32.5≈ 10.8×5.6≈ 70.8÷1.5≈ 60.9÷52.5≈ 72.5－67.3≈ 72.1－31.9≈ 16.9×4.1≈ 3.9×9.3≈ 96.7＋49.9≈ 47.5－32.2≈ 54＋62≈ 2.5＋2.4≈ 1×8.6≈ 42.4＋25.7≈ 51.8－31.7≈ 99.3－84.1≈ 65.4－34.2≈ 80.7÷16≈ 7×6.3≈ 84.3÷12.5≈ 52.8＋45.1≈ 25.8＋57.1≈ 56.7－13.2≈ 1.3×43.4≈ 76.8＋50.8≈ 11.2＋7.5≈ 96.7＋81.8≈ 34.6＋73.2≈ 29＋69.3≈ 49.6－1.6≈ 10.8＋47.3≈ 23.1－15.9≈ 10.5÷5≈ 79.3－48.1≈ 34.9－5.7≈ 30.3×1.5≈ 61.6＋97.8≈ 55.9÷1≈ 1.4×28.5≈ 32.9÷5.6≈ 14.2＋57.7≈ 22.2÷0.5≈ 65＋21.4≈ 3.3×26.5≈ 58.4÷6.4≈ 35.3－0.3≈ 58.9÷19≈ 36.2－31.9≈ 51＋6.3≈ 24.5＋52.7≈ 53.8－45.3≈ 85.5－55.5≈ 19.1×4.8≈ 6.9＋8≈

62.5－55≈ 78.9＋38≈ 58.6＋78.5≈ 19×4.4≈ 39.9＋40.7≈ 26.1÷2.4≈ 48.3÷2≈ 73.9＋61.5≈ 59.8－57.2≈ 40－7.6≈ 56.9＋32.7≈ 24.4－2.4≈ 19.2×0.9≈ 6.6×8.1≈ 32.5÷1≈ 98.4－64.8≈ 3.9×16.8≈ 3.3×28.1≈ 36.6÷15≈ 24.3＋9.8≈ 36.2÷25.6≈ 52.2＋86.4≈ 86＋71.2≈