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1、小五年级上册简便计算练习 请用简便方法计算下列各题 0.25 0.28 0.1253.2 2.5 3540.2 0.25 40.25 4 3.59.9 3.599+3.5 3.5 101-3.5 3.59.9+3.5 0.1 3.52.7+350.73 3.5 2.7-3.5 0.7 (32+5.6)0.8 3.50.6-0.5 0.6 4.9 3.5 70.25 4 70.125 8 7.35 (7.35 0.25) 7.35(7.35 0.25) 7.325-(5.325+1.7) 3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.5 7.325-3.
2、29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.290.25 4 0.1258.8 63.42.50.44.91.43.9 (1.35) (7.71.54) 0.72.52.42.745 0.351.2520.832.40.9 0.132.4150.25 28.610128.60.8615.7 0.8614.72.4102 147.322.68 2.648.677.36 11.33 2.311.20.5 (2.5 0.25 )0.49.161.50.59.16 3.6 3.60.5 7.60.8 0.27.60.851990.258. 54 0.2536 0.125 3.2 2.5 3540.2