五年级简便计算题

1、用简便方法计算(1)姓名:月日25X86.2X45X86.2X0.436X15X236X1.5X0.245X10245X10.234X27+34X7334X2.7+34X7.386X99+8615.75+3.590.59+14.2513.75(3.75+6.48)1.25X8.80.456+6.22+3.7815.89+(6.755.89)4.02+5.4+0.985.17-1.8-3.23.68+7.562.687.85+2.34-0.85+4.6635.61.8-15.6-7.27.140.532.47用简便方法计算姓名:月日15.6 X13M 15.6 -15.6 X2.14.8 X7.

2、8 +78X0.5232 +4.9 0.93.82+2.9+0.18+9.19.6+4.8-3.66.9+4.8+3.14.2+3.55.27+2.86-0.66+1.6313.354.68+2.6573.8一1.6413.8一5.3647.87.45+8.80.398+0.36+3.648.6X99+8.6320+1.2566.86-8.66-1.340.25X16.2X4(1.25-0.125)X83.6X1023.72X3.5+6.28X3.536.83.9-6.1用简便方法计算(5)姓名:月日3.83 X4.56 +3.83 X 5.444.36 X 12.5 X83.65 X 10.

3、14.8X100.156.5X9.9+56.57.09X10.8-0.8X7.0925.48-(9.4-0.52)18.76X9.9+18.763.52+2.5+0.45.6+3.59.6+0.8+0.44.2X99+4.23.9-4.1+6.15.917.8+(1.78X4)0.49+1.41.25X2.5X3215.2+0.25+40.89X100.1146.5-(23+46.5)9.7X99+9.7用简便方法计算(7)姓名:月日2.3 X 16+2.3 X 23+2.39.43(6.28-1.57 )3.65 X4.7 36.5 X0.3727.5X3.7-7.5X3.78.54+2.5

4、+0.40.65X1018.9X1.013.2X0.25X12.5(45.9-32.7)+8+0.1253.14X0.68+31.4X0.0325.6+1.25+0.8+2.5+0.47.2X0.2+2.4X1.47.74X(2.8-1.3)+1.5X2.263.9X2.7+3.9X7.318-1.8+0.125+0.812.7X9.9+1.2721X(9.33.7)5.615.02-6.8-1.025.4X11-5.40.79X199用简便方法计算(9)姓名:月日3.25 +1.79 -0.59 +1.75 23.4 - 0.8 -13.4 -7.21.29+ 3.7 +2.71 +6.34

5、6X57+23X8613.7X0.25-3.7+42.22X9.9+6.66X6.7101X0.87-0.91X8710.7X16.1-15.1X10.75.93+0.19+2.814.8+8.63+5.2+0.371.76+0.195+3.246.02+3.6+1.980.32X4032.35+1.713+0.287+7.651.57+0.245+7.438-2.45-1.557.5+4.96.50.134+2.66+0.8661.27+3.9+0.73+16.13.070.381.62用简便方法计算(11)姓名:月日14-7.32 | -2.682.64+ 8.67 +7.36 +11.3

6、370 - 283.2+0.36+4.8+1.641.23+3.4-0.23+6.60.25X360.85X19912.7(3.7+0.84)36.541.76-4.540.25X0.73X40.25X8.5X47.6X0.8+0.2X7.61.28X8.6+0.72X8.612.5X0.96X0.84X0.35+9.6X3.50.8X(4.3X1.25)28.6X10128.60.86X15.7-0.86X14.72.4X1022.31X1.2X0.5用简便方法计算姓名:月日3.29+0.73+2.273.29-0.73-2.274.2 +3.5(2.5-0.25)X0.49.16X1.5-

7、0.5X9.163.6-3.6X0.563.4+2.5+0.44.9+1.43.9一(1.3X5)3.12+3.12X99(7.7+1.54)+0.72.5X2.42.74515+(0.15X0.4)0.35X1.25X2X0.832.4X0.9+0.1X32.415+0.254.5+1.8930+0.6+57.5+2.5-7.5+2.5用简便方法计算(19)姓名:月日0.85 X1990.25 X8.5 X41.28 X8.6 +0.72 X8.628.6 X 1017.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)3.29+0.73-2.2

8、9+2.273.29X0.25X40.125X8.80.25X0.2835X40.20.125X3.2X2.53.5X9.90.25X4-0.25X43.5X99+3.53.5X101-3.57+0.25-43.5X9.9+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+3.57.35+(7.35X0.25)7.35+(7.35+0.25)7+0.1250.25X363.07-0.38-1.621.29+3.7+2.71+6.382.451.553.25+1.79-0.59+1.7523.4-0.813.4

9、-7.20.32X4033.2+0.36+4.8+1.641.23+3.4-0.23+6.60.25X0.73X412.7(3.7+0.84)36.54-1.76-4.547.6X0.8+0.2X7.612.5X0.96X0.810.4-9.6X0.350.8X(4.3X1.25)3.12+3.12X992.4X10211.33(4.23+6.17)X0.80.86X15.7-0.86X14.7147.322.682.64+8.67+7.36+2.31X1.2X0.5(2.50.25)X0.49.16X1.50.5X9.163.63.6X0.54.5+1.863.4+2.5+0.4(7.7+1

10、.54)+0.70.35X1.25X2X0.84.2+3.54.9+1.42.5X2.4930+0.6+53.9+(1.3X5)32.4X0.9+0.1X32.42.74515+0.2570-2815+(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+2.57.325-3.29-3.3253.29+0.73-2.29+2.277.325-(5.325+1.7)3.29X0.25X47.325-(5.325-1.7)0.125X8.80.25X00.25X4+0.25X4X99+3.53.5X9.93.53.5X

11、101-3.5X0.733.5X9.9+3.5X0.13.5X2.7+353.5X2.7-3.5X0.7.6(32+5.6)+0.83.5+0.6-0.5-04.9+3.557+0.25-47+0.127.35+(7.35X0.25)7.35+(7.35+0.25)3.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.553.25+1.79-0.59+1.7523.4-0.813.4-7.20.32X4033.2+0.36+4.8+1.641.23+3.4-0.23+6.60.25X3612.7(3.7+0.84)36.54-1.764.540.25X0.73X47.

12、6X0.80.2X7.60.85X199十0.25X8.5X41.28X8.6+0.72X8.69.6X0.3512.5X0.96X0.810.40.8X(4.3X1.25)-28.63.12+3.12X9928.6X101(4123+6.17)X0.80.86 X15.7"一一"2.4 X 1020.86X14.714-7.32-2.682.64+8.67+7.36+11.332.31X1.2X0.53.6 -930 + 0.6 +53.9 + ( 1.3 X5)2.7 4515 + 0.2 54.25 +2.5 X9.9 + 0.17(2.50.25)X0.43.6X0

13、.54.5+1.863.4+2.5+0.4(7.7+1.54)+0.70.35X1.25X2X0.870-2813843-57-38498+3979.16X1.50.5X9.164.2+3.54.9+1.42.5X2.432.4X0.9+0.1X32.415+(0.15X0.4)50239963-45-55+137125X56302X99+ 302二、用简便方法计算。1、368+ 2649+ 13513、24 + 127+476+ 5735、327+ ( 96- 127)7、442 103-1429、67X5X211、72X12513、400+2515、103X2717、3600+25 + 4

14、19、( 25+12) X 421、56X99+ 5623、25X32X125(1) ( 78+ 61) + 39145X89+145X212、89+101+1114、4002731276、72X988>999+99+910、25X(78X4)12、9000+125+814、25X3616、76X10218、99X3520、56X27+27X4422、125X25X8X424、125X64(2)70082-18(3)348+163+242+410+537(4)125X47-47X25201X316(6)374205+226-95(7)3000-999(8)997X7+21(9)87X47

15、0+870X53(10)(55+55+55+55X5)X125(11)125X(8+40)X25(12)99+49X99( 13) 264X97+4X264( 14) 454+999X999+545( 15) 9999X36+6666X3X32( 16) 124X38+65X124+76X11076X7( 17) 62X4+44X5+5X18( 18) 340062X3438X2038X14( 19) 1992X19911991-1991X1990199038X4X25125X27X848X35X2X35458+251+749196-26-748400+25+4536-249-136813+569-21348+52X346X32+46X6894X99+94101X482-48216X29+16X48+16X2367X53-67X4315x1(9+10+8)(6