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分数加减法简便运算136题(有答案)ok之欧阳家百创编

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分数加减法简便运算专项练习136

(1) ++﹣

(2) ﹣(﹣) (3) .(4) ﹣(﹣) (5)

+++

(6) +﹣+ (7) ﹣(+) (8) ﹣﹣ 题(有答案)

(9) ﹣+﹣.

(10) .

(11) 999+99+9+.

(12) ++++++++

(13)

﹣+﹣

(14) ﹣(﹣1)

(15) 2﹣﹣.

(16) ﹣0.4+﹣.

欧阳索引创编 2021.02.02

(17) . (18)

(19)

(20)

(21)

+﹣

(22)

1﹣﹣

(23)

+++

(24)

(25)

欧阳索引创编 2021.02.02

(26) +﹣

(27)

﹣(﹣)

(28)

++

(29) 3﹣

(30)

(31) 4﹣

(32)

.(33)

+(+)

(34)

﹣(+)

欧阳索引创编 2021.02.02

(35) +++. (36)

+++

(37)

+﹣

(38)

+﹣+

(39)

+(﹣)+

(40)

0.58++1.12+

(41)

11﹣﹣

(42)

(43) 3.5﹣﹣.

欧阳索引创编 2021.02.02

(44) +++﹣﹣.

﹣+﹣

(45)

(46)

﹣(+)

(47)

+++.

(48) 6﹣

﹣+

(49)

(50) ﹣(﹣)

(51)

+﹣

(52)

+++

欧阳索引创编 2021.02.02

(53) ﹣+﹣

(54) +++

(55)

8﹣﹣

(56)

+﹣+

(57) ﹣(+) (58) 2﹣﹣ (59) ﹣+ (60) +++ (61) ﹣(+) 欧阳索引创编(62)

1﹣﹣﹣﹣﹣

(63)

6﹣﹣

﹣+

()

﹣(﹣)

(65)

(66) ﹣(+)

(67) .

(68) 1﹣()﹣

.(69) ﹣(+)

2021.02.02

欧阳索引创编 2021.02.02

(70) ++

(71) ﹣(﹣) (72) +﹣+. (73) . (74) .(75) ﹣+ (76)

++

+(77)

(78)

+++

欧阳索引创编 2021.02.02

(79)

+2++3,

(80)++,

(81)+++,

(82) ,

(83)﹣(+),

(84)

(85)

(86)﹣+,

(87)

欧阳索引创编 2021.02.02

(88)+﹣+, (), (90)(2﹣1)﹣(1﹣2) (90)(2﹣1)﹣(1﹣2),(91)19.76﹣4﹣3, (92)8﹣8+2, (93)2.5×1.25×32,

(94)﹣+﹣, (95)﹣(﹣), 欧阳索引创编 2021.02.02

(96)1﹣,

(97)+,

(98),

(99),

(100),

(101)16×(1000+),

(102)2﹣,

(103)11+13+15+17+19+21,(104)

欧阳索引创编 2021.02.02

(105) (106)51.27﹣8.66﹣1.34

(107)32.5÷(0.05×50)

(108) (109). (110)++﹣ (111)﹣(﹣) (112)﹣(+) (113),欧阳索引创编 2021.02.02

(114)﹣(﹣),

(115)﹣(﹣),

(116)+++

(117)5+1+3+2+6+4+,(118)﹣+﹣,

(119)()﹣(1.375﹣)(120)+++

(121)+++++,

(122)++,

欧阳索引创编 2021.02.02

(123)+++, (124)++++, (125)﹣+, (126)5﹣﹣1, (127)+++, (128),(129)1﹣﹣, 参:

欧阳索引创编 2021.02.02

(130),

(131)﹣+﹣,

(132)﹣(﹣)

(133)5﹣﹣﹣,

(134)﹣(10﹣6)÷8,

(135)++

(136)+﹣+

欧阳索引创编 2021.02.02

(1)++﹣, =(+)+(﹣), =1+0, =1;

(2)﹣(﹣), =﹣+, =

(3)=()+(

+

),=7+9, =16

(4)﹣(﹣), =﹣, =;

(5)+++, =(+)+(+), =1+1, =2; (6)+﹣+

=(

+

)+(﹣),

=1+0, =1

(7)﹣(+),

=﹣﹣,

=,

=; (8)﹣﹣, =﹣(+), =﹣1, =

(9)﹣+﹣,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=(+)﹣(+), =1﹣1, =0.

(10)11﹣2+3﹣0.2, =11+3﹣(0.2+2), =15﹣(0.2+2.8), =15﹣3, =12

(11)999+99+9+, =(999+99+9)+×3+,

=[(1000﹣1)+(100﹣1)+(10﹣1)]+(+), =1110﹣3+3, =1110

(12)+++++

+

+

+

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

),=+++++(+)+(+)+(+)+(),=×3+(+)+(×3)+(+

2)+(

),

=1+1+1+1+1, =5; (13)﹣

+﹣

, =(+)﹣(+

), =﹣1, = (14)﹣(﹣1),

=﹣+1,

=+1, =1

(15)2﹣﹣, =2﹣(+), =2﹣1, =1 9.

﹣0.4+

﹣,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=﹣+﹣, =(

+

)﹣(+),

=1﹣1, =0

(16)=()+(

),

=2+3, =5.

(17)+++, =(+)+(+), =+1, =1; (18)4﹣﹣

=4﹣(+),

=4﹣1, =3; (19)+(+),

=++, =(

+)+,

=1+, =1. (20)+﹣, =+﹣

=

(21)1﹣﹣

=1﹣(+

),

=1﹣1, =0;

(22)﹣, =﹣, =;

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(23)+

++

, =(+)+(+),

=1+1, =2; (24)4﹣2﹣1, =4﹣2﹣1

=﹣

(25)7﹣(﹣),

=7﹣, =6

(26)+﹣, =﹣, =

(27)﹣(﹣), =﹣, =

(28)++, =(+)+, =1+, =1; (29)3﹣,

=3﹣﹣﹣, =(3﹣)﹣(+), =2﹣1, =1; (30)

, =(+)+(+), =1+1, =2;

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(31)4﹣﹣,

=3﹣, =3﹣,

=2

(32)1﹣+3﹣,

=1+3﹣(+

),

=5﹣1, =4

(33)+(+), =++, =1+, =1; (34)﹣(+),

=﹣﹣,

=﹣,

=;

(35)+++, =++(+), =1+1, =2. (36)+

++

, =(+)+(+),

=1+1, =2; (37)+﹣

=+(﹣),

=+, =

(38)+﹣+,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=(﹣)+(+), =

(39)+(﹣)+, =+﹣+, =(﹣)+(+), =+1, =1; (40)0.58+

+1.12+

, =(0.58+1.12)+(+),

=1.7+1, =2.7; (41)11﹣﹣

=11﹣(+),

=11﹣1, =10. (42),

=()﹣,

=1﹣, =; (43)3.5,

=3.5﹣(), =3.5﹣1, =2.5 (44)+++

﹣﹣, =(

+

)+(+)﹣(+

),=1+﹣, =1﹣,

=1

(45)﹣+﹣, =+﹣(+),

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=1﹣1, =0; (46)﹣(+

),

=

﹣﹣

=2﹣, =1

(47)+++, =++(+), =1+1, =2. (48)6﹣﹣

=6﹣(+),

=6﹣1, =5;

(49)﹣+, =+﹣, =1﹣, =;

(50)﹣(﹣), =﹣+, =+﹣, =1﹣, =; (51)+﹣, =

﹣+,

=1+, =1; (52)+

+

+, =(

+)+(

+),=1+1, =2;

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(53)﹣+

﹣,

=(

+)﹣(+),

=1﹣1, =0. (54)+++

=()+(+),

=1+, =1; (55)8﹣ =8﹣(), =8﹣, =7

(56)﹣ =()+(

),=0+1, =1; (57)()

=﹣,

=,

=0.

(58)2﹣﹣, =2﹣(+ ), =2﹣, =

(59)﹣+, =﹣(),

=﹣, =;

(60)+++,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=(+)+(),

=1, =

(61)﹣(+), =,

=,

=.

(62)1﹣﹣﹣﹣﹣

,=﹣﹣﹣﹣,

=﹣﹣﹣,

=﹣﹣, =﹣, =

(63)6﹣﹣

=6﹣(+

),

=6﹣1, =5; ()﹣+﹣,

=(

+)﹣(+),

=1﹣1, =0;

(65)﹣(﹣), =﹣+, =+﹣, =1﹣, =;

(66)﹣(+), =﹣﹣, =﹣,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=. (67), =1﹣+1﹣+1﹣+1﹣+1﹣

+1﹣

=6﹣

=6﹣, =

(68)1﹣(

)﹣

=1﹣+﹣+﹣+﹣+,

=(1﹣)+(﹣)+(﹣)+(﹣)+, =+0+0+0+, =

(69)﹣(+) =﹣, =

(70)++ =++, =1+, =1; (71)﹣()

=﹣+, =; (72)+﹣

+ =()+(+),

=0+1, =1. (73)+3

+

+1, =(

+3)+(

+1

),

=3+2,

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=5 (74)=

+

+

+

+

+

+

, +

+, =﹣+﹣+﹣+﹣+﹣+﹣+﹣+﹣+

=﹣,

=

(75),

=, =1

(76), =, =1+, =1; (77),

=, =

(78),

=,

=2+, =2

. (79)

+2

++3

, =(+)+(2+3),

=1+6, =7.

(80)++, =++, =1+, =1;

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(81)+

+

+, =(

+)+(

+),

=1+1, =2 (82) , =(+)+(+),

=1+2, =3; (83)﹣(+

), =﹣﹣,

=

﹣,

=1﹣, =. (84)

=(2+7)+(7+2

),

=10+10, =20; (85)

=(1+)+(2+)+(3+)+(4+)+(5+),=(1+2+3+4+5)+(++++), =15+(++++﹣), =15+(1++), =16+, =16

(86)﹣+, =+﹣, =1﹣, =. (87), =(

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=1

=1;

(88)+﹣+, =()+(

),

=0+1, =1; (), =()+(

),

=1+1, =2.

(90)(2﹣1)﹣(1﹣2) (90)(2﹣1)﹣(1﹣2),=2﹣1﹣1+2, =(2+2)﹣(1+1), =4﹣3, =1;

(91)19.76﹣4﹣3, =19.76﹣(4+3), =19.76﹣8, =11.76; (92)8﹣8

+2

=8+﹣(8+)+(2+),

=8+

﹣8﹣

+2+

, =(8﹣8+2)+(﹣+

),

=2+1, =3

(93)2.5×1.25×32, =2.5×1.25×4×8,

=(2.5×4)×(1.25×8), =10×10, =100.

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(94)﹣+

﹣,

=(

+)﹣(+),

=1﹣1, =0;

(95)﹣(﹣), =(+)﹣, =1﹣, =. (96)1﹣

=1﹣(+), =1﹣1, =0; (97)+, =(

=1﹣, =; (98), =()+(

),

=1+, =1. (99),=10﹣(5+4),

=10﹣9

=(9﹣9)+(1﹣), =

(100),=﹣+, =0+, =.

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(101)16×(1000+),

=16000+16×,

=16000+1, =16001; (102)2﹣, =2﹣()+(

),

=2﹣1,

=, =, =

(103).11+13+15

+17

+19

+21, =(11+13+15+17+19+21)+(++

+

++

),

=(11+21)×6÷2+(1﹣+﹣+﹣+﹣+﹣+),=96+(1﹣), =96+, =96. (104)

(105)

(106)51.27﹣8.66﹣1.34 (107)32.5÷(0.05×50) (108) (109).

(104)

=, =1+, =

(105) =,

=

欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

(106)51.27﹣8.66﹣1.34 =51.27﹣(8.66+1.34), =51.27﹣10, =41.27;

(107)32.5÷(0.05×50) =32.5÷, =,

=13; (108) =,

=,

=; (109)

=,

=

(110)++﹣ (111)

﹣(

(112)﹣(+) (110)++﹣, =(+)+(﹣), =1﹣0, =1; (111)﹣(﹣),

=(+)﹣

=1﹣, =

; (112)﹣(+), =﹣, =﹣,

=

(113)

,欧阳索引创编 2021.02.02

欧阳索引创编 2021.02.02

=()+(﹣)+(﹣)+…+(﹣),

=+﹣+﹣+…+﹣,

=﹣,

=

(114)﹣(﹣), =﹣(﹣),

=

=; (115)﹣(﹣),

=

+,

=1; (116)+

+

+ =(+)+(+

=1+

=1

(117)5+1+3+2+6+4+, =(5+2+4)+(1+6)+(3+), =12+8+4, =24 (118)﹣+﹣,

=+﹣

, =(+)﹣(+

), =1﹣1,

欧阳索引创编 2021.02.02

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