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1、小数乘法的简便计算,RJ 五年级上册,1小数乘法,1用简便方法计算。8.8812.5,812.50.812.50.0812.5100101111,6.5934.565.56.59,6.59(34.565.5)6.59100659,0.9910.1 73.410173.4,73.4(1011)73.41007340,0.99100.990.19.90.0999.999,3.26993.26 44.42.5,402.542.50.42.5100101111,3.26(991)3.26100326,2用简便方法计算。12.53.20.25 6.42.51.25,(0.42.5)(81.25)2110
2、220,(12.50.8)(40.25)10110,0.1259.628096.2 2.54.4,(0.1258)(9.6210)96.2196.296.20,2.541.1101.111,3用简便方法计算。66.6922.223 1.256.170.12518.3,1.256.171.251.831.25(6.171.83)1.25810,11.15411.14611.1(5446)11.11001110,99.910.199.999,10010.110099.90.110.1199.9100(10.199.9)1.0199.9100110100.9111000100.9110899.09,3.20.450.324.20.03213,3.20.453.20.423.20.133.2(0.450.420.13)3.213.2,5.57.7330.555.5,5.57.73.35.55.515.5(7.73.31)5.51055,9.992223.333333.33,3.336663.333333.3313.33(6663331)3.3310003330,Thank you!,
