小学五年级数学计算题(巧算与速算)

1、数学计算题 、简便计算题 12.3 X4X 0.25 85X 10.1 103X 0.25 35- 125 34.5X 0.03+34.5 X 0.97 8X 4.3 X 12.5 2.5X 102 4.2 - 28 (9.6+3.2) - 0.8 0.125X16 3.2X 5.6 11.4 5.74X 995.74 4.753.25X 2.47.6 3.8 X 1.4 + 18.2 - 0.7 4.8X 0.25 4.7X 10.2 7.63X 99+7.63 6.73+2.56+ 1.44+ 3.27 2.37X 2.5 X 4 1.5 X 102 12.96(9.6 1.52) I.

2、2 - 0.25 + 1.3 X 4 (4.8 + 6.4 ) - 8 40.5 - 0.81 X 1.05 (203.4 + 72.2 ) -( 1.3 X 0.2 ) 97.5 - 0.39 136.7 86.4 - 0.24 X 0.25 II. 16 -(10 0.7 ) (300- 94.8 ) - 0.5 12.6 - 3.5 ( 9.8 8.7 ) 0.648 - (0.4 + 0.5 ) X 0.6 89X 1.1 X 4.7 2.7 X5.4 X 3.9 3.6 X9.85-5.46 8.05X 3.4+7.6 6.58X 4.5X 0.9 2.8 X0.5+1.58 8X

3、5.2+3.8 X 3.8+3.8 (6.7+6.7+6.7+6.7) X 2.5 9.8 X25X 4 2400-16-0.532X 0.25 X 0.125 2.8 X 3.2 + 3.2 X 7.2 3.76 X 0.25 0.49 0.25X4.78X 4 0.65X201 1.2X 2.5+0.8 X2.5 2.5X 7.1X4 16.12X99+16.12 5.2X 0.9+0.9 4.3X 50X 0.2 642.64X 0.5 26X 15.7+15.7 X24 (2.275 +0.625) X 0.28 3.94+34.3 X 0.2 1.2 X (9.6 - 2.4) -

4、4.8 8.9X 1.1 X4.7 2.7X 5.4X3.9 3.6X 9.85-5.46 8.05X3.4+7.6 6.58X4.5 X0.9 2.8X 0.5+1.58 32+ 4.9 0.9 7.4 0.15X 2.8 0.008+0.92 X 51.28 7.8 -(1.3 X 4) 7.2 X0.9 +0.01 X 7.2 8.6 X10.1 5.6 X (12.5 8.5 - 0.85) (8.1 5.6) X0.91 X 0.4 8.25X 4.08+0.75 X4.08+4.08 4.32+5.43+6.68 15.176.8 3.2 12.75 (2.75 +6.8) 1.2

5、7+3.9+0.73+16.1 12.84.95.1 6.75 ( 0.9+3.75) 1.34 + 1.8 + 3.66 + 0.2 0.96 0.28 + 0.04 0.72 12.78-(4.97+2.78) 31.70.5X 0.71.65 35.72- 4.9-(5.72+5.1 ) 1113.67X 2.83.67X7.2 12.5 X 6.3+27 X 1.25+0.125 - 0.01 4.84.8X0.53.1+25.78+6.9 (1.25 0.125) X 815.25+4.72+4.75+5.28 4.8X 100.1 56.5 X9956.5 34.82(4.82+1

6、5.2) 7.28+0.94+2.72+0.06 3.8X 10.124- :5.4+(0.63+1.29 - 0.23) 2.5X (3.8 X0.04)2.18+4.65+7.82+5.35+12.5 7.09X10.80.8X7.09 7.84+0.73 0.84 4.85 + 0.35- 1.4 6.3 X 99+6.3 8.7 X17.4 - 8.7 X7.4 15.7 4.35.7 12.5X0.4X2.5 X8 1.6+0.4 1.6+0.4 0.87X3.16+4.64 62.8 - 2.5 - 0.4 7.3 X 99 9.5X 101 0.68 -(5.2 -3.5 ) X

7、 1.25 (1.25+2.5) X 8 40.5 - 0.81 X 0.18 9.42X1094.2X 0.9 4.8 X( 15 - 2.4 ) 1.8X2.48+1.52 X1.8-0.5 213. X 0. X 8257 8.76+0.4 X3.6X 2.5+1.24 6.81+6.81 X99 0.25X185X40 6.5X(10-3.7)+2.98 4.75+8.4 - (9.2-6.8) X 40 4.4X0.83.4X0.8 19.8-0.6 X 0.6-0.64 0.125X7.9X16 (9.37+9 37+937+937)X 2 42. X 1. 1. X 1.75 2

8、.48X(7.3-5.8)+1.5 X7.52 2.37X6.3+2.37 X3.7 2.5X 1.25X0.32 12.773- 4.5 X (0.75-0.356)+9.23 (6.4+0.88) - 0.8+3.2 X 1.25 7.69 X101 15.84-2.17-3.83 3.8X10.1 (25+2.5+0.25) X4 0.25X39+0.25 (35.2 X45.6+45.6 X63.8+45.6 0.125X72 12.253.10.856.17 46X0.33+54X0.33 (1.9 1.9 X 0.9 ) -( 3.8 2.8 ) 5.74X995.74 89X1.

9、1X4.72.7X5.4X3.9 4.753.25X2.47.6 3.8X 1.4 + 18.2-0.73.6X 9.85-5.46 4.8X 0.258.05X 3.4+7.6 6- 1.2=9.2 + 2.3= 0.43 X 0.28= 4.6 X 0.6= 3.08 X 0.43= 5.22 + 29= 13.95 + 3.1 = 5.93 X 0.76 32.08 3.54 X 13 205.674 5.4 + 0.036 5.778 - 5.4= 1.5 X 0.25= 二、用竖式计算 1.8+0.02= 0.72 + 0.9= 0.2 + 0.01 = 0.25 X 40= 1.2

10、5 X 0.8= 5.5 X 66= 7.8 X 0.35= 8.4 X 0.25= 4.1-1.298 6.84 X 7.45 36.72 - 2.4 110.7 - 0.54 1.204 - 0.43= 5.76 X 3= 90.75 + 3.3 16.9 + 0.13 3.7 X 0.016 5.2 X 0.6 6.4 X 0.5 5.25 X 5 0.042 X 0.54 0.25 X 0.046 1.08 X 25 0.125 X 1.4 10.1 + 3.3= 3.25 X 9.04= 2.08 X 7.5= 1.05 X 2.4= 1.89 - 0.54= 5.61 + 6.1

11、= 6.21 + 0.3= 1.3 + 0.9 21.84 - 0.7 28.14 - 6.7 0.396 + 1.2= 15.6 X 13= 0.025 X 14= 0.04 X 0.12 = 3.5 X 0.2=7.15 X 2218.9 - 0.54=6.45 X 0.73= 4.8 + 2 = 3.5 X 24= 4.25 X 24= 5.24 - 7.2 87.11 + 3.1 1- 0.01 = 7.6 X 1.05= 5.56 + 0.83 6.5-5.6= 2.84 X 0.05 = 0.42 X 0.308 1.55 + 3.9 8.4 X 1.3 35.4 X 4.2 2.52 X 3.4 2.5 - 0.7= 3.68 X 0.25 4.48 X 0.4 4.8 X 0.25 = 13.76 X 0.8= 10.75 - 12.5= 0.76 X 0.32 0.35 X 8.6= 54 - 0.36= 0.462 - 1.4 0.756 + 0.36= 3.06 X 36= 1.44 - 1.8=