小学四年级数学小数计算巩固练习.docx

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小学四年级数学小数计算巩固练习.docx

小学四年级数学小数计算巩固练习

(1)7.4+12.86

(2)20﹣5.674

(3)141.2﹣48.98

(4)102+4.36

(5)32.15﹣27.45

(6)12.9+5.01

(7)29.46﹣(9.46+3.8)

(8)15.75+0.65﹣2.75+3.35

(9)65.71﹣4.99

(10)12.42+0.48

(11)0.56+11.534

(12)44﹣22.13

(13)91﹣22.035

(14)52.6+21.237

(15)9.15﹣2.18

(16)3.85﹣1.5+1.32,

(17)15.4+6.87

(18)3.56+27.84

(19)100﹣82.13

(20)123.56﹣47.9+51.7

(21)2.7+3.1+2.9+3.2,

(22)28.42+19.48

(23)42.56+3.124

(24)81﹣30.75

(25)15.6十0.237

(26)148.2﹣25.62﹣24.38

(27)4.52﹣0.74﹣0.26

(28)0.42+5.4+1.58+2.6

(29)5.9+28.65﹣16.57 

(30)57.5﹣3.25﹣16.75,

(31)6.02+3.6+1.98

(32)1.29+3.7+2.71+6.3

(33)3.07﹣0.38﹣1.62

(34)3.25+1.79﹣0.59+1.75

(35)7.5+4.9﹣6.1

(36)14.8+7.9﹣4.8

(37)2.608+2.84

(38)6.07﹣3.869

(39)1.5﹣0.306

(40)76.8+26.82

(41)102.07﹣37.257

(42)48.64+18.6

(43)54.75﹣5.25﹣14.75, 

(44)4.68+14.79+5.32﹣10.79,

(45)48.9﹣12.7﹣0.3,

(46)56.4﹣39.7+24.3,

(47)3.6﹣2.8+3.4﹣7.2,

(48)3.67+18.5+6.33,

(49)120﹣17.83﹣2.17,

(50)17.17﹣6.8﹣3.2﹣6.17

(51)73.8﹣1.64﹣13.8﹣5.36

(52)6.75﹣(0.9+3.75)

(53)27.38﹣5.34+2.62﹣4.66

(54)35.72﹣4.9﹣(5.72+5.1)

(55)0.73﹣0.25﹣0.73+0.25

(56)5.3+0.1+5.3﹣0.1

(57)12.7﹣4.8﹣5.2.

(58)23.25﹣6.75﹣3.25

(59)4.58+2.39+(5.42+7.61)

(60)9.05﹣3.86﹣3.14

(61)20﹣9.18﹣0.82

(62)6.53﹣(1.53+2.6)

(63)5.52﹣1.074﹣0.926

(64)4.21+1.04+0.79

(65)1.36+4.85+2.64+6.15

(66)83.7﹣12.83﹣0.17

(67)4.32+5.43+6.68

(68)17.17﹣6.8﹣3.2,

(69)1+12.7+5.9+17.3

(70)270﹣42.5﹣17.5

(71)15.68﹣(7.78﹣4.32)﹣2.32,

(72)0.9+9.9+99.9+999.9,

(73)25.46﹣8.23﹣1.76,

(74)9.4+0.3﹣6.4,

(75)15.25+4.72+4.75+5.28,

(76)34.823﹣(4.82+15.2),

(77)12.7﹣4.8﹣5.2,

(78)3.1+25.78+6.9,

(79)73.8﹣1.64﹣13.8﹣5.36,

(80)2.15+8.73+1.27+7.85

(81)11.87﹣(8.2+1.87),

(82)5.42﹣3.87﹣1.13,

(83)4.38﹣1.56+0.62﹣0.44,

(84)46.7﹣15.03﹣4.97

(85)4.52+0.61+1.39+6.48

(86)4.27﹣(1.96﹣1.73)

(87)7.27﹣(1.98+0.27),

(88)13.7+8.65﹣9.628,

(89)12.8﹣(4.38+1.614)

(90)15.17﹣(3.6+4.9),

(91)35.6+(12.6﹣4.4),

(92)16.4+3.5+83.6+166.5 

(93)4.65﹣2.55﹣1.45,

(94)1.28+0.86+38.72,

(95)25.74﹣3.57﹣6.43,

(96)14.5﹣4.68﹣5.32,

(97)0.485+0.64+3.36,

(98)72.51﹣9.34﹣12.66,

(99)14.02﹣4.5+0.98,

(100)5.76+2.43+0.24+10.57,

(101)9.28﹣(3.28+2.55),

(102)9.5+4.85﹣6.13,

(103)10.75﹣1.86﹣2.75﹣3.16,

(104)1.3+0.94+0.06+7.7,

(105)4.45+0.63+5.55,

(106)45.5﹣(0.98+5.5),

(107)0.96﹣0.28+0.04﹣0.72,

(108)12.7+12.5+0.5,

(109)0.6+0.94﹣0.208,

(110)27.73﹣(4.73﹣1.85),

(111)3.84+[26.5﹣(20﹣8.6)],

(112)7.38﹣5.14+3.62﹣2.86,

(113)5.86+13.08﹣9.27,

(114)25.4﹣(15.4﹣6.4),

(115)47.23﹣7.23﹣5.89,

(116)4.45+0.63+5.55,

(117)5.28﹣(2.9+1.28),

(118)5.25+7.86﹣2.86+4.75,

(119)0.96﹣0.28+0.04﹣0.72,

(120)9.42+7.39+1.58,

(121)18.4﹣1.6﹣5.4,

(122)75.7+39.4﹣23.86,

(123)21.21+38.38﹣9.79,

(124)47.28+1.39+52.72,

(125)2.45﹣1.68+1.54,

(126)15﹣8.13﹣1.87,

(127)5.14+3.225﹣6.302,

(128)3.95+5.36﹣1.95,

(129)13.67﹣(5.45+3.67),

(130)4.26+5.48﹣1.26+4.52,

(131)14.67+25.91+15.33+4.09,

(132)10.75﹣(2.4﹣0.86),

(133)9.61﹣4.38+0.35,

(134)3.87+4.92+1.13,

(135)46.24﹣8.66﹣1.34,

(136)21.9﹣9.22﹣0.78+8.1,

(137)35.47+39.88﹣12.37,

(138)93.21﹣5.99﹣14.01,

(139)15.37+28.94+4.63+1.06,

(140)42.37﹣(12.37﹣9.78),

(141)38.78﹣19.59+41.22﹣30.41,

(142)1.9+19.9+199.9+0.3

(143)429+31.1+2.04,

(144)100﹣27.2﹣42.8,

(145)9﹣(3.02+1.25),

(146)1.8﹣1.57+0.2,

(147)5.03﹣2.5+0.96,

(148)35.72﹣(5.9+5.72),

(149)25﹣4.7+5.3,

(150)1.3+2.83+8.7+0.17,

(151)2.47﹣2.2﹣3.8+7.53,

(152)6.89+4.7+2.11+5.3,

(153)7.46﹣2.37﹣1.63,

(154)14﹣(3.65+0.24),

(155)70.8﹣1.25﹣1.75,

(156)5.81+8.3+4.19+11.7,

(157)4.2+7.64+5.8+2.36,

(158)14.28﹣2.63﹣7.37,

(159)6.8+5.26+3.74+3.2,

(160)6.21﹣3.8+2.2,

(161)6.03+3.7+2.97,

(162)17.43﹣6.57﹣2.43,

(163)20.47﹣(1.47+6.8),

(164)13.26+4.71+3.47+5.29,

(165)22.74+8.68﹣13.74,

(166)12.56﹣6.64﹣3.36,

(167)45.5﹣(0.98+5.5),

(168)13.6+7.94+6.4,

(169)15.19+3.36+4.64+4.81,

(170)4.7+7.69+5.3+2.31,

(171)53.78﹣13.6﹣37.4+6.22,

(172)60﹣(21.5﹣8.8)+7.3,

(173)9.5+4.85﹣6.13,

(174)75.8﹣(15.3﹣4.8), 

(175)51.27﹣8.66﹣1.34,

(176)28.4﹣3.96﹣1.04+4.6,

(177)70.8﹣7.25﹣1.75

(178)5.81+8.3+4.19+11.7

(179)794﹣198,

(180)6756﹣193﹣207,

(181)0.9+1.08+0.92+0.1,

(182)13.59﹣6.91﹣0.09, 

(183)4.58+3.38+(5.48+6.62)

(184)73.75﹣(4.3+8.75)

(185)5﹣(4.19﹣2.83),

(186)1.39+0.72+0.61+3.28,

(187)8﹣3.7﹣6.3,

(188)8.28﹣(1.28+3.7),

(189)15.37﹣7.59+5.73﹣12.41,

(190)11.72﹣7.85﹣(1.26+0.46),

(191)15.37+28.44+12.56,

(192)12.64﹣(3.96+4.64),

(193)36.26﹣4.78+3.74,

(194)7.34+7.57+12.66+6.43,

(195)78.65﹣23.12﹣14.88,

(195)4.58+2.39+(5.42+7.61),

(196)8.27+5.84+1.73+2.16,

(197)18.51﹣9.08﹣0.92,.

(198)0.09+0.6+5.91+3.4,

(199)7.85+6.76+2.15

(200)18.43﹣3.76﹣7.24

(201)21.65+(4.8﹣3.65)

(202)9.64﹣(4.64﹣1.23)

(203)2.7+17.6+3.3﹣5.6

(204)9.87﹣3.5+2.13﹣8.5

(205)5.64+4.97+0.03,

(206)10.93﹣3.74﹣4.26,

(207)10﹣6.8﹣3.2,

(208)5.81+8.3+4.19+11.7,

(209)3.78﹣1.46+1.54,

(210)8.45﹣(5.45+2.98);,

(211)3.01+8.2+6.99+1.8,

(212)4.3﹣(5.98﹣5.7),

(213)5.52﹣0.55﹣0.45,

(214)19.6﹣26.72+80.4﹣3.28,

(215)27.5﹣10.8﹣0.2,

(216)43.5+18﹣13.5,

(217)63.5﹣(43.5+20),

(218)75.36﹣24.9+24.64﹣25.1,

(219)12.56﹣6.64﹣3.36,

(220)45.5﹣(0.98+5.5),

(221)6+7.94+6.4,

(222)5.41+3.46﹣2.46,

(223)2.03﹣0.18﹣2.82+7.97,

(224)10﹣4.44﹣5.56,

(225)32.63+7.89﹣6.4,

(226)3.97+0.7﹣1.32,

(227)30﹣(3.8+0.75),

(228)75.6﹣(14.3﹣8.3),

 第一天

1、竖式计算

8.42+9.48=          42.56+3.124=           91.26-30.35=25.7-12.2=  

15.6十0.237=           80-52.1=          3.3+22.75= 12.59+7.03=   

7.35—1.41= 14.33+5.46=             45.45-45=    74.69-25.331=

 2、脱式计算

8-7.19+3.83         2.58-(3.5-2.12)  8.4-7.85+3.2

13.75-5.28-4.72                  2.25+4.8+0.75   9.65-(7.03+1.65)

3、用小数计算

5元6角2分+3元零9分= 1吨30千克+980千克= 

4米35厘米+5米70厘米=

 10千克-4千克800克= 4千米890米-3千米50米= 

第二天:

1、竖式计算

14.9+3.49=           12.75-6.039=   13.01-3.1=          89-9.57=

            

16.35+3.59=7.35—1.41=45.01-22.7=18.44+27.6=

8.42+9.48=          42.56+3.124=           91.26-30.35=  80-52.1=

          

2、脱式计算

6.24–(2.19+1.86)    3.8+1.4– 2.35       2.36+0.88-2.63+0.21  

6.39+0.3-6.39+0.318.51-9.03-0.97     32+6.4+68+3.6        

3、用小数计算

 20米16厘米-7米4分米9千米80米+1千米6米

6吨4千克-5吨14千克

 3元6角5分+7元5角4分 6千米-2千米860米 

第三天

1、竖式计算

15.6十0.237= 15.84-13.97=        21.46+43.96=     9.6-5.8=

 8.25+2.46=     67.83-45.9= 24.01-10.03=46.75+36.47=

28.97-19.78= 28.42-16.38=     12.48+7.54=    1.62+1.41=

2脱式计算

5.93+0.19+2.81             7.3+2.7-7.3+2.7      48.4+2.78+51.6-0.78   

10.27+0.4-8.27     24.6-3.98+5.4-6.0225.6-(0.23+5.6)-1.77

3、用小数计算

 5米80厘米十4米15厘米         5元6角十8元3角

2吨50千克十630千克    

8米6厘米十5米60厘米6吨50千克-650千克

第四天

1、竖式计算

83-8.45=         13.98-2.88= 0.98+2.56=18.72-9.83=

 50.35-28.44=            92.4-74.36=         63.74-41.58=29.84+36.75=

25.5-3.26=8.95-4.44=       9.56+3.44=              6.52-3.44=

2.脱式计算

3.45+1.79+0.65         4.85+8.63+0.37            1.76+3.44+0.35

 

36.54-1.76-8.66                8-2.45-1.02          23.4+3.4-0.23

3、用小数计算

5米80分米+4米15厘米5米23厘米+3米5分米

 

10千克-3千克600克

 

5吨20千克+620千克5千米90米-3600米

 

第五天

1、竖式计算

15.4+6.87=3.56+27.84=100-82.13=123.56-47.9=

 

6.47+0.58=43.25-10.4=49.52-37.84=1.654+20.45=

7.02-4.63=10.05-8.36=8.44-3.56=51-5.46=

2、脱式计算

36.8-3.9-6.88               3.285+1.79+0.59           23.4-0.8+13.4

 

32+4.9-8.6        1.29+3.7+2.71         5.93+0.49+2.06

 

3、用小数计算

20吨35千克-2035千克3吨760千克+28千克510米-540厘米

 

30米6分米4厘米-3米6分米2厘米78元5角-58元6分

 

第六天

1、竖式计算

0.75-0.284=4.81+9.18=130.5-40.8=76.48-27.4=

19.2-6.8=33.64-12.4=45.96+18.37=59.33-39.88=

19-9.09=88.72-3.2=60-8.6=46.4+85.78=

2、脱式计算

17.05-(2.05-6.4)     3.73+5.28+4.27+4.72    6.42+3.99-3.42

 

15.58-(7.89-4.42)6.47-1.88-4.12+3.53   16.29-(7.96+6.29)

 

3、用小数计算

7千克500千克-4530千克7米50厘米-3米5厘米

 

8千米500米-3千米570米

 

61元1角9分-3元4角1分5平方米50平方分米-55平方分米

1.小数数位相同的加减法(竖式计算)

 5.5+4.5=     3.27-2.49=   11.65-7.39=  5.48-3.25=  

19.01-7.99=  7.51+0.49= 8.03-4.56=4.17+2.53= 

4.8+18.9=   10.3+58.7=   9.03-8.57=     5.07-0.98=

  5.67-0.73=  13.18+5.27=  5.16+7.89=  7.81-3.735=  

26.8+3.02=  6.07-4.993=   3.7+2.36=  10.2-8.75=   

15.4+2.97=  12.16+5.347=  0.4-0.125=  18.7+3.96=

9.6+4.78=  5.67-0.845=  0.506-0.19= 62.1-17.07=

11.04-7.3=   1.4-0.405=   12.03+0.875=  37.8+3.02= 

1.4-0.405=   3.906+0.66=   43.5-27.34= 0.704-0.25=

15.98-3.9=   75.6-3.55=8.94+10.7= 26+7.98= 

10.1-0.55=   27+8.03=   35.09-11=  96.85-85=

13.99+1=  7.88+2.32 =    95-9.85=     20-9.42=

 2.小数加减混合运算(递等式计算)

5.03-2.5+0.96       22.8-5.23-9.125    23.66+4.34-3.56     5.6-0.81-1.29  

15.9+3.26+4.17       67.2+41.5-71.39     10.75+0.4-9.473    16.23+8.92-7.56  

50-28.5-13.45       13.79-9.653+170.57 1.5+0.68-0.306       72.8-8.6+5.84      

20.8-(15.98-3.9)32.5+(5.07+6.13)3.52-(4.66-3.82)

3.小数加减简便运算(递等式计算)

0.9+1.08+0.92+0.1      5.26+3.43+0.74  5.6+2.7+4.4       0.15+7.62+7.85       

51.27-8.66-1.34    48.14-2.43-7.57   18.76-3.47-0.53       5.17-1.8-3.2        

70.8-1.25-1.75      4.02-3.5+0.98        4.25-0.83+0.75      23.04-0.8-13.4-6.2 

15.13+4.92-5.13       3.98-1.5+6.02     4.8+1.2-4.8+1.2 30.99-(8.5+15.99)

72.6-(22.6+3.45) 36.06-(5+6.06)

 

1.小数数位相同的加减法(竖式计算)

27.38+4.83=  26.75+2.83=  3.64-2.58= 6.52-3.44=

 5.31+13.51=5.5+4.5=     3.27-2.49=   11.65-7.39= 

19.01-7.99=  7.51+0.49= 5.48-3.25=   4.8+18.9=

 10.3+58.7=  8.03-4.56=   9.03-8.57=     8.25+1.55= 

  9.43-9.05=   1.75+2.08=  4.28-3.37=  4.13+2.24=   

4.17+2.53=   5.07-0.98=   5.67-0.73=  13.18+5.27=  5.16+7.89=  

2.小数数位不同的加减法(竖式计算)

26.8+3.02=  6.07-4.993=   3.7+2.36=  15.4+2.97=

10.2-8.75=    7.3-2.25= 3.8+3.54=     3.05-2.9=

 3.1-2.07=  12.7+6.58=     7.81-3.735=  12.16+5.347= 

0.4-0.125=  18.7+3.96=   9.6+4.78=   5.67-0.845= 

0.506-0.19=  11.04-7.3=   1.4-0.405=   62.1-17.07=

1.4-0.405=   3.906+0.66=   43.5-27.34=  15.98-3.9= 

 75.6-3.55=5.94+10.7=   12.03+0.875=  37.8+3.02=  

0.704-0.25=  10.1-0.55=

3.整数与小数的加减法(竖式计算)

10+

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