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1、小數簡便計算練習一3.20.364.81.64 0.456.223.78 6.94.83.1 4.025.40.981.293.72.716.3 0.39+0.36+3.64 73.81.6413.85.36 5.171.83.2 7.140.532.47 35.61.815.67.2 66.868.661.34 36.83.96.17.852.340.854.66 13.354.682.65 9.64.83.6 5.272.860.661.63 3.687.562.68 47.87.458.8 3.822.90.189.1 1.27+3.9+0.73+16.1 1.57+0.24+7.43

2、2.648.677.3611.33 0.13+2.66+0.87 1.76+0.19+3.24 23.40.813.47.2 15.02-6.8-1.02 82.451.55 3.251.790.591.75 1.233.40.236.6 7.54.96.5 13.75(3.756.48) 15.89(6.755.89) 12.7(3.70.84) 2.35+1.71+0.29+7.65 4.8+8.63+5.2+0.37 5.93+0.19+2.81小數簡便計算練習二3.61.283.4 4.32(1.322.34)2.53.250.757.5 41.41.6 3.29.46.8 14.35

3、.64.3 14.155.875.85 21.075.611.078.075.80.93 28.937.465.546.385.44.63.62 8.62.112.43.89 12.63.287.45.7215.0478.925.047 80(8.246.31.76) 4.8+2.5-1.827.62(7.624.85) 53.8+61.3-23.8 12.68-4.69+1.32 11.74+(8.06-5.8)94.13-(28.9-1.87) 25.3+6.9+13.1 6.32-1.94+12.68 25.14-13.49-6.5136.28-(25.7+6.28) 1-0.45-0.

4、55 13.27-(2.46+5.27) 2.54-8.16+9.46+9.168.56+7.5+2.44-2.5 25.403-(5.403+12.5) 18.3+2.55+21.7+1.45 73.26-(18.9+3.26)12.92+2.8+6.08+7.2 27.3+73.2+72.7 2.54-0.7-0.54 72.81-8.6+5.19小數簡便計算練習三 72.43-(6.8+12.43) 0.6+7.91+3.4+0.09 28.5-(2.1-0.63-0.37) 100-36.83-47.17 89.45+2.97-6.45 7.5+8.3+1.7+2.5 2.07+4.5

5、8+0.93+5.42 56.12-23.18-16.12 8.57-2.47+3.43+5.47 15.8-(5.8+7.4) 15.25-3.1+0.75-4.9 3.45+8.7+16.55+0.3 8.43+2.97+0.57+0.03 5.02-3.5+0.98 2.88+2.3+4.7 36.78-21.45-13.55 3.8+1.37+6.2+12.63 17.05(2.056.4) 3.73+5.28+4.27+4.72 1.88+2.3+3.7 5.17-1.8-3.2 4.02-3.5+0.98 13.7+0.98+0.02+4.3 42.522.177.83 3.8-0

6、.46-1.54 5.02-3.5+0.98 2.88+2.3+4.7 36.78-21.45-13.55 74+2.7+2.3+26 14.7+1.98+0.02+5.3 15.4+2.7-14.4 25.4-15.3+7.7 5.85+1.89+2.1524.8+14.6+15.45.851.750.25 27.3+73.2+72.7小數簡便計算練習四42.522.177.83 3.8+1.37+6.2+12.63 15.28+28.99+20.72 9.42-4.98+0.58100.432.57 14.9(5.24.9) 4.370.281.635.72 11.26+6.49-5.26

7、8.42+8.46+8.54+8.58 6.94.83.10.456.223.7815.89(6.755.89) 3.687.562.68 7.852.340.854.66 35.61.815.67.25.272.860.661.63 13.354.682.65 73.81.6413.85.3625.48(9.40.52) 8.94.16.15.9 15.02-6.8-1.02 5.93+0.19+2.074.8+8.63+5.2+0.37 1.76+0.19+3.24 1.27+3.9+0.73+16.1 7.54.96.50.12+2.66+0.88 2.57+0.45+7.43 5.27

8、1.63.4 5.7+0.6-5.78.48(8.48+0.9) 4.32-2.5+0.68 21.32-(6.32+8.3) 3.55-1.86+2.45 小數簡便計算練習五5.6+2.7+4.4 9.14-1.43-6.57 4.8+2.7+5.2+6.3 8.90.461.13.5429.360.258.75 0.380.362.62 51.278.661.34 18.5-(8.5+7.9)18.75+76.3+1.25+23.7 100-25.64-34.36 8.5+7.6-8.5+2.4 6.37-2.5-1.5(2.524+1.389)-(0.524+1.389) 45.75-(

9、15.75-3.87) 4.08-3.5+3.92 5.26+31+1.74-1947.67-(1.67+5.26) 6.734.60.4 4.370.92.63 6.432.82.218.519.030.97326.4十68十3.615.5十26.5一20.4 10.64-5.88+2.3610.27十0.48.27 24.6一3.98十5.46.0264.3一18.75十15.7一11.256.734.60.4 4.370.92.63 6.432.82.2 18.5-(8.5+7.9)18.75+76.3+1.25+23.7 8.5+7.6-8.5+2.4 3.9+0.1-3.9+0.1

10、3.8+1.37+6.2+12.63小數簡便計算練習六5.04-2.5+0.96 22.8-5.23-9.77 23.66+4.34-3.66 5.6-0.81-1.19 15.9+3.26+4.1 67.2+41.5-71.39 10.75+0.4-9.75 16.23+8.92-7.23 50-28.5-13.5 13.79-9.6+10.21 1.5+0.68-1.5 72.8-8.6+5.2 20.8-(15.8-3.9) 32.5+(5.5+6.13) 3.52-(4.66-3.52) 0.9+1.08+0.92+0.15.26+3.43+0.74 5.6+2.7+4.4 20.15

11、+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57 18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75 4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2 15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8-1.2 30.99-(8.5+15.99) 72.6-(22.6+3.45)36.06-(5+6.06) 5.85+1.89+2.15 24.8+14.6+15.4 5.851.750.25小數簡便計算練習七0.66+7.85+0.15 8.02

12、5+3.1+12.175+0.9 4.13-0.6-1.4 4.13-(4.13+1.4)8.07-3.27-0.73-1.07 6.45-(1.68+2.45) 9.15+4.8-9.15-4.8 5.23+10.9-5.23+10.12.23-(1.23+0.86) 6.72-3.28-1.72 0.45+6.37+4.55 27.3+73.2+72.73.94.16.15.9 147.322.68 25.48(9.40.52) 9.43-(6.28-1.57)23.65-(3.07+3.65) 15.6+2.7-14.6 14.7+1.98+0.02+5.3 74+2.7+2.3+261

13、46.5(2346.5) 36.541.764.54 3.070.381.62 324.90.95.38+7.85-5.38 24.8+14.6+15.4 5.851.750.25 5.85+1.89+2.15 67.34+21.56+2.66+8.44 0.74+19.18+9.26+0.82 6.02+3.6+1.98 15.75+3.590.59+14.25 5.6-4.34+7.34 85.7-(15.3-4.3) 9.5+8.13-6.13 25.4-(15.4+7.7) 3.61.283.4小數簡便計算練習八5.8+12.37+4.2+2.63 3.758.643.36 17.83

14、9.57.830.5 324.90.9 3.458.716.551.3 27.385.342.624.66 6.25.182.8 15-6.49+8.4915.35(5.357.2) 3.631.2517.378.75 40.02-13.5+0.98 8.5+7.6-8.5+2.4(2.6+1.3)-(0.6+1.3) 23.75-8.54-3.46 66.868.661.34 1.25+16.2-0.255.54+3.7+4.46+10.3 17.83-9.5-7.83-0.5 73.81.6413.85.36 3.72+3.56.28 13.75(3.756.48) 7.852.340.8

15、54.66 3.822.90.189.1 0.39+0.36+3.645.171.83.2 7.140.532.47 6.94.83.1 0.456.223.7815.89(6.755.89) 4.025.40.98 3.687.562.68 3.822.90.189.1 5.171.83.2 5.272.860.861.73 13.852.340.854.66 3.90.532.47小數簡便計算練習九4.02-3.5+0.98 5.17-1.8-3.2 13.7+0.98+0.02+4.3 0.38+0.36+2.645.26+3.43+0.74 1.29+3.7+0.71+6.3 3.9+

16、4.08+3.92+1.1 5.6+2.7+4.49.13+4.85-6.13 10.75+0.4-9.75 9.14-1.43-4.57 75+2.7+2.3+2551.27-8.66-1.34 3.6+8.59+6.4 25.8+7.5+2.5 7.3+2.5+5.7+17.59.6+6.7-9.6+3.3 2.11+0.25+0.89+0.75 8.15+1.99+3.01+0.85 3.17-2.9+1.8311.08+9.05+0.950.02 5.4+1.8-3.4-0.8 6.180.870.133.82 26.2-4.46-3.5435.64.83.6 73.83.96.1 1

17、5.02-6.8-1.02 36.81.6413.85.3666.868.661.34 324.16.15.9 37.61.815.67.2 54.90.925.4(9.40.52) 7.144.682.86 13.75(3.756.48) 9.42(1.26.42)小數簡便計算練習十37.8(7.82.9) 6.275.081.73 10.33(3.755.33) 9.42(1.26.472)3.7-1.56+4.3-2.44 9.66-4.25+0.34 4.36+14.8+5.64+5.2 38.2-7.09-20.6-2.311.2+2.5+1.8 0.5+1.5+1.5+0.5 5.

18、26+3.77+1.74 0.25+0.15+0.75+0.85 27.85-(7.85+3.4) 6.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48) 3.687.562.68 7.852.340.854.66 35.61.815.67.2 3.822.90.189.1 9.64.83.6 7.140.532.47 5.272.860.661.63 13.354.682.65 73.81.6413.85.3666.868.661.34 36.83.96.1 324.90.9 25.48(9.

19、40.52) 6.94.16.15.9 15.02-6.8-1.02 9.79-(4.94+3.79) 21.88+3.28+0.12+0.72小數簡便計算練習十一324.90.9 146.5(2346.5) 9.43-(6.28-1.57) 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.53.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.75 23.40.813.47.2 3.20.364.81.64 5.78+0.84+0.16 1.27+3.9+16.1 0.19+4.93+2.81 3.822.90.189.1 9.64.83.6 5.272.860.661.6313.354.682.65 5.52-0.55-0.45 3.1+(25.78+6.9) 34.79(15.1+4.79) 12.

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