(43)小数加减法专项练习200题(有答案)ok

(43)小数加减法专项练习200题(有答案)ok
(43)小数加减法专项练习200题(有答案)ok

小数加减法专项练习200题(有答案)

(1)+

(2)20﹣(3)﹣(4)102+(5)﹣(6)+

(7)﹣(+)(8)+﹣+(9)﹣(10)+(11)+(12)44﹣(13)91﹣(14)+(15)﹣(16)﹣+,(17)+(18)+

(19)100﹣=(20)﹣+(21)+++,(22)+(23)+(24)81﹣(25)十(26)﹣﹣(27)﹣﹣(29)+﹣(30)﹣﹣,(31)++(32)+++(33)﹣﹣(34)+﹣+(35)+﹣(36)+﹣(37)+

(39)﹣(40)+(41)﹣(42)+(43)﹣﹣,(44)++﹣,(45)﹣﹣,(46)﹣+,(47)﹣+﹣,(49)120﹣﹣,(50)﹣﹣﹣(51)﹣﹣﹣(52)﹣(+)(53)﹣+﹣(54)﹣﹣(+)(55)﹣﹣+ (56)++﹣(57)﹣﹣.

(59)++(+)(60)﹣﹣(61)20﹣﹣(62)﹣(+)(63)﹣﹣(64)++(65)+++(66)﹣﹣(67)++(69)1+++

(70)270﹣﹣(71)﹣(﹣)﹣,(72)+++,

(73)﹣﹣,(74)+﹣,

(75)+++,

(76)﹣(+),(77)﹣﹣,

(79)﹣﹣﹣,(80)+++(81)﹣(+),(82)﹣﹣,(83)﹣+﹣,(84)﹣﹣(85)+++(86)﹣(﹣)(87)﹣(+),(89)﹣(+)(90)﹣(+),(91)+(﹣),(92)+++(93)﹣﹣,(94)++,(95)﹣﹣,(96)﹣﹣,(97)++,

(99)﹣+,(100)+++,(101)﹣(+),(102)+﹣,(103)﹣﹣﹣,(104)+++,(105)++,(106)﹣(+),(107)﹣+﹣,(109)+﹣,

(110)﹣(﹣),(111)+[﹣(20﹣)],(112)﹣+﹣,(113)+﹣,

(114)﹣(﹣),(115)﹣﹣,

(116)++,

(117)﹣(+),

(119)﹣+﹣,(120)++,(121)﹣﹣,(122)+﹣,(123)+﹣,(124)++,(125)﹣+,(126)15﹣﹣,(127)+﹣,(129)﹣(+),(130)+﹣+,(131)+++,(132)﹣(﹣),(133)﹣+,(134)++,(135)﹣﹣,(136)﹣﹣+,(137)+﹣,

(140)﹣(﹣),(141)﹣+﹣,(142)+++(143)429++,(144)100﹣﹣,(145)9﹣(+),(146)﹣+,(147)﹣+,(150)+++,(151)﹣﹣+,(152)+++,(153)﹣﹣,(154)14﹣(+),(155)﹣﹣,(156)+++,(157)+++,

(160)﹣+,(161)++,(162)﹣﹣,(163)﹣(+),(164)+++,(165)+﹣,(166)﹣﹣,(167)﹣(+),(170)+++,

(171)﹣﹣+,(172)60﹣(﹣)+,(173)+﹣,

(174)﹣(﹣),(175)﹣﹣,(176)﹣﹣+,(177)﹣﹣

(179)794﹣198,(180)6756﹣193﹣207,(181)+++,

(182)﹣﹣,

(183)++(+)

(184)﹣(+)

(185)5﹣(﹣),(186)+++,

(187)8﹣﹣,(189)﹣+﹣,(190)﹣﹣(+),(191)++,(192)﹣(+),(193)﹣+,(194)+++,(195)﹣﹣,(195)++(+),(196)+++,

(198)+++,(199)++(200)﹣﹣(201)+(﹣)(202)﹣(﹣)(203)++﹣(204)﹣+﹣(205)++,(206)﹣﹣,(208)+++,(209)﹣+,(210)﹣(+);,(211)+++,(212)﹣(﹣),(213)﹣﹣,(214)﹣+﹣,(215)﹣﹣,(216)+18﹣,

(218)﹣+﹣,(219)﹣﹣,(220)﹣(+),(221)6++,(222)+﹣,(223)﹣﹣+,(224)10﹣﹣,(225)+﹣,(226)+﹣,(227)30﹣(+),(228)﹣(﹣),

参考答案:(1)+=;

(2)20﹣=;

(3)﹣=;

(4)102+=;

(5)﹣=;

验算:

(6)+=;

验算:

(7)﹣(+),=﹣﹣,

=20﹣,

=;

(8)+﹣+,

=(﹣)+(+),=13+4,

=17;

(9)﹣,=+,

=;

(10)+=,(11)+=,(12)44﹣=,

(13)91﹣=,

(14)+=,

(15)﹣=.

(16)﹣+,=+,

=;

(17)+=

验算:

(18)+=

验算:

(19)100﹣=验算:

验算:

(21)+++,=+(+)+,=+6+,

=.

(22)+=

验算:(23)+=

验算:(24)81﹣=验算:(25)十=验算:=﹣50,

=.

(27)﹣﹣

=﹣(+)

=﹣1

=;

(28)+++

=(+)+(+)=2+8

=10;

(29)+﹣=;

(30)﹣﹣,=﹣(+),

=﹣20,

=;

(31)++

=++,

=8+,

=;

(32)+++

=(+)+(+),=4+10,

=14;

(33)﹣﹣

=﹣(+),

=﹣2,

=;

(34)+﹣+

=(+)+(﹣),=5+,

=;

(35)+﹣

=﹣,

=;

(36)+﹣

=﹣+,

=10+

=

(37)+=,

(38)﹣=,

(39)﹣=,(40)+=,(41)﹣=,(42)+=.

(43)﹣﹣,

=﹣(+),

=﹣20,

=;

(44)++﹣,

=(+)+(﹣),=10+4,

=14;

(45)﹣﹣,

=﹣(+),

=﹣13,

=;

(46)﹣+,

=+,

=41;

(47)﹣+﹣,=(+)﹣(+),=17﹣10,

=7;

(48)++,

=(+)+,

=10+,

=;

(49)120﹣﹣,=120﹣﹣,

=120﹣(+),

=120﹣20,=(﹣)﹣(+),=11﹣10,

=1;

(51)﹣﹣﹣

=﹣﹣(+),

=60﹣7,

=53;

(52)﹣(+)=﹣﹣,

=3﹣,

=;

(53)﹣+﹣

=+﹣,

=﹣,

=20;

(54)﹣﹣(+)=﹣(++),

=﹣,

=20;

(55)﹣﹣+

=﹣﹣+,

=0﹣+,

=0﹣0,

=0;

(56)++﹣

=++﹣,

=+﹣,

=﹣,

=;

(57)﹣﹣.

=﹣(+);

=﹣10,

=.

(58)﹣﹣

=﹣(+),

=﹣10,

=.

(59)++(+)=(+)+(+)

=10+10,

=20;

(60)﹣﹣,

=﹣(+),

=﹣7,

=;

(61)20﹣﹣,=20﹣(+),

(62)﹣(+),

=﹣﹣,

=4﹣,

=.

(63)﹣﹣,

=﹣(+),

=﹣2,

=.

(64)++,

=++,

=5+,

=

(65)+++,

=(+)+(+),

=4+11,

=15;

(66)﹣﹣,

=﹣(+),

=﹣13,

=;

(67)++,

=++,

=11+,

=;

(68)﹣﹣,

=﹣(+),

=﹣10,

=;

(69)1+++

=1+(+)+,

=1+30+,

=;

(70)270﹣﹣

=270﹣(+),

=270﹣60,

=210;

(71)﹣(﹣)﹣,

=﹣+﹣,

=(+)﹣(+),

=20﹣10,

=10;

(72)+++,

=1﹣+10﹣+100﹣+1000﹣,

=(1+10+100+1000)﹣(+++),=1111﹣,

=

(73)﹣﹣,=;

(74)+﹣,

=(﹣)+,

=3+,

=;

(75)+++,

=(+)+(+),=20+10,

=30;

(76)﹣(+),=﹣﹣,

=﹣,

=;

(77)﹣﹣,

=﹣(+),

=﹣10,

=;

(78)++,

=(+)+,

=10+,

=;

(79)﹣﹣﹣,=(﹣)﹣(+),=60﹣7,

=53

(80)+++

=(+)+(+),=10+10,

=20;

(81)﹣(+),=﹣﹣,

=10﹣,

=;

(82)﹣﹣,

=﹣5,

=;

(83)﹣+﹣,=(+)﹣(+),=5﹣2,

=3;

(84)﹣﹣

=﹣(+),

=﹣20,

=;

(85)+++

=(+)+(+),=11+2,

=﹣,

=;

(87)﹣(+),=﹣﹣,

=7﹣,

=;

(88)+﹣,

=﹣,

=;

(89)﹣(+)=﹣

=

(90)﹣(+),=﹣,

=;

(91)+(﹣),=+,

=;

(92)+++

=(+)+(+)=100+170

=270;

(93)﹣﹣,=﹣(+),

=﹣4,

=;

(94)++,

=(+)+,

=40+,

=;

(95)﹣﹣,=﹣(+),

=﹣10,

=;

(96)﹣﹣,=﹣(+),

=﹣10,

=;

(97)++,

=+(+),

=+4,

=;

(98)﹣﹣,=﹣(+),

=﹣22,

=;

(99)﹣+,=;

(100)+++,

=(+)+(+),

=6+13,

=19;

(101)﹣(+),

=﹣﹣,

=6﹣,

=;

(102)+﹣,

=﹣,

=;

(103)﹣﹣﹣,

=(﹣)﹣(+),

=8﹣,

=

(104)+++,

=(+)+(+),

=9+1,

=10;

(105)++,

=(+)+,

=10+,

=;

(106)﹣(+),

=﹣﹣,

=(﹣)﹣,

=40﹣,

=40﹣(1﹣),

=40﹣1+,

=;

(107)﹣+﹣,

=(+)﹣(+),

=1﹣1,

=0.

(108)++,

=+(+),

=+13,

=

(109)+﹣,

=﹣,

=;

(110)﹣(﹣),

=﹣+,

=23+,

=;

(111)+[﹣(20﹣)],

=

(112)﹣+﹣,=(+)﹣(+),=11﹣8,

=3;

(113)+﹣,

=﹣,

=;

(114)﹣(﹣),=﹣+,

=10+,

=;

(115)﹣﹣,

=40﹣,

=.

(116)++,

=++,

=10+,

=;

(117)﹣(+),=﹣﹣,

=4﹣,

=;

(118)+﹣+,

=(+)+(﹣),=10+5,

=15;

(119)﹣+﹣,=(+)﹣(+),=1﹣1,

=0.

(120)++,

=(+)+,

=11+,

=;

(121)﹣﹣,

=﹣(+),

=﹣7,

=

(122)+﹣,

=﹣,

=;

(123)+﹣,

=﹣,

=;

(124)++,

=++,(125)﹣+,

=+,

=

(126)15﹣﹣,=15﹣(+),

=15﹣10,

=5;

(127)+﹣,

=﹣,

=;

(128)+﹣,

=﹣+,

=2+,

=;

(129)﹣(+),=﹣﹣,

=﹣﹣,

=10﹣,

=;

(130)+﹣+,

=(+)+(﹣),=10+3;

=13;

(131)+++,

=(+)+(+),

=30+30,

=60

(132)﹣(﹣),=﹣,

=;

(133)﹣+,

=+,

=;

(134)++,

=(+)+,

=5+,

=;

(135)﹣﹣,

=﹣(+),

=﹣10,

=;

(136)﹣﹣+,=﹣(+)+,

=﹣10+,

=+,

=20;

(137)+﹣,

=;

(138)﹣﹣,

=﹣(+),

=﹣20,

=;

(139)+++,

=(+)+(+),

=20+30,

=50;

(140)﹣(﹣),

=﹣+,

=30+,

=

(141)﹣+﹣,

=+﹣﹣,

=(+)﹣(+),

=80﹣50,

=30;

(142)+++

=+++++,

=(+)+(+)+(+),=2+20+200,

=222;

(143)429++,

=429+(+),

=429+,

=,

(144)100﹣﹣,

=100﹣(+),

=100﹣70,

=30,

(145)9﹣(+),

=9﹣,

=,

(146)﹣+,

=+﹣,

=2﹣,

=

(147)﹣+,

=+,

=;

(148)﹣(+),

=﹣﹣,

=﹣﹣,

=30﹣,

=;

(149)25﹣+,(150)+++,

=(+)+(+),

=10+3,

=13;

(151)﹣﹣+,

=(+)﹣(+),

=10﹣5,

=5

(152)+++,

=(+)+(+),

=9+10,

=19;

(153)﹣﹣,

=﹣(+),

=﹣4,

=;

(154)14﹣(+),=14﹣,

=;

(155)﹣﹣,

=﹣(+),

=﹣3,

=;

(156)+++,

=(+)+(+),

=10+20,

=30;

(157)+++,

=(+)+(+),

=10+10,

=20;

(158)﹣﹣,

=﹣(+),

=﹣10,

=;

(159)+++,

=(+)+(+),

=10+9,

=19;

(160)﹣+,

=+,

=;

(161)++,

=(+)+,

=9+,

=;

=﹣9,

=;

(163)﹣(+),

=﹣﹣,

=19﹣,

=;

(164)+++,

=(+)+(+),

=+10,

=;

(165)+﹣,

=(﹣)+,

=9+,

=

(166)﹣﹣,

=﹣(+),

=﹣10,

=;

(167)﹣(+),

=﹣﹣,

=﹣﹣,

=40﹣,

=;

(168)++,

=(+)+,

=20+,

=;

(169)+++,

=(+)+(+),

=20+8,

=28

(170)+++,

=(+)+(+),

=10+10,

=20.

(171)﹣﹣+,

=(+)﹣(+),

=60﹣51,

=9.

(172)60﹣(﹣)+,=60﹣+,

=+,

=

(173)+﹣,

=﹣,

=;

(174)﹣(﹣),(175)﹣﹣,

=﹣(+),

=﹣10,

=;

(176)﹣﹣+,

=(+)﹣(+),

=33﹣5,

=28;

(177)﹣﹣

=﹣(+),

=﹣9,

=;

(178)+++

=(+)+(+),

=10+10,

=20;

(179)794﹣198,

=794﹣(200﹣2),

=794﹣200+2,

=594+2,

=596;

(180)6756﹣193﹣207,=6756﹣(193+207),

=6756﹣400,

=6356;

(181)+++,

=(+)+(+),

=1+2,

=3;

(182)﹣﹣,

=﹣(+),

=﹣7,

=

(183)++(+)

=++(+),

=+10,

=;

(184)﹣(+)

=﹣﹣,

=65﹣,

=;

(185)5﹣(﹣),

=5﹣,

=;

(186)+++,

=(+)+(+),

=2+4,

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