1、整数简便运算199999+29999+3999+499+59+9 101+102+99+103+104+98+97+106+96+100 437-27-73 999989998998+98+9 562-156+56 756-（156+8） 1252532 3623+3677 3699+36 4723+4776+47 387+3114 2546+5027 9935 10312 10008125 100254 小数简便运算7.863.122.885.14 3.45.84.26.6 21.87.222.7845.266.766.753.866.7 9.129.1296.02 0.25320.125
2、2.51.2548（0.252.525）4 0.12536（40.5）36 10.76.86.80.7 25.254 21.66.72.321.621.6 10.197 997.4+7.4 0.3810.1 1.30.388+0.131.11 360001258 0.7540.254 0.759.90.075 1.263.712.60.620.126 0.3212.5 6.52.50.4 0.759.90.075 9.6+9.699 4.5360.80.125 9.7100.1 2.83.6+1.42.8 3.50.75.50.70.7 17.8(1.784) 15613115.615.62.
3、1 30080.125 3.63.60.8 6.310.1 60.481.20.481.2 0.250.80.1250.4 99.990.811.112.8 （0.252.525）4 0.12536（40.5）363140.0433.147.231.40.159.129.1296.02 9.161.530.05391.6 0.79990.65101简便运算练习题10.76.86.80.7 25.254 1.30.398+0.131.11 4.60.90.85199 451.585.515.8 4.26.513.494.2 10.138.673.8679.992.223.333.340.3615.70.3613.7 4.37994.378.63250.063250 3.990.1258 3.6510.1 (7.254)0.90.880.780.110.220.8 8032 4.810.1 7.0910.80.87.093.6102 1010.87-0.9187 0.258.54 12.50.960.80.250.734 4.3612.58 6.663.3+6.666.77.20.22.41.446572386 2.316+2.323+2.3
