1、五年级上册数学简便运算0.250.28 0.1253.22.5 3540.20.2540.254 3.59.9 3.599+3.53.5101-3.5 3.59.9+3.50.13.52.7+350.73 3.52.7-3.50.7 (32+5.6)0.8 3.50.6-0.50.64.93.5 70.254 70.125 87.35(7.350.25) 7.35(7.350.25) 7.325-(5.325+1.7)3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.
2、325-1.7)3.29+0.73-2.29+2.27 3.290.254 0.1258.863.42.50.4 4.91.4 3.9（1.35 ）（7.7 1.54 ）0.7 2.52.4 2.7450.351.2520.8 32.40.90.1 32.4 150.2528.610128.6 0.8615.7 0.8614.7 2.410214 7.322.68 2.648.67 7.36 11.33 2.311.20.5（2.5 0.25 ）0.4 9.161.50.5 9.16 3.63.60.57.60.80.27.6 0.85199 0.258.540.2536 0.1253.22.5 3540.2
