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1、如有侵权,请联系网站删除,仅供学习与交流小学六年级数学四则运算简便运算500题(无重复)95930【精品文档】第 5 页小学数学四则运算简便运算大汇总简便运算4+3.25+6.8 25(80.4)1.25 7(2) (+)72 93.53 1125997 998+1246+9989 (870087087)871258.8 1.34.253.73.75 17.15(3.52.85)3.4993.4 4.81.01 0.4(2.573) (1.61.61.61.6)25 () 12.32.455.74.55 2 0.1250.256464.2870.6421300 78367.87417 1780
2、.1250.5 2.42+4.5843 251004.253(21) 3.83.93.90.10.13.9 12.1(+)105-(+ ) - 41( + ) -(- ) + + 1 - - + 4 5 -( + )4-(2.5+1.9)(0.5-0.5) 4-2.5+1.9(0.5-0.5) 4-2.5+1.90.5-0.5 4-(2.5+1.90.5)-0.54-(2.5+1.9) (0.5-0.5) 4-(2.5+1.9) 0.5-0.512-4-2-5-12.5% 0.125+8.25+12.5%(+) 2.50.4215-2.25-7 +(-)10(-0.5) (2.7-4.25)2
3、.81.25+17.4+125% 10-4.687.2+0.05 1(5-5) 18.09(1.5+2)3.75-0.840.3(1.9618.9) -(0.15+) 1.81325+5401815 2.58+9.5+40.125 2.1+7(3-1.625) 12.5-2.1+9.63 (7+72+7)43.8+1+6.2+3(4-3.5) (2+-1)122.58+3.5+0.125(9.5+9+9+9.5) 12 3-(1+1)1(0.05+)0.25-125% 5.350.25+2.65(3+-2)(180%) (4.20.7+6) 0.832.512.5 7.69.90.018.32
4、0.58-0.320.581.255+0.252010.69-2.52.40.32.50.048.457+8.442+8.4130.6527.210.1-7.21.22.5+2.82.5320.653.23.51525(4+)60(+-)0.35+0.650.2537.5%+25%+25%0.350.654+5-521000()15932()(3) (+)28 +3 + 11 ()12.065.072.94 30.349.7610.34 33 2574 3441.7 1.250.8 17+7 141.0619.7220.28 73+ 8+2 11+7+3700145 18.62.50.4 13
5、 295.68(5.394.32) 19.68(2.979.68) 7+() 5()1.25(80.5) 0.25(41.2) 1.25(2130.8) 0.74(71)24(-) (12+) 7 (7-) 9.3(4)0.921.410.928.59 - 1.311.61.61.3 11.618.49999+999+99+9 4821-998 3.212.525 1.2588 7.60.25 3.50.125 3.89.90.38 103-2- (138)125 37002185815 20(175) 4725314205 25(4032) (57)80 49258141256 162554 259468741532 234540735 25645 25(64) (86)1251027.35.1 3.60.25 2.69.9 1.062.54