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1、如有侵权,请联系网站删除,仅供学习与交流五年级奥数专题简便运算【精品文档】第 2 页(1)(4.87.58.1)(2.42.52.7) (2)0.1250.250.564(3)3.754.862.50.48(4)1.561.70.441.70.7(5)11.727.85(2.260.46)(6)0.10.30.50.70.970.99(7)5.517.36.75.5 (8)13.70.258(9)32.85.67.2 (10)4.62.540(11)12.5338 (12)500.470.2(13)1017.7 (14)10.154(15)42.62.777.23 (16)16.416.40.
2、5(17)2.184.657.824.35 (18)12.482.723.28(19)(2502.5)4 (20)470.535(21)(1251.25)8 (22)77510.99.1225(23)(0.450.061.5)0.15 (24)2.75542. 6554(25)1.258.8 (26)0.8910.1(27)255.2640 (28)0.1253225(29)0.360.50.360.40.360.1(30)0.3813.41.624.6(31)0.1257880 (32)9.11.19.10.1(33)0.125322558 (34)71.78531.785(35)5.251
3、53.7515 (36)18.41.718.48.3(37)7.65.37.63.77.6 (38)45.6387.638(39)9999222233333334 (40)2999+999999(41)88.88.7+11.29.911.21.2(42)22.058.220.054.520.053.7(43)197237+197.21.998670.38(44)0.52513.125485.851.01(45)4.830.59+0.411.590.3245.9(46)2.19+6.48+0.511.385.480.62(47) (1+0.12+0.23)(0.12+0.23+0.34)(1+0.12+0.23+0.34)(0.12+0.23)(48)99998+111128(49)7713+255999+510(50)5346+7154+8254