(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,