分数加减法简便运算136题(有答案)okWord格式文档下载.doc

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分数加减法简便运算136题(有答案)okWord格式文档下载.doc

(36)+++

(37)+﹣

(38)+﹣+

(39)+(﹣)+

(40)0.58++1.12+

(41)11﹣﹣.

(42) 

(43)3.5﹣﹣.

(44)+++﹣﹣.

(45)﹣+﹣

(46)﹣(+)

(47)+++.

(48)6﹣﹣ 

(49)﹣+

(50)﹣(﹣)

(51)+﹣

(52)+++

(53)﹣+﹣

(54)+++ 

(55)

8﹣﹣

(56)+﹣+

(57)﹣(+)

(58)2﹣﹣

(59)﹣+

(60)+++

(61)﹣(+)

(62)1﹣﹣﹣﹣﹣

(63)6﹣﹣

(64)﹣+﹣

(65)﹣(﹣)

(66)﹣(+)

(67).

(68)1﹣()﹣.

(69)﹣(+)

(70)++

(71)﹣(﹣)

(72)+﹣+.

(73).

(74).

(75)﹣+ 

(76)++

(77)﹣+

(78)+++

 (79)+2++3,

(80)++,

(81)+++,

(82) ,

(83)﹣(+),

(84)

(85)

(86)﹣+,

(87),

(88)+﹣+,

(89),

(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)﹣(﹣),

(96)1﹣,

(97)+,

(98),

(99),

(100),

(101)16×

(1000+),

(102)2﹣,

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

(104)

(105)

(106)51.27﹣8.66﹣1.34

(107)32.5÷

(0.05×

50)

(108)

(109).

(110)++﹣

(111)﹣(﹣)

(112)﹣(+)

(113),

(114)﹣(﹣),

(115)﹣(﹣),

(116)+++

(117)5+1+3+2+6+4+,

(118)﹣+﹣,

(119)()﹣(1.375﹣)

(120)+++

(121)+++++,

(122)++,

(123)+++,

(124)++++,

(125)﹣+,

(126)5﹣﹣1,

(127)+++,

(128),

(129)1﹣﹣,

(130),

(131)﹣+﹣,

(132)﹣(﹣)

(133)5﹣﹣﹣,

(134)﹣(10﹣6)÷

8,

(135)++

(136)+﹣+

参考答案:

 

(1)++﹣,

=(+)+(﹣),

=1+0,

=1;

(2)﹣(﹣),

=﹣+,

=

(3),

=()+(+),

=7+9,

=16

(4)﹣(﹣),

=﹣,

=;

(5)+++,

=(+)+(+),

=1+1,

=2;

(6)+﹣+,

=1 

(7)﹣(+),

=﹣﹣,

=,

(8)﹣﹣,

=﹣(+),

=﹣1,

(9)﹣+﹣,

=(+)﹣(+),

=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)﹣+﹣,

(14)﹣(﹣1),

=﹣+1,

=+1,

(15)2﹣﹣,

=2﹣(+),

=2﹣1,

=1

9.﹣0.4+﹣,

=﹣+﹣,

=0

(16),

=()+(),

=2+3,

=5.

(17)+++,

(18)4﹣﹣,

=4﹣(+),

=4﹣1,

=3;

(19)+(+),

=++,

=(+)+,

=1+,

=1.

(20)+﹣,

=+﹣,

(21)1﹣﹣,

=1﹣(+),

=0;

(22)﹣,

(23)+++,

(24)4﹣2﹣1,

=4﹣2﹣1,

=﹣;

(25)7﹣(﹣),

=7﹣,

=6.

(26)+﹣,

(27)﹣(﹣),

(28)++,

(29)3﹣,

=3﹣﹣﹣,

=(3﹣)﹣(+),

(30),

(31)4﹣﹣,

=3﹣,

=2,

(32)1﹣+3﹣,

=1+3﹣(+),

=5﹣1,

=4

(33)+(+),

(34)﹣(+),

(35)+++,

=++(+),

=2.

(36)+++,

(37)+﹣,

=+(﹣),

=+,

(38)+﹣+,

=(﹣)+(+),

(39)+(﹣)+,

=+﹣+,

(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+﹣,

(45)﹣+﹣,

=+﹣(+),

(46)﹣(+),

=2﹣,

(47)+++,

(48)6﹣﹣,

=6﹣(+),

=6﹣1,

(49)﹣+,

(50)﹣(﹣),

(51)+﹣,

(52)+++,

(53)﹣+﹣,

(54)+++

(55)8﹣

=8﹣(),

=8﹣,

=7;

(56)﹣

=0+1,

(57)()

(58)2﹣﹣,

=2﹣(+),

(59)﹣+,

=﹣(),

(60)+++,

=(+)+(),

=1,

(61)﹣(+),

=.

(62)1﹣﹣﹣﹣﹣,

=﹣﹣﹣﹣,

=﹣﹣﹣,

(63)6﹣﹣,

(64)﹣+﹣,

(65)﹣(﹣),

(66)﹣(+),

(67),

=1﹣+1﹣+1﹣+1﹣+1﹣+1﹣,

=6﹣﹣﹣,

=6﹣,

(68)1﹣()﹣,

=1﹣+﹣+﹣+﹣+,

=(1﹣)+(﹣)+(﹣)+(﹣)+,

=+0+0+0+,

(69)﹣(+)

(70)++

(71)﹣()

(72)+﹣+

(73)+3++1,

=(+3)+(+1),

=3+2,

=5

(74),

=++++++++,

=﹣+﹣+﹣+﹣+﹣+﹣+﹣+﹣+﹣,

(75),

(76),

(77),

(78),

=2+,

(79)+2++3,

=(+)+(2+3),

=1+6,

=7.

=2

=1+2,

=(2+7)+(7+2),

=10+10,

=20;

=(1+)+(2+)+(3+)+(4+)+(5+),

=(1+2+3+4+5)+(++++),

=15+(++++﹣),

=15+(1++),

=16+,

=16;

=(),

=2﹣1﹣1+2,

=(2+2)﹣(1+1),

=4﹣3,

=19.76﹣(4+3),

=19.76﹣8,

=11.76;

=8+﹣(8+)+(2+),

=8+﹣8﹣+2+,

=(8﹣8+2)+(﹣+),

=2+1,

=2.5×

=(2.5×

4)×

(1.25×

8),

=10×

10,

=100.

=(+)﹣,

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