五年级小数混合运算简便运算.doc

1.311.6+1.61.3 0.921.41+0.928.599999+999+99+94821-9981.25883.60.257.60.253.50.1251.899+1.8102874567-3456+1456-15671234512346-123441234312.06+5.07+2.9430.34+9.76-10.34933-15.7+74.341.06-19.72-20.2870014518.62.50.41.960.50.41.062.5419.68-(2.97+9.68)1.25(80.5)0.25(412)1.25(2130.8)493.570.25470.12587.35(73.50.25)7.35(7.350.25)7.325-(5.325+1.7)3.29+0.73+0.273.29-0.73-2.277.325-(5.325+1.7)7.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)0.250.280.1253.22.53540.20.2540.2543.59.93.599+3.53.5101-3.53.59.9+3.50.13.52.7+350.7328.6101-28.60.8615.7-0.8614.72.410214-7.32-2.682.64+8.67-0.59.163.6-3.60.57.60.8+0.27.60.851990.258.540.25360.1253.22.53540.23.29+0.73-2.29+2.273.290.2540.1258.863.42.50.44.91.43.9(1.35)(7.7+1.54)0.72.52.42.7450.351.2520.832.40.9+0.132.41.50.25