五年级小数乘法与加法简便计算.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date五年级小数乘法与加法简便计算简便计算0.2516.24 0.12564 1.253.225 12.54.8 0.252.60.4 2.5204 3.2125 0.79199 0.68101 1.012.6 3.89.9 3.6102 4.8100.1 7.69101 3.265.73.260.7 3.425.74.33.42 8.75118.75 55.69955.6

2、 3.723.56.283.5 56.59.956.5 7.0910.80.87.09 28.610128.6 3.723.56.283.5 15.613.115.615.62.1 460.33+540.33 10.716.1-15.110.7 9.161.5-0.59.16 2.316+2.323+2.3 4.87.8780.52 4.87.8780.52(1.250.125)8 （125-40）0.8 （2.5-0.25）0.4 18.769.9+1.87656.59.9+5.65 4.87.8+780.52 3.140.68+31.40.032 1010.87-0.9187 3.654.

3、7-36.50.37 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5 3.25+1.79-0.59+1.75 3.07-0.38-1.62 1.29+3.7+2.71+6.3 0.4566.223.78 15.89(6.755.89) 8-2.45-1.55 6.94.83.1 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 9.64.83.6 3.822.90.189.1 47.87.45+8.8 73.81.6413.85.36 7.140.532.47 5.272.860.661.63 13.354.682.65 0.398+0.36+3.64 324.90.915.75+3.590.59+14.25 66.868.661.34 36.83.96.1 9.43-（6.28-1.57） 19.625(4.3799.625) 4.025.40.98 5.171.83.2 13.75(3.756.48)-