233小数加减法专项练习200题有okWord文档下载推荐.docx

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233小数加减法专项练习200题有okWord文档下载推荐.docx

(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),

 

 

小数加减法200题参考答案:

(1)7.4+12.86=20.26;

(2)20﹣5.674=14.326;

(3)141.2﹣48.98=92.22;

(4)102+4.36=106.36;

(5)32.15﹣27.45=4.7;

验算:

(6)12.9+5.01=17.91;

(7)29.46﹣(9.46+3.8),

=29.46﹣9.46﹣3.8,

=20﹣3.8,

=16.2;

(8)15.75+0.65﹣2.75+3.35,

=(15.75﹣2.75)+(0.65+3.35),

=13+4,

=17;

(9)65.71﹣4.99,

=65.71﹣(5﹣0.01),

=65.71﹣5+0.01,

=60.71+0.01,

=60.72;

(10)12.42+0.48=12.9,

(11)0.56+11.534=12.094,

(12)44﹣22.13=21.87,

(13)91﹣22.035=68.965,

(14)52.6+21.237=73.837,

(15)9.15﹣2.18=6.97.

=2.35+1.32,

=3.67;

(17)15.4+6.87=22.27

(18)3.56+27.84=31.4

(20)123.56﹣47.9+51.7=127.36

=2.7+(3.1+2.9)+3.2,

=2.7+6+3.2,

=11.9.

(22)28.42+19.48=47.9

(23)42.56+3.124=45.684

(24)81﹣30.75=50.25

(25)15.6十0.237=15.837

=148.2﹣(25.62+24.38),

=148.2﹣50,

=98.2.

=4.52﹣(0.74+0.26)

=4.52﹣1

=3.52;

=(0.42+1.58)+(5.4+2.6)

=2+8

=10;

(29)5.9+28.65﹣16.57=17.98;

=57.5﹣(3.25+16.75),

=57.5﹣20,

=37.5;

=6.02+1.98+3.6,

=8+3.6,

=11.6;

=(1.29+2.71)+(3.7+6.3),

=4+10,

=14;

=3.07﹣(0.38+1.62),

=3.07﹣2,

=1.07;

=(3.25+1.75)+(1.79﹣0.59),

=5+1.2,

=6.2;

=12.4﹣6.1,

=6.3;

=14.8﹣4.8+7.9,

=10+7.9

=17.9

(37)2.608+2.84=5.448,

(38)6.07﹣3.869=2.201,

(39)1.5﹣0.306=1.194,

(40)76.8+26.82=103.62,

(41)102.07﹣37.257=64.813,

(42)48.64+18.6=67.24.

(43)54.75﹣5.25﹣14.75,

=54.75﹣(14.75+5.25),

=54.75﹣20,

=34.75;

(44)4.68+14.79+5.32﹣10.79,

=(4.68+5.32)+(14.79﹣10.79),

=10+4,

=48.9﹣(12.7+0.3),

=48.9﹣13,

=35.9;

=16.7+24.3,

=41;

=(3.6+13.4)﹣(2.8+7.2),

=17﹣10,

=7;

=(3.67+6.33)+18.5,

=10+18.5,

=28.5;

=120﹣17.83﹣2.17,

=120﹣(17.83+2.17),

=120﹣20,

=100;

=(17.17﹣6.17)﹣(6.8+3.2),

=11﹣10,

=1;

=73.8﹣13.8﹣(1.64+5.36),

=60﹣7,

=53;

=6.75﹣3.75﹣0.9,

=3﹣0.9,

=2.1;

=22.04+2.62﹣4.66,

=24.66﹣4.66,

=20;

=35.72﹣(4.9+5.72+5.1),

=35.72﹣15.72,

=0.75﹣0.75﹣0.25+0.25,

=0﹣0.25+0.25,

=0﹣0,

=0;

=5.3+5.3+0.1﹣0.1,

=10.6+0.1﹣0.1,

=10.7﹣0.1,

=10.6;

=12.7﹣(4.8+5.2);

=12.7﹣10,

=2.7.

=23.25﹣(6.75+3.25),

=23.25﹣10,

=13.25.

=(4.58+5.42)+(2.39+7.61)

=10+10,

(60)9.05﹣3.86﹣3.14,

=9.05﹣(3.86+3.14),

=9.05﹣7,

=2.05;

(61)20﹣9.18﹣0.82,

=20﹣(9.18+0.82),

=20﹣10,

=10.

(62)6.53﹣(1.53+2.6),

=6.53﹣1.53﹣2.6,

=4﹣2.6,

=1.4.

(63)5.52﹣1.074﹣0.926,

=5.52﹣(1.074+0.926),

=5.52﹣2,

=3.52.

(64)4.21+1.04+0.79,

=4.21+0.79+1.04,

=5+1.04,

=6.04

(65)1.36+4.85+2.64+6.15,

=(1.36+2.64)+(4.85+6.15),

=4+11,

=15;

(66)83.7﹣12.83﹣0.17,

=83.7﹣(12.83+0.17),

=83.7﹣13,

=70.7;

(67)4.32+5.43+6.68,

=4.32+6.68+5.43,

=11+5.43,

=16.43;

=17.17﹣(6.8+3.2),

=17.17﹣10,

=7.17;

=1+(12.7+17.3)+5.9,

=1+30+5.9,

=36.9;

=270﹣(42.5+17.5),

=270﹣60,

=210;

=15.68﹣7.78+4.32﹣2.32,

=(15.68+4.32)﹣(7.78+2.32),

=1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1,

=(1+10+100+1000)﹣(0.1+0.1+0.1+0.1),

=1111﹣0.4,

=1110.6

=25.46﹣(8.23+1.76),

=25.46﹣9.99

=15.45;

=(9.4﹣6.4)+0.3,

=3+0.3,

=3.3;

=(15.25+4.75)+(4.72+5.28),

=20+10,

=30;

=34.823﹣4.82﹣15.2,

=30.003﹣15.2,

=14.803;

=12.7﹣(4.8+5.2),

=2.7;

=(3.1+6.9)+25.78,

=10+25.78,

=35.78;

=(73.8﹣13.8)﹣(1.64+5.36),

=53

=(2.15+7.85)+(8.73+1.27),

=11.87﹣1.87﹣8.2,

=10﹣8.2,

=1.8;

=5.42﹣5,

=0.42;

=(4.38+0.62)﹣(1.56+0.44),

=5﹣2,

=3;

=46.7﹣(15.03+4.97),

=46.7﹣20,

=26.7;

=(4.52+6.48)+(0.61+1.39),

=11+2,

=13;

=4.27﹣0.23,

=4.04;

=7.27﹣0.27﹣1.98,

=7﹣1.98,

=5.02;

=22.35﹣9.628,

=12.722;

=12.8﹣5.994

=6.806

=15.17﹣8.5,

=6.67;

=35.6+8.2,

=43.8;

(92)16.4+3.5+83.6+166.5

=(16.4+83.6)+(3.5+166.5)

=100+170

=270;

=4.65﹣(2.55+1.45),

=4.65﹣4,

=0.65;

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