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
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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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