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1、小数乘除法计算题85.44 T642.84 勺101.7 电67.5 T5230.4 毋5.346.1211.34.538.421.24 360.736 2343.5 T235.21 司39.6 -240.590.0323.6255.031.656.21 -0.03210+1.451.3 -0.2791.2 380.756 书.18207150190244.20.66 -0.311.97 T.569.6 -2.938.4 0.815 H.062.27.982.4482505.6 2.93.77 M.80.02 965.22 0.39.99 0.0216.246.7861.921.5660.19
2、984.67 0.95X2.441.666 6.19.432 0.0025.6 )6.54.20312.210.16260.01886436.44.88 2.95.61 4.38.9 2.45.5 559.77 0.0214.15224.12321.36302.50.19541.384 5.18.78 832.6 610.059 0.24.268 M.77.0584728.74158.60.01187.255657X5.79.46 2.8517.8 6.41.5 4.92.5 0.88324.926.961113.927.352.25.555 5.22.22 3.337.658 8536.02
3、 0.356.78 828.8867.3926650.9310.806454.24(循环小数的用简便方法,除不尽保留 2位小数):8.2 -0.120.8 t.976.4 44.7 -31.25 T.268.330.8914.151.571.04324214.36 278.33 -6.21.7 -0.032.41 -0.70.765.321.3456.673.44用竖式计算0.396 T.2=0.756 -0.36=15.6 M3=0.18 M5=0.332.1202.82.70.025 X4=3.06 刈6=0.04 0.12 =3.84 X 2.6 弋0.35110.160.00489.9
4、845.76 3 =7.15 2290.75 3.33.68 0.2517.28157.327.50.9216.9 -0.131.55 -3.93.7 )0.01613.76 0.8=1300.3970.059211.0085.2 0.68.4 M.36.4 )0.54.48 0.43.1210.923.21.7925.25 535.4 M.20.042 0.540.76 0.3226.25148.680.022680.24320.25 0.0462.52 3.41.08 250.12 0.5 0.16 =0.01158.568270.00964.8 0.25 =0.125 M.4弋(保留两位
5、小数)1.20.182.5 67=(保留三位小数)3.57110.75 T2.5=(用乘法验算)0.863、脱式计算(能简算的要简算)10.1 3.3=(商用循环小数)3.06060606.3.25 9.04=(用除法验算)29.382.5 7.1 M717.28 99+7.2872816.12 99 + 16.1216124.3 50X0.2435.2 0.9+ 0.95.58 64-2.64 0.562.6826X15.7+15.7 24(2.275 +0.625) 0.283.94+34.3 处.27851.2 *9.6 2.4) 4.8 18.05 刈.4+7.634.9732 + 4
6、.9-0.9364.8 100.1480.484.85 + 0.351乂0.8128.9 M.1 M.746.0136.58 4.5 0.926.6494.8-4.8 )0.52.456.5 99 + 56.556508.7 M7.4 - 8.77.410.82.7 5.4 3.93.6 9.85-5.4656.862302.8 )0.5+1.582.98 (1.25-0.125) 897.09 10.8-0.8 7.0970.912.5 0.4 2.5 85.10.87 3.16+4.647.389240.5 -0.810.1896.81+6.81 溜9871009.5 1010.68 气
7、5.2 -3.5) 乂 1.25959.50.54.8 X(15 -2.4)300.25 185X404.4 0.8 3.4 0.868118500.8(9.37+9.37+9.37+9.37)2. 593.72.37 6.3+2.37 居.723.72.5 M.25 0.32 13.8 M0.138.38 (8 5.27) %2552.73.8 M0.138.380.25 39+0.25106.81+6.81 )996812.5 *3.8 0.04)7.69 M010.38776.690.125 7246X0.33+54 0.339330.25 M85W018506.8 0.75 -0.53.75 -0.125 -2.7510.227.259.5 9913.5 0.981.53+23.4 7.24,7812.5 8.8940.513.23110