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。 8.8812.5,812.50.812.50.0812.5 100101 111,6.5934.565.56.59,6.59(34.565.5) 6.59100 659,0.9910.1 73.410173.4,73.4(1011) 73.4100 7340,0.99100.990.1 9.90.099 9.999,3.26993.26 44.42.5,402.542.50.42.5 100101 111,3.26(991) 3.26100 326,2用简便方法计算。 12.53.20.25 6.42.51.25,(0.42.5)(81.25)2 1102 20,(12.50.8)(40.25) 101 10,0.1259.628096.2 2.54.4,(0.1258)(9.6210)96.2 196.296.2 0,2.541.1 101.1 11,3用简便方法计算。 66.6922.223 1.256.170.12518.3,1.256.171.251.83 1.25(6.171.83) 1.258 10,11.15411.146 11.1(5446) 11.1100 1110,99.910.199.999,10010.110099.90.110.1199.9 100(10.199.9)1.0199.9 100110100.91 11000100.91 10899.09,3.20.450.324.20.03213,3.20.453.20.423.20.13 3.2(0.450.420.13) 3.21 3.2,5.57.7330.555.5,5.57.73.35.55.51 5.5(7.73.31) 5.510 55,9.992223.333333.33,3.336663.333333.331 3.33(6663331) 3.331000 3330,Thank you!,