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1、,l,l11. 改写成三位小数8.92 =5.85 =0.77 =9.97 =2.01 =6.68 =5.02 =4.4 =5.99 =2.1 =8.23 =0.27 =2. 计算2.01 + 2.35 =1.67 + 9.78 =4.12 + 8.38 =0.94 + 4.38 =9.42 + 1.96 =3.51 + 0.84 =7.67 + 0.38 =0.74 + 8.47 =3.22 + 7.98 =2.46 + 6.72 =6.52 + 1.25 =5.88 + 0.52 =21. 改写成三位小数8.12 =9.46 =3.94 =0.65 =9.43 =3.37 =9.82 =8
2、.73 =6.84 =6.9 =9.06 =8.36 =2. 计算9.24 + 8.64 =2.63 + 1.33 =8.09 + 4.57 =0.75 + 5.07 =7.26 + 0.26 =6.64 + 1.06 =7.89 + 0.37 =7.11 + 7.33 =1.83 + 4.38 =6.17 + 7.22 =6.05 + 0.52 =9.81 + 1.55 =31. 比大小，在圆圈里填上“”、“”、“”、“”或“=”7.1213.7711.213.913.0113.5414.20.7413.897.079.4812.2719.0114.8512.778.6416.6216.94
3、.84.7919.4119.3916.1516.222. 计算6.65 + 1.41 =8.37 + 4.1 =7.01 + 4.76 =3.43 + 4.19 =0.7 + 1.59 =8.66 + 9.03 =8.77 + 5.43 =7.83 + 7.29 =0.59 + 5.59 =1.01 + 7.81 =9.37 + 6.09 =2.08 + 4.17 =6计算3.6758 1000 =0.8372 1000 =0.8922 1000 =3.6004 10 =2.6502 10 =4.8776 100 =937.36 10000 =894.08 1000 =2693.78 100
4、=8114.56 10000 =7999.09 100 =254.53 10000 =1.9 + 7.9 + 3.1 + 7.1 =0.5 + 0.5 + 9.5 + 8.5 =9.74 7.74 1.08 =7.22 0.27 5.22 =6.86 1.86 1.82 =8.41 0.8 0.41 =5.62 2.51 0.62 =7.53 4.53 0.25 =6.57 0.17 1.83 =7.38 0.5 4.38 =9.67 2.67 4.82 =9.43 3.24 1.43 =7计算4.4829 100 =2.8182 1000 =3.1847 100 =0.485 10000 =
5、2.6552 10 =4.0777 10000 =4228.54 100 =7765.93 1000 =6730.46 1000 =77.64 10000 =69.71 10 =7582.52 10000 =9.95 1.06 + 2.31 =4.79 3.71 + 7.11 =9.96 + 7.49 3.5 =4.87 2.84 + 3.88 =4.04 2.44 + 5.07 =7.69 1.89 + 7.41 =8.14 7.78 + 0.75 =1.53 + 2.19 1.0 =5.61 2.14 + 5.04 =8.96 5.66 + 7.18 =8.99 2.93 + 5.97 =
6、5.34 + 1.45 2.1 =8计算9.44 8.9 0.44 =9.0 5.61 2.0 =9.85 0.96 6.85 =9.24 2.98 0.24 =7.7 2.4 2.7 =9.55 4.05 4.55 =8.0 7.11 + 8.76 =7.01 5.19 + 0.48 =6.54 3.96 + 9.06 =9.95 4.06 + 5.18 =4.47 + 3.57 2.02 =5.39 + 3.1 2.46 =8.8 7 =2.3 6 =4.5 7 =1.8 6 =1.2 3 =8.6 3 =3.5 2 =5.3 2 =6.6 7 =6.3 5 =9.3 5 =3.1 6 =
7、9计算9.62 0.94 0.06 =9.11 1.11 2.72 =6.96 0.94 0.06 =6.26 0.07 5.93 =7.01 0.01 2.02 =5.77 2.77 0.73 =4.96 3.22 + 4.85 =2.91 2.6 + 9.51 =4.03 + 3.0 5.86 =8.1 + 9.76 4.98 =1.91 0.35 + 1.71 =6.61 + 8.73 0.82 =6.2 9 =5.5 9 =9.5 7 =9.8 9 =1.7 7 =2.4 5 =8.6 8 =4.9 2 =5.6 6 =2.4 7 =0.9 2 =9.4 5 =10计算5.33 0.3
8、3 3.6 =5.59 2.61 1.39 =9.94 5.65 3.94 =6.62 0.79 0.21 =7.87 1.84 0.16 =9.59 5.59 1.06 =3.14 + 8.85 8.26 =1.76 1.4 + 6.27 =9.46 2.0 + 5.21 =2.62 0.3 + 1.98 =7.18 4.0 + 3.78 =4.0 1.97 + 9.98 =0.7 3 =3.1 3 =3.3 5 =3.7 5 =2.8 3 =9.1 6 =4.2 6 =2.6 4 =7.6 9 =1.5 8 =7.7 4 =5.2 2 =11计算9.22 8 =8.45 2 =2.35 3
9、 =6.5 5 =8.05 9 =5.88 8 =2.03 13 =1.29 18 =1.55 16 =6.26 11 =7.57 11 =8.27 19 =6.4 100 =8.1 70 =9.6 10 =2.9 400 =1.6 700 =1.7 60 =5.55 30 =5.22 40 =0.24 40 =1.04 50 =3.15 20 =5.53 50 =12计算1.3 + 6.12 4.07 =4.04 2.09 + 5.0 =0.47 + 7.16 0.39 =2.96 2.41 + 7.16 =8.39 4.27 + 4.17 =7.1 + 6.4 0.84 =7.07 4.3
10、6 + 5.23 =8.18 0.75 + 7.26 =1.35 0.41 + 0.72 =8.7 + 7.41 5.29 =3.2 1.19 + 5.37 =8.64 8.17 + 8.9 =2.94 4 =9.62 3 =8.26 4 =2.71 2 =9.87 8 =8.22 2 =5.75 15 =4.76 13 =7.26 19 =3.52 14 =3.91 14 =7.49 14 =13计算1.91 + 9.4 7.23 =4.76 0.37 + 5.58 =7.15 0.86 + 9.16 =8.5 + 5.47 2.96 =8.18 2.47 + 0.65 =2.24 + 8.
11、59 9.12 =7.01 3.35 + 1.65 =9.29 9.06 + 7.2 =6.55 + 8.01 3.84 =4.21 + 9.71 1.63 =4.3 + 3.9 1.59 =9.02 1.37 + 8.58 =8.32 9 =5.24 4 =9.33 7 =5.59 5 =9.63 9 =8.78 4 =6.49 11 =7.05 13 =4.31 13 =5.75 13 =1.46 14 =7.23 13 =14计算7.11 4.55 1.45 =9.03 1.12 0.88 =9.07 8.31 0.07 =9.21 0.33 7.21 =6.75 3.75 0.77 =
12、5.64 3.76 0.64 =7.4 0.5 =7.6 0.4 =0.1 0.4 =6.7 0.7 =2.7 0.5 =3.3 0.8 =7.81 0.3 =0.51 0.1 =9.28 0.9 =0.89 0.8 =9.05 0.4 =4.59 0.7 =1.58 0.9 =3.66 0.5 =9.87 0.2 =8.55 0.1 =7.98 0.7 =9.55 0.7 =15计算9.1 0.39 4.1 =9.21 4.92 0.21 =8.47 3.81 1.19 =9.67 3.3 2.7 =7.44 0.44 4.77 =9.35 5.35 3.83 =8.3 0.1 =5.5 0
13、.4 =8.8 0.2 =9.5 0.4 =6.2 0.5 =3.8 0.8 =5.27 0.4 =3.12 0.6 =3.91 0.5 =0.38 0.1 =1.48 0.1 =3.11 0.5 =0.54 0.8 =6.76 0.5 =5.76 0.9 =2.99 0.7 =0.59 0.9 =4.87 0.5 =16计算9.52 3.4 4.6 =8.38 1.34 2.38 =9.61 4.41 0.59 =7.37 0.9 2.1 =9.91 2.91 6.06 =2.83 0.03 1.83 =3.3 0.4 =3.1 0.7 =1.3 0.7 =5.5 0.1 =1.2 0.5
14、=7.7 0.8 =8.44 0.1 =9.48 0.8 =7.54 0.6 =3.59 0.9 =1.83 0.9 =2.26 0.6 =2.81 0.7 =4.06 0.6 =5.77 0.2 =0.51 0.8 =5.08 0.4 =4.03 0.1 =17计算8.38 4.38 0.15 =9.94 5.65 3.94 =3.75 1.29 1.75 =9.09 1.09 2.3 =7.27 2.78 3.27 =7.94 0.78 4.94 =0.1 0.2 =2.7 0.3 =9.9 0.1 =2.9 0.7 =9.6 0.9 =3.2 0.5 =3.14 0.2 =1.46 0.
15、7 =3.68 0.1 =5.07 0.7 =5.76 0.8 =5.34 0.8 =7.65 0.9 =9.23 0.5 =2.58 0.3 =4.83 0.9 =3.62 0.4 =9.92 0.4 =18计算1.76 17 =0.37 12 =3.85 16 =9.88 14 =7.71 18 =7.69 19 =5.51 92 =7.88 38 =0.83 340 =9.41 68 =1.42 63 =2.82 30 =2.45 80 =8.77 80 =9.73 80 =3.69 40 =2.84 90 =5.43 60 =4.26 50 =2.62 30 =6.33 40 =9.7
16、9 90 =1.14 100 =1.03 20 =19计算7.04 12 =5.31 15 =4.14 12 =6.19 19 =2.68 12 =0.28 11 =4.48 71 =7.58 81 =7.93 86 =1.45 40 =7.81 91 =0.48 96 =5.16 50 =3.17 50 =6.72 40 =7.85 60 =4.94 80 =0.84 70 =0.08 300 =3.37 60 =1.87 60 =7.07 70 =7.97 20 =1.69 50 =20计算5.11 15 =0.07 15 =2.95 19 =2.55 14 =4.45 14 =0.88
17、18 =9.68 81 =9.78 38 =3.05 65 =1.79 49 =5.76 69 =6.88 22 =6.21 60 =3.94 50 =3.88 80 =9.94 70 =3.37 10 =5.52 70 =4.62 30 =2.42 50 =2.86 100 =9.87 80 =9.36 40 =5.46 40 =21计算8.94 14 =6.95 18 =4.95 12 =5.73 19 =1.27 19 =7.32 19 =7.51 91 =5.94 52 =0.11 990 =9.18 94 =8.41 28 =3.46 61 =5.36 30 =4.39 10 =8.
18、35 30 =9.17 30 =0.59 10 =6.54 50 =9.73 80 =2.81 40 =9.22 60 =2.46 100 =7.21 90 =1.37 50 =22计算3.28 11 =9.05 11 =0.96 18 =8.53 19 =7.58 19 =9.19 11 =9.76 47 =1.72 40 =8.38 62 =4.82 39 =2.95 75 =1.64 52 =5.36 90 =8.16 50 =7.33 20 =9.53 90 =3.37 60 =9.63 30 =5.38 100 =0.13 700 =1.91 30 =9.53 100 =1.13 6
19、0 =5.19 50 =23计算4.26 2.59 1.41 =9.1 4.61 0.39 =5.59 0.58 0.42 =8.8 4.49 0.51 =9.9 2.38 0.62 =8.99 0.99 3.46 =3.76 + 5.13 1.8 =7.27 + 6.15 7.83 =2.06 1.71 + 9.14 =7.8 3.54 + 9.39 =6.09 4.6 + 8.82 =3.81 + 10.01 7.74 =9.74 4.5 =9.53 9.2 =2.56 0.22 =0.72 6.71 =4.15 5.1 =2.1 1.46 =1.59 5.2 =0.11 3.84 =7.
20、5 1.09 =1.1 7.83 =8.19 8.7 =7.2 7.06 =24计算8.28 0.28 7.84 =5.25 0.25 3.32 =7.56 3.56 0.31 =9.32 3.4 2.6 =9.19 0.63 5.37 =7.87 1.84 0.16 =8.27 1.78 + 6.49 =6.69 + 7.27 4.04 =6.14 0.6 + 2.73 =7.68 0.2 + 6.27 =0.05 + 6.47 4.27 =3.28 0.18 + 5.14 =9.11 0.21 =9.85 7.1 =7.56 1.3 =2.71 5.3 =4.91 0.56 =7.6 8.
21、09 =3.1 0.77 =7.15 7.2 =1.59 6.3 =0.42 5.22 =9.27 1.1 =4.71 7.5 =25计算4.88 1.88 1.62 =9.6 0.63 5.37 =6.3 2.64 2.3 =4.73 2.73 0.97 =6.62 0.92 5.08 =7.12 3.79 0.12 =1.62 1.13 + 8.74 =5.39 + 3.1 2.46 =4.88 + 8.04 7.19 =5.61 2.14 + 5.04 =0.38 + 8.5 1.37 =9.95 0.7 + 3.6 =4.83 3.8 =3.78 6.6 =7.09 7 =6.08 6
22、.5 =3.94 8.4 =7.39 0.26 =4.08 9.5 =0.35 1.07 =6.63 5.6 =9.82 7.8 =5.74 5.5 =1.94 1.3 =26计算7.42 5.13 1.42 =9.18 0.58 7.18 =8.75 1.75 3.63 =2.51 0.65 0.51 =9.37 2.01 0.99 =9.84 7.3 1.84 =7.69 0.21 + 8.94 =9.46 2.0 + 5.21 =2.22 + 5.54 2.63 =3.91 + 6.47 7.21 =7.07 + 2.1 7.52 =8.76 5.0 + 5.42 =4.2 9.49 =
23、6.56 8.5 =0.07 9.46 =6.49 3.5 =2.21 5.5 =2.38 3.2 =0.67 1.51 =9.98 7.7 =3.8 4.09 =2.37 2.6 =5.83 0.07 =4.22 3.1 =27计算9.48 0.48 7.75 =6.8 5.26 0.8 =9.97 4.04 4.96 =5.31 2.31 0.31 =6.76 0.92 5.76 =8.67 0.55 0.45 =8.96 5.66 + 7.18 =3.34 0.06 + 4.81 =0.72 + 1.97 0.46 =6.29 3.98 + 5.49 =9.42 5.65 + 6.82
24、=8.63 0.04 + 1.44 =9.64 0.8 =7.41 9.6 =7.27 2.2 =9.52 4.5 =9.05 1.4 =8.66 8.7 =0.05 9.09 =0.4 1.96 =7.3 2.83 =0.51 2.34 =1.73 4.8 =1.91 6.4 =28计算5.52 1.1 =4.63 3.9 =0.3 0.13 =4.08 4.2 =7.29 3.2 =2.19 6.7 =0.14 9.34 =0.51 6.35 =4.87 3.8 =4.78 9.3 =5.58 0.23 =1.83 0.52 =45.6 0.8 =56.7 0.6 =96.8 0.4 =9
25、6.7 0.1 =23.5 0.1 =87.5 0.5 =51.8 0.5 =53.6 0.2 =10.2 0.6 =47.3 0.2 =12.2 0.2 =46.2 0.7 =29计算9.9 6.49 =0.35 4.84 =5.37 6.6 =1.04 7.4 =7.76 7.7 =3.06 1.8 =0.63 4.09 =4.6 7.08 =3.64 0.82 =0.59 6.27 =4.01 4.6 =8.71 4.2 =84.9 0.5 =18.4 0.4 =96.6 0.7 =99.0 0.4 =69.2 0.2 =37.8 0.2 =26.0 0.4 =25.3 0.2 =49.
26、5 0.5 =9.4 0.5 =36.4 0.1 =45.3 0.3 =30计算8.78 1.3 =1.26 1.8 =9.7 1.03 =7.99 2.1 =6.61 3.6 =5.7 0.85 =5.46 1.3 =9.82 4.5 =6.23 4.8 =4.58 5.8 =2.35 8.9 =7.98 3.8 =75.3 0.5 =89.9 0.2 =74.0 0.5 =66.0 0.8 =59.2 0.2 =48.7 0.5 =16.9 0.2 =25.6 0.4 =98.9 0.2 =79.8 0.2 =44.1 0.9 =19.7 0.2 =31计算6.6 5.52 =3.7 8.
27、37 =4.47 0.28 =2.7 8.04 =3.1 3.04 =0.8 2.64 =5.43 0.85 =7.6 5.66 =2.15 1.3 =2.26 9.6 =9.5 6.43 =5.2 6.55 =66.8 0.4 =66.9 0.5 =37.2 0.6 =8.2 0.1 =28.7 0.1 =14.4 0.2 =48.6 0.3 =87.5 0.5 =88.9 0.1 =4.2 0.6 =5.8 0.4 =79.8 0.1 =32计算0.77 7.85 =8.7 6.98 =9.2 1.64 =4.53 6.7 =2.52 9.7 =0.48 2.6 =4.22 3.1 =4.
28、6 3.17 =5.17 8.4 =4.04 9.1 =5.67 4.3 =0.42 5.22 =0.8 0.5 =75.8 0.5 =58.7 0.5 =70.8 0.6 =25.8 0.6 =69.6 0.3 =42.9 0.5 =41.9 0.1 =31.8 0.2 =57.2 0.1 =90.5 0.2 =49.2 0.3 =33计算1.18 18 =0.76 11 =2.31 19 =7.68 14 =7.63 19 =2.58 18 =7.84 16 =0.71 12 =4.38 18 =8.53 17 =5.38 14 =8.11 17 =1.7 40 =6.4 80 =9.9
29、600 =0.5 50 =8.8 80 =5.9 90 =9.6 90 =2.3 30 =8.9 400 =3.7 100 =4.6 70 =2.2 30 =34计算1.58 19 =1.65 11 =1.79 15 =6.49 11 =4.03 17 =2.31 16 =3.82 18 =9.54 18 =2.25 16 =6.79 15 =2.62 17 =0.94 18 =6.5 400 =2.8 80 =7.1 500 =3.5 50 =9.9 800 =4.7 20 =9.3 10 =9.7 40 =9.1 90 =4.6 100 =6.5 300 =5.2 90 =35计算3.44
30、 16 =3.17 13 =6.33 16 =3.54 11 =4.08 17 =2.68 12 =2.52 13 =8.41 12 =8.28 19 =6.13 14 =2.31 17 =2.92 18 =6.6 20 =6.2 60 =6.8 50 =7.8 30 =3.5 70 =2.8 70 =8.8 90 =1.7 200 =6.7 800 =9.3 90 =9.2 900 =4.2 20 =36计算6.39 13 =1.79 18 =4.05 19 =1.51 16 =1.94 11 =7.83 14 =1.64 11 =2.97 18 =1.54 16 =4.22 14 =8.74 15 =5.19 16 =9.7 60 =6.2 10 =2.2 50 =5.3 70 =4.9 90 =7.8 80 =8.2 100 =2.9 2