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1、4.025.40.985.171.83.213.75(3.756.48)用簡(jiǎn)便方法計(jì)算25X86.2X45X86.2X0.436X15X236X1.5X0.245X10245X10.234X27+34X7334X2.7+34X7.386X99+868.6X99+8.6125X881.25X8.86.94.83.10.4566.223.7815.89(6.755.89)3.687.562.687.852.340.854.6635.61.815.67.23.687.562.687.852.340.854.6635.61.815.67.23.822.90.189.19.64.83.67.140.53

2、2.475.272.860.661.6313.354.682.6573.81.6413.85.3647.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.2566.868.661.340.25x16.2x4(1.250.125)x83.6x1023.72x3.56.28x3.536.83.96.115.6x13.115.615.6x2.14.8x7.878x0.52324.90.94.8x100.156.5x9.9+56.57.09x10.80.8x7.0925.48(9.40.52)4.2-3.5320-1.25-818.76x9.9+18.763.52-2

3、.5-0.43.94.1+6.15.95.6-3.59.6-0.8-0.44.2x99+4.217.8-(1.78x4)0.49-1.41.25x2.5x323.65x10.115.2-0.25-40.89x100.1146.5(23+46.5)4.8x100.156.5x9.9+56.57.09x10.80.8x7.094.8x100.156.5x9.9+56.57.09x10.80.8x7.093.83x4.56+3.83x5.444.36x12.5x89.7x99+9.727.5x3.77.5x3.78.54-2.5-0.40.65x1013.2x0.25x12.5(45.9-32.7)

4、-8-0.1253.14x0.68+31.4x0.0325.6-1.25-0.8-2.5-0.4(45.9-32.7)-8-0.1253.14x0.68+31.4x0.0325.6-1.25-0.8-2.5-0.47.2x0.2+2.4x1.48.9x1.017.74x(2.8-1.3)+1.5x2.263.9x2.7+3.9x7.318-1.8-0.125-0.812.7x9.9+1.2721x(9.3-3.7)-5.615.02-6.8-1.025.4x11-5.42.3x16+2.3x23+2.39.43-(6.28-1.57)3.65x4.7-36.5x0.3746x57+23x861

5、3.7x0.25-3.7-42.22x9.9+6.66x6.7101x0.87-0.91x8710.7x16.1-15.1x10.70.79x1994.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.982.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.54.96.53.070.381.621.293.72.716.382.451.553.25

6、1.790.591.7523.40.813.47.20.32x4033.20.364.81.641.233.40.236.60.25x3612.7（3.70.84）36.541.764.540.25x0.73x47.6x0.80.2x7.60.85x1990.25x8.5x41.28x8.6+0.72x8.612.5x0.96x0.810.49.6x0.350.35x1.25x2x0.832.4x0.9+0.1x32.415-0.251.28x8.6+0.72x8.612.5x0.96x0.810.49.6x0.350.35x1.25x2x0.832.4x0.9+0.1x32.415-0.25

7、0.8x(4.3x1.25)3.12+3.12x9928.6x10128.60.86x15.70.86x14.72.4x1022.31x1.2x0.5147.322.682.64+8.67+7.36+11.3370-282.50.25)x0.49.16x1.50.5x9.163.63.6x0.563.4-2.5-0.44.9-1.43.9-(1.3x5)7.7+1.54)-0.72.5x2.42.7-4515-(0.15x0.4)4.5F1.84.2F3.5930F0.6F53.29+0.73+2.273.29-0.73-2.273.5x2.7-3.5x0.7(32+5.6)-0.83.5-0

8、.6-0.5-0.67.5+2.5-7.5+2.57.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)3.29+0.73-2.29+2.273.29x0.25x40.125x8.80.25x0.280.125x3.2x2.535x40.20.25x4-0.25x43.5x9.93.5x99+3.53.5x101-3.53.5x9.9+3.5x0.13.5x2.7+35x0.734.9-3.57-0.25-47-0.1257.35-(7.35x0.25)7.35-(7.35-0.25)0.8x(4.3x1.25)3.123.12x9928.6x10

9、128.67.35-(7.35x0.25)7.35-(7.35-0.25)0.8x(4.3x1.25)3.123.12x9928.6x10128.63.070.381.621.293.72.716.382.451.553.251.790.591.7523.40.813.47.20.32x4033.20.364.81.641.233.40.236.60.25x3612.7(3.70.84)36.541.764.540.25x0.73x47.6x0.80.2x7.60.85x1990.25x8.5x41.28x8.60.72x8.612.5x0.96x0.810.49.6x0.35(4.23+6.

10、17)x0.80.86x15.70.86x14.72.4x1022.31x1.2x0.570-2815-(0.15x0.4)4.25-2.5x9.9+0.173.29+0.73+2.273.29-0.73-2.277.5+2.5-7.5+2.5147.322.682.64+8.67+7.36+11.332.50.25)x0.49.16x1.50.5x9.163.63.6x0.54.5-1.84.2-3.5930-0.6-563.4-2.5-0.44.9-1.43.9-(1.3x5)7.7+1.54)-0.72.5x2.42.7-450.35x1.25x2x0.832.4x0.9+0.1x32.

11、415-0.257.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)7.35*(7.35x0.25)7.35*(7.35*0.25)3.070.381.621.293.72.716.382.451.557.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)7.35*(7.35x0.25)7.35*(7.35*0.25)3.070.381.621.293.72.716.382.451.553.29+0.73-2.29+2.273.29x0.25x40.125x8.80.25x0.280.125x3.2x

12、2.535x40.20.25x4*0.25x43.5x9.93.5x99+3.53.5x101-3.53.5x9.9+3.5x0.13.5x2.7+35x0.733.5x2.7-3.5x0.7(32+5.6)*0.83.5*0.6-0.5*0.64.9*3.57*0.25*47*0.1253.251.790.591.7523.40.813.47.20.32x4034.236.17）x0.80.86x15.70.86x14.72.4x102147.322.682.648.677.3611.332.31x1.2x0.53.251.790.591.7523.40.813.47.20.32x4034.

13、236.17）x0.80.86x15.70.86x14.72.4x102147.322.682.648.677.3611.332.31x1.2x0.53.20.364.81.641.233.40.236.60.25x3612.7（3.70.84）36.541.764.540.25x0.73x47.6x0.80.2x7.60.85x1990.25x8.5x41.28x8.60.72x8.612.5x0.96x0.810.49.6x0.350.8x（4.3x1.25）3.123.12x9928.6x10128.6(2.50.25)x0.49.16x1.50.5x9.163.63.6x0.54.5-

14、1.84.2-3.5930-0.6-563.4-2.5-0.44.9-1.43.9-(1.3x5)(7.71.54)-0.72.5x2.42.7-450.35x1.25x2x0.832.4x0.90.1x32.415-0.2570-2815-(0.15x0.4)4.25-2.5x9.90.17138435738498397502399634555137125x56302x99302145x89145x21二、用簡(jiǎn)便方法計(jì)算。1、368264913512、891011113、241274765734、4002731275、327(96127)6、72x987、4421031428、9999999

15、、67x5x210、25x(78x4)11、72x12512、9000-125-813、400-2514、25x3615、103x2716、76x10217、3600-25-418、99x3519、(2512)x420、56x2727x4421、56x995622、125x25x8x423、25x32x12524、125x641)(7861)39(2)7008218(3)3481632424105374)125x4747x25(5)201x316(6)374205226957)3000999(8)997x721(9)87x470870 x53(10)(55+55+55+55x5)x125(11

16、)125x(8+40)x25(12)99+49x99264x97+4x264454+999x999+5459999x36+6666x3x32124x38+65x124+76x11076x762x4+44x5+5x18340062x3438x2038x14(19)1992X19911991-1991X1990199038x4x25125x27x848x35x2x35437-（137+59）252-（63-48）357+（132-57）458+251+749196-26-748400-25-4536-249-136813+569-21348+52x346x32+46x6894x99+94101x482-48238x4x25125x27x848x35x2x35437-（137+59）252-（63-48）357+（132-57）38x4x25125x27x848x35x2x35437-（137+59）252-（63-48）357+（132-57）16x29+16x48+16x2367x53-67x433

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