五年级数学简便计算专项作业题

五年级数学简便计算专项作业题

学校名称:班级:学号:姓名:

计算下面各题，能简算的要用简便方法算

32X125X2.531.64-1.254-810.1X87

436+981.85X2.5+2.15X2.532.8+5.6+7.2

(6.9+6.9+6.9+6.9)X0.256.81+6.81X992.35X3.18+2.35X5.82+2.35

0.125X0.25X8X47.4X0.28+0.28X2.615.89-3.2-6.8

2.8X4.5+5.5X2.810.1X89-8.99304-54-0.6

0.99X99+0.9953.28X97+53.28X2+53.281.25X0.96X0.8

0.43X1029.8X5.6+9.8X4.476.1X17-76.1X7

2.65X1.7+1.35X1.763X10.16.3+0.84+3.7+8.16

3.6X3.6+1.4X3.60.25X0.8X0.125X0.42.7X1.5-2.7

18-(1.4+1.25X2.4)0.25X185X401.25X7.2

1.36+4.85+2.64+6.1583.7-12.83-0.98.5+2.5+4

9.83X1.5+6.17X1.519.8-0.6X0.6-0.640.125X7.9X8

37.9X94+37.9X7-37.95.37-1.46-2.548888X1111+4444X7778

37.5X101-37.50.8X(4-3.68)4-0.014.78-3.62-0.38+5.22

1.69X3.3+1.69X5.7+1.694.3+5.71+2.7+4.290.25X0.8X0.125X40

0.25X4418.26-2.35-4.655.5X17.3+6.7X5.5

0.88X4.9+5.1X0,882.5X8X0.4X0.1250.65X201

9.83X1.5+6.17X1.518X0.450.13X3.89+0.13X1.11

2.4X2.59.8X1.210.1X3.4

46+789+5425X2815X13X4

421-173-277204-45420+35+2

2.5X(3.8X0.04)7.69X101(8X5.27)XL25

19.34-8.65-1.3536X10.10.25X44

0.25X39+0.250.125X7246X0.33+54X0.33

2.31X1.2X0.599X4.3132-43.7-56.3

12.78-(4.97+2.78)63.4+2.54-0.40.8+0.88+0.22

2.75+1.48+(3.25-0.48)23.4-0.8-13.4-7.27.6-(3.05+2.6)

1.6X3.9X1.2535.724-0.0474-0.32222X4+178X4

3.64-10.10.138X6.44-0.124.6X0.35+4.6X0.65

14-0.25X(1.284-3.2)312X4+188X44.87X2.34+48.7X0.266

2.95X101-2.95(1.25+0.25)X44.94-14

63X10.1-63X0.14.2X99+4.23.2X101

0.89X4.8+0.89X0.520.25X13.7X0.44.2X101

1.25X(8+0.8)+910.23X1024X1.76X0.25

12-0.382X(16.4+8.6)504-2.5+1.8X4.556.554-6.5+26X0.37

5.6+0.82+4.4+0.185.08-0.8-4.24.52-(3.52+0.72)

12.5X(0.7X0.8)70.8-0.8X0.513-3.79+6.21

3.86X1.3—0.14X1.33.9+0.56+6.1+0.4415.93-8.15-5.93

12.5X29-12.5X214.12-1.78-1.224.24-0.74-6

8.27-5.84+1.73-2.161.25X83.4X8(1000-650+350)4-25

225134821

(z+

-一

9-v9--8-5-9-3-3-

12

2.579-0.87+0.42-11.1345.3+7.6+4.725X14X4X20X5

32+4.9-0.94.8-4.8X0.5(1.25-0.125)X8

4.8X100.156.5X99+56.57.09X10.8-0.8X7.09

3.6X992.5X32X1.2556.5X99+56.5

(1.25-0.125)X8454-0.094-0.517.84-(1.78X4)

354-(0.35X2)4.8X10.13.14X1.9+31.4X0.81

7.3X10.2-1.460.92X1.0115.6X13.1-15.6-15.6X2.1

0.037X1.25X0.80.8X(12.5+1.25)0.125X88

3.7x1.4x0.0572x0.81+10.41.4x25+3.45

1.5x1021.25x0.7x0.82.7x3.7+0.37x73

8.7x990.8x(12.51.25)1.25x0.4x80x2.5

4.86X99+4.8612.5X3.8-2.5X3.85.76X101-5.76

3.97X1.4+6.03X1.44.9+0.8—4.9+0.812.96-(9.6-1.52)

8.8X12.5(2.5-0.25)X43.6X5.2+4.8X3.6

50.4X1.9-1.825.8+3.75X0.2454.7-29.8+5.3

11X5.7-5.7(12.3-8.05)X0.47.06X2.4-5.7

48x(11)

86

3.45X1020.47X0.5X0.80.46X1.9+0.54X1.9

2,35、513、1751

—+(——+-)——(z一+—)—+—+—+—

74788106868

59723510

4+15.75+3-+2-x)

3209410721

7.6X5.3+3.7X7.6(3.7+17X0.4)+3.575.364-12—4.32X0.5

1.24-0.25+1.3X44-3.254-1.3X0.7C4.8+6.4)+8

8.8X0.12524.1X1.5+7.59X156.64-(0.68+0.42)

557135c725

14-8--2121—-6—+4—4——-2—+5——~4—

99182118712712

150+2.5+1504-7.51.274-[14-(3.1-3.09)]58.3X1.6+1.6X41.7

913552515

10-18—+91—x—+-_._1_._

2058863^83^8

1355…8

2—x9.6+9-42――16——13———xl.8x2—

4571313452

J—,1

(9.81x1-Jio1-31-2.45+1.63——2-+1-

2》15254

1413,8151c7,2」515

6-1-3

———+—4+38616

151515n+8直T7

133328

6.5+选一4.815g-5-+4.89.28-3^-2--1-

34557+31—3111

———+—24.~15+66

10151812

$-7!-2.85Y)31

60+(145-(7.2-3-)

—(51+4.5)1哈—(2^+3.9)

7524

10-2T2~4655_(l.8+2g)

15553.825+29+11

2--1.5+3—6——2.375—1-

o1/1oo

43-(L75^)7.42-(b|-1.35)-11

3.82+(7|一2.82)—5年

7±_213号+43.75+5申

124|

c53311

一5+2.3171°・5+2有

I-2百一2VJJLZ

22、/18、1八9\

6--(0.15+4-)5.25-(1-+3—)2--(7.05-6—)

21-(0.75备)18.79-(4.79+s|)-0.44.125+2,-2y+5(

1511c3

323-125-36喝+19-2]%+18H-

21、

10^-(1.5-5-)15.25—1+需14.一2.75+1.5-3、

26.4X3.6-3.6X16.40.25X13X40.125X32

15313423

-+-+-+5---X+-X

288-7-7520520

12

521175

+

999-9-8-8-一

1012

11638122

-

+飞

一

-+一+---

7474O-55

13

7.28—(0.8+3.28)3.15+1.83+6.85+2.175.3+0.98+2.7

2.72—3.98+5.28—2.0210.78—1.54—2.468.44—(5.44+2.8)

4.78+0.22X204-1631.7-0.5X0.7-1.655.7X8.06+1.94X5.7

17.17-6.8-3.2-6.175.4X[(1.3+2.15)4-0.2]8.44-0.6+8.44-0.4

16.8X10.110.9-0.9+0.2+1.81.25X3.2X0.25

[2.95+(10.58-3.53)]4-0.2510-7.5X(6.4-5.9)3.5X4-96.244-24+4.01

5.62X1.017.67-2.57-2.434.2X99+4.2

6.09X3.6+3.6X3.911.25X32X0.259304-54-0.6

2.8X0.5+0.5X27.21.25X64X0.256.1X0.98

12.5X(0.7X0.8)70.8一0.8X0.513-3.79+6.21

12.5X(40+0.7)4.12-1.78-1.224.24-0.74-6

2.3+3.914-(22-19.7)5.64-3.513.7X0.25X8

(1-0.2)X[13-(3.12+5.28)]0.56X8.3+4X832.65X1.7+1.35X1.7

12.25-3.1+0.85-6.1762.3+(62.3X0.8)(1.9-1.9X0.9)-r(3.8-2.8)

[7.5-7.5X(7.5-7.5)]4-0.25(2.78+3.5)X(3.8184-8.3)

5.48-(e|-2.52)

4-375+6盛-4+55

53.85-(4.13+3.85)1.28X8.5+0.72X8.525X0.32X1.25

40.84-(41.5-7.5X5)28.6X10.1[8.85-(1.54-3.75)]4-1.8

8.69+7.35+3.31+2.652.65X1.7+1.35X1.75.42+11+4.58

72.84-5.6+14.95.4X12.3+5.4X7.742X101-42

4.054-0.5+10.7521.6^0.8-1.2X56.8X2.7+2.7X3.2

24.IX1.5+7.59X15(3.7+1.7X0.4)4-3.575.364-12—4.32X0.5

8.8X0.1257.6X5.3+3.7X7.62.6X[6.64-(0.68+0.42)]

3.1+25.78+6.912.7-4.8-5.234.82-(4.82+15.2)

15.25+4.72+4.75+5.280.23X988.64-2.4+2.36-1.6

184-1.5-0.5X36304-[2.98+6.5X(3.2-3.12)]90.7X99+90.7

42.6-(44-0.02-192)2.38+0.77+2.626.12-(3.12+2.49)

0.125X163.2X5.6-11.45.74X99+5.74

4.75+3.25X2.4+7.63.8X1.4+18.2+0.76.73+2.56+1.44+3.27

4.8X0.254.7X10.27.63X99+7.63

2.37X2.5X41.5X10224004-164-0.5

2.8X3.2+3.2X7,29.4—1.2+0.6+6.243.76X0.25-0.49

2.9X1.4+2X0.165.4X2.08+66X0.208-2.08

7.64-(1.9X25)9.9X5.2(2.5-14-1.25)X0.8

(8.1-5.4)+3.6+85.75.44-(3.94+0.86)X0.8

30.84-[14-(9.85+1.07)][(12.5+1.25+0.125)X80-999]4-0.03

0.25X4.78X40.65X2011.2X2.5+0.8X2.5

8.4X6.9+(6.44-4.14)0.38X1024.8X0.27+0.52X2.7

0.25X3.2X12.53.64-1.54-233.4+0.12X50

2.37+4.9+1.63+16.15.23+4.5-0.23+5.510.5-(6.33+2.7)

7.5+4.8-6.511.23-3.4+8.77-6.65.44-[0.684-(1.2-1.03)]

1.2X0.25+2.8X0.250.65X1043.2X1.25X2.5

2.3+3.91+(22-19.7)12.5X3221.64-[64.8-(48.6-2.7X2)]

(16.8-(1.6+3.8))4-1.99.8X100.18.44-3.5

10.1X873.8X2.5X0.40.25X0.03X4

2.65X1.7+1.35X1.783.4X1.8+8.219.8+86.43+20.2

0.36X1.5X0.40.05X3.2X4026X15.7+15.7X74

5+J+++4,-1

67683655

3811_33_23

-+-(1-3)

6—TTn145U5454

0.125X32X2.57.4X9.8-14.513.4+5.62+17.6+4.38

6.73X4.8+5.2X6.73(9.6+1.484-3.7)4-88.44-0.6+8.4+0.4

5.84-[4X(1.34-0.14)]5.74X99+5.744.75+3.25X2.4+7.6

21.364-0.8-12.94X38X2512.96-[(4.7+3.8)4-1.7]

78-8.5+22-0.52.25X5.8+2.75X5.80.89X6+4X0,89

4113212546

+-+++--+-

5-2-4-4--77-Hn

13

4-

52-3-7+4XS8X38XA125X5

2.5.4.7.482.

20-[3.8+16.24-(0.15X60)]10.15-10.75X0.4-5.7

0.125X320.78X1013.26X5.7-3.26X0.7

5.8X(3.87-0.13)+4.2X3.7422.5-4.54-182.5X1.25X0.32

32.52-(6^9.7284-3.2X2.5[(7.1-5.6)X0.9-1.15]4-2.5

5.4+[2.6X(3.7-2.9)+0.62][20-(90.75+6.6+2.25)]X11.6

56.5X99+56.51.25X213X0.819.625-(4.716+9.625)

73523118

13✓++

一

-----f一----

3-8-85k3559

2.8X4.5+5.5X2.810.1X899304-54-0.6

13.52-4.7-5.3+6.488.35X101-8.352.37X6.3+2.37X3.7

4.4X252.644-54-0.23.8X10.1

24.IX1.5+7.59X15(3.7+17X0.4)4-3.575.364-12—4.32X0.5

4-0.2X3X55.64-2.84-27.2X0.1-0.8X0.9

2.5X0.5X0.4X21.6X255.3X4.2++5.8X5.3

8.8X0.1257.6X5.3+3.7X7.66.64-(0.68+0.42)

(3.4X0.8+9.2X3.4)4-344-0.055.5X17.3+6.7X5.51.5X105

3.78X0.5-0.653.98+13.4X0.24(9.37+9.37+9.37+9.37)X2.5

1313152313

———+―—+_+__)

2550583834(5%

1.25X32X0.250.25X(0.4+40)0.67+1.28+9.33+0.72

3.18-(0.33+1.18)6.34-35[1-(0.5-0.25)]X0.6

7.8X0.9+0.787.8X0.9+0.781.9-1.9X(1.9-1.9)

729511221

3--