小数乘除法口算题一1.540.180.38.51000.4971.2589.30.30.960.051.61.2544.21.40.870.740.90.31.230.60.32.524.7+2.32.544.210008.51.70.04253.8240.42.10.30.51.140.253.93.90.1340.450.153.21000.0960.037.20.90.450.570.080.80.50.4806.815.4103.60.11.20.3844.21.60.20.20.011.87060.121.80.51.470.410000.7560.24580.50.40.250.51000.20.50.32160.870
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