五年级上册小数简便运算以及解方程易错题练习.doc

解方程练习(A) 4x1248 5x424 101.5x25 (B) 13.543x126 6x3.1664.24x40.7325.08 5x4530(C)2（x2.6）8 8（x6.2）41.6（x3.1）61.2 （x1.7）31.4(D) 3.5x1.5x0.6 4x1.2x7.8X0.48x0.78 6x2.5x2.553x2x13.297.6 3xx-117(E)246x1.8 42.52x3.6 24X=3 3.62X=0.32(42X)=16 (4.8-2X) 2=0.4小数简便运算易错题精选0.2516.24 3.723.56.283.5 4.87.8780.52 3.6102 4.84.80.5 (1.250.125)84.8100.1 56.59.95.65 7.0910.80.87.09 4.23.5 3201.258 18.769.91.8763.522.50.4 0.491.4 1.252.532 3.6510.1 3.63.60.8 15.20.2544.2994.2 0.89100.1 17.8(1.784) (45.932.7)80.125 9.7999.7 4.3612.58 15.613.115.615.62.1 0.6510127.53.77.53.7 8.542.50.4 i贴吧 新浪微博 腾讯微博 QQ空间 人人网 豆瓣 MSN对我有帮助