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,计算题,期末专题复习,直接写结果:,34.20.64= 80.35.21= 0.630.06= 1.10.08= 1.620.5= 2.0230.8= 6.80.15= 8.235.1= 7.80.23= 0.0251.4= 2.357.59= 0.250.046= 1.170.28= 1.082.5= 2.720.28= 2.523.4= 5.61.01= 0.1250.8= 0.181.5= 3.063.6=,21.888,418.363,0.0378,0.088,32.8,62.216,1.02,41.973,1.794,0.035,17.8365,0.0115,0.3276,2.7,0.7616,8.568,5.656,0.1,0.27,11.016,直接写结果:,6.726.4= 0.90.01= 93.60.052= 72.80.8= 51.30.27= 5.50.55= 2.6880.56= 0.7560.36= 25.60.032= 0.3961.2= 2.77.5= 0.90.15= 10.6250.25= 6.60.66= 64.321.6= 4.23.5= 2.870.7= 40.8= 8.80.22= 2.20.11=,1.05,90,1800,91,190,10,4.8,2.1,800,0.33,0.36,6,42.5,44,40.2,1.2,4.1,5,40,20,脱式计算:,(1)2.50.70.8 (2) 51.30.27+10.1 (3)2.132.13 (4)0.27(0.3+0.2)0.6 (5)1.20.50.4 (6) 62.82.50.4 (7)0.68(5.23.5)1.25 (8) 8.54+1.50.25 (9)40.50.810.18 (10) (102.154.6)8.5,1.4,200.1,9,0.9,0.2,62.8,0.5,2.5,9,0.935,简便计算:,1、2.5X7.1X4 2、4.8X100.1,=(2.54)7.1 =107.1 =71,=4.8(100+0.1) =4.8100+4.80.1 =480+0.48 =480.48,3、16.1299+16.12 4、2.5(3.80.04),=16.12(99+1) =16.12100 =1612,=(2.50.04)3.8 =0.13.8 =0.38,5. 9.599 6.(9.37+9.37+9.37+9.37)2.5,=9.5(1001) =9.51009.51 =9509.5 =940.5,=9.3742.5 =9.37(42.5) =9.3710 =93.7,7、72.89.9+7.28 8、(1.250.125)8,=7.2899+7.28 =7.28(99+1) =7.28100 =728,=1.2580.1258 =101 =9,9、0.250.320.125 10、3.61.9+0.3681,=(0.254)(0.1250.08) =10.01 =0.01,=,=0.3619+0.3681 =0.36(19+81) =0.36100 =36,
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