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1、.1、直接写出得数 .0.452.50.8 1.250.3 3.60.3 0.3100.070.3 1.40.0570.92 0.40.2 0.260.14 40.02 0.11.2 0.30.2 0.48.21.810035.222.3 42.5 0.42.4 50.2243.25 00.90.523.99 103.5212.5 8810 =10-1.8-7.2=0.43+3.57=2.5 412=0.9 0.8=1.05 100=10.5=0.96 3=1.47 0.7=5.4 6=0.16.5 10=0.56 100=3.78100=40.8 =3.215 100=0.8 10=4.08
2、 100=1.1 0.2 =0.6 0.8 =30.9=2.5 0.4=3.6 0.4=12.5 8=500.04=800.3 =1.1 9=0.16 5 1.782.2 =9.6 0.6 =1.2 0.5-0.4 =0.7 0.01 =2.5 0.4 =123.9=1.25 81.25 =6.6 0.66 =3.92.032745673=0.3 0.3=7.22.80.9 0.01120.3=2.87 0.772.80.88.4 4.213.89.90.05 0.82.560.371.23 32、用竖式计算0.396 1.2=0.756 0.36=15.6 13=0.18 15=3.06 36=0.04 0.120.025 14=5.76 335.4 4.20.042 0.540.76 0.320.25 0.0462.52 3.4;.1.08 254.8 0.250.125 1.4（保留两位小数） 3.84 2.6 （保留一位小数）;.