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1、25X86.2X45X86.2X0.436152361,50.245X10245X10.234X27+34X7334X2.7+34X7.3IbCI86X99+8615.75+3.59-0.59+14.2513.75-(3.75+6.48)1.25X8.80.456+6.22+3.7815.89+(6.75-5.89)4.02+5.4+0.985.17-1.8-3.23.68+7.56-2.68姓名:月日用简便方法计算7.85+2.34-0.85+4.6635.6-1.8-15.6-7.27.14-0.53-2.47用简便方法计算5.27+2.86-0.66+1.6313.35-4.68+2.6
2、573.8-1.64-13.8-5.3647.8-7.45+8.80.398+0.363.648.699+8.63201.25866.86-8.66-1.34O.2516.24(1.25-0.125)83.61023.723.5+6.283.536.8-3.9-6.!15.613.1-15.6-15.62.14.87.8+780.5232+4.9-0.9用简便方法计算姓名:月日5.63.59.6+0.8+0.44.2X99+4.23.9-4.1+6.1-5.917.8(1.784)O.491.41.252.53215.20.25+4O.89100.1146.5-(23+46.5)9.7X99+
3、9.73.83X4.56+3.83X5.444.36X12.583.6510.1用简便方法计算5.61.250.82,50.47.20.2+2.4I.47.74(2.8-1.3)+1.52.2612.79.9+1.273.92.7+3.97.3181.80.I250.821(9.3-3.7)-5.615.02-6.81.025.4X11-5.4O.791992.3X16+2.3X23+2.39.43-(6.28-1.57)3.654.7-36.50.37用简便方法计算姓名:4.8+8.63+5.2+0.371. 76+0.195+3.246.02+3.6+1.98O.32X4032. 35+1
4、.713+0.287+7.651.57+0.245+7.438-2.45-1.557.5+4.9-6.5O.134+2.660.8661.27+3.9+0.73+16.13. 07-0.38-1.623.25+1.79-0.59+1.7523.4-0.8-13.4-7.21.29+3.7+2.71+6.3用简便方法计算(6)姓名:7.60.8+0.27.61.288.6+0.728.612.50.960.840.35+9.63.50.8(4.31.25)28.6X101-28.6O.8615.7-0.8614.72.41022.311.20.514-7.32-2.682.64+8.67+7.3
5、611.337028用简便方法计算姓占月日(2.5-0.25)X0.49.161.5-0.5X9.163.6-3.6X0.563.4+2.5+0.44.91.43.9(1.3X5)3.12+3.12X99O.351.2520.832.40.9+0.132.4150.254.51.89300.657.5+2.5-7.5+2.53.29+0.73+2.273.29-0.73-2.274.23.5用简便方法计算(8)姓名:月日7.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)O.2540.2543.5X99+3.53.5101-3.570.2543.
6、59.9+3.5O.13.52.7350.733.52.73.5O.7(32+5.6)0.83.50.6-0.5O.64.9+3.5用简便方法计算(9)姓名:7.35(7.35X0.25)7.35(7.350.25)70.1250.25X363.2+0.36+4.8+1.611.23+3.4-0.23+6.60.250.73412.7-(3.7+0.84)36.54-1.76-4.547.60.8+0.27.60.85199O.258.541.288.6+0.728.628.6101用简便方法计算(10)姓名:月日12.5X0.96X0.810.4-9.6X0.350.8(4.3X1.25)3
7、.12+3.12X99(4.23+6.17)XO.80.86X15.7-0.86X14.72.4X10211.332.64+8.67+7.36+14-7.32-2.682.311.20.5(2.5-0.25)0.43.6X0.563.4+2.5+0.4(7.7+1,54)0.7O.351.2520.870283.29+0.73+2.277.325-3.29-3.3253.29+0.73-2.29+2.27O.25O.284.9+1.43.9+(1.35)2.52.42.74532.40.9+0.132.4150.25150.4)4.252.59.9+0.17O.2540.25499+3.53.
8、5101-3.50.733.52.7-3.5O.7.64.93.553.29-0.73-2.277.325-(5.325+1.7)3.290.254O.1253.22.53.59.93.59.9+3.5O.1(325.6)0.870.2547.5+2.5-7.52.57.325-(5.325-1.7)O.1258.83540.23.53.52.7+353.50.6-0.5070.127.35(7.350.25)7.35(7.35O.25)2.4X1020.32X4030.25X360.25X0.73X4+0.258.5410.4-28.6X1010.86X15.72. 311.20.53. 6
9、-9300.653.9(1.3X5)2.745150.253. 25+1.79-0.59+1.753.2+0.36+4.81.6412.7-(3.7+0.84)7.60.80.27.61.288.6+0.728.69.60.350.84.31.25)-28.64.23+6.17O.8614.714-7.32-2.68(2.5-O.25)0.43.60.54.51.863.42.50.4(7.7I.54)0.7O.351.2520.87028138-43-57-38498+397125X56302X99+302二、用简便方法计算。23.4-0.8-13.4-7.21.23+3.4-0.23+6.
10、636.54-1.76-4.540.85X19912.5X0.96X0.83.12+3.12X99)0.82.64+8.67+7.36+11.339.161.5-0.5X9.164.23.54.91.42.5X2.432.40.9+0.1X32.415(0.15X0.4)502-39963-45-55+137145X89+145X21k368+2649+13513、24+127+476+5735、327+(96-127)7、442-103-1429、6752Ik7212513、4002515、1032717、360025419、(25+12)X421、56X99+5623、25321252、8
11、9+101+1114、400-273-1276,72X988、999+99+910、25(784)12、9000125814、253616、7610218、993520、5627+27X4422、125258424、12564(1)78+61)+392)700-82-18(3)348+163+242+410+537(4)12547-4725(5)2013166)374-205+226-95(7)3000-999(8)9977+219)87470+87053(10)(55+55+55+555)125(U)125(8+40)25(12)99+4999(13)264X97+4X264(14)454+
12、999999+545(15)9999X36+6666X3X32(16)12438+65124+76110-767(18) 3400-62X34-38X20-38XM(19) 199219911991-19911990199038X4X25125X27X8458+251+749536-249-1364632+4668196-26-74813+569-2139499+944835235840025+448+52X3101X482-4821629+1648+16236753-674315(9+10+8)(6+8)25第三能元简便计算姓名:学号:班级:小测题二(简便运算二拆数凑整)56X12548X2599X28101X59102X4314424320-198小测题三(加减法或乘除法运算的简便运鸵)