小学五年级数学下册：口算练习.DOC

精品教学资料，欢迎使用。精品教学资料，欢迎使用。精品教学资料，欢迎使用。7.22.8= 78100 0150 320.4 1300300=2.6100 15015 320.4 260010032.88 1.644 30060 18700=40080 644 36020 4207094 54090 742 3604027030 54060= 5719 707040050 35070 81090 43056.61.1 7.64 1.540.22 4800200=1.890.63 3600180= 1283.2 1105532.841 7500.5= 4.320.8 9601220040 42030 14271 56080600.02 66030 4800.8 7240.6321 6400800= 0.0520 511.74816 7035 9.22.3 2.70.31.50.4 280.03 0.3819 0.683.4402 65013 98014 680347204 80016 7200.5= 230466000.03 16040 0.2330 501.2330030= 9600300= 4000500= 2500500=1.4300= 0.26200= 0.5090= 56070=1500300= 0.05200= 72009= 0.1820=4.50250= 8.44.2= 81.5 4.80.3=3.41.4= 7.827.2= 2.199.1=10.10.89= 0.680.42= 8.15.1=0.7280.24= 0.80.18= 0.890.25=10.98= 0.0480.52= 5400=19.9 11.1= 1871000= 1 3.89=0.08110= 7510= 0.960.8=0.87 1.57 1.3280.78 10.32 50.60.90.3 3.50.2 2.010100.05 0.137 0.211000.74 0.054 40.312.58 2.34 3.2500.450 300.1 2.634.12 0.350.2 7.50.110.08 3.50.01 1.250.2509.8 3.90.39 4.85.20.50.4 40.25 348.19 2.54 60.0253.66.3 0.054 3.5003.5 0.90.3 10.0690.5 1.258 2.634.12 0.350.2 7.50.10.90.3 10.06 90.51.258 0.20.4 8.21.810035.22 2.50.4 2.450.224 0.90.52 3.99103.52 2.55 8.470.3417 2.50.5 8.40.70.340.17 30.44 1.260.720.6 2.61.3 0.60.303.65 7.821 0.0010.11.40.7 3.60.06 5.60.95.61.4 0.480.8 4.40.114.23 3.20.4 0.30.0140.5 5.10.17 0.281.40.90.45 9.616 10.01 0.011 7.51.5 0.81930.5 1025 4.80.1603.89 3.5212.546.44 1.50.3 10.410