分数乘除法专项练习题有答案.docx

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分数乘除法专项练习题有答案.docx

分数乘除法专项练习题有答案

小学数学专项训练

分数乘除法专项练习138题(有答案)

 

(1)××,

(10)÷×,

(2)×22×,

(11)

(3)10××,

(12)÷×,

(4)

(13)87×

(5)

(14)×

÷

(6)

(15)×÷×,

(16)×

×18×

(7)

(17)7×13×(

﹣)

(8)×2.96÷2÷(1

×1.48)×4

 

(18)×40

 

(9),

 

(19)×13×30

小学数学专项训练

(20)××,

(32)÷÷,

(21)

÷

×

(33)(+)÷

(22)×[0.5

÷(×

)],

(34)

÷0.2×,

(23)××,

(35)×÷,

(24)÷

(36)24××,

(25)÷6×,

(37)÷×,

(26)×÷

(38)36×(+

),

(27)÷×,

(39)+×,

(28)×4÷,

(40)÷(÷),

(29)

÷÷

(41)28×+28×,

(30)

÷

×

(31)×[÷(×)],

(42)×÷,

小学数学专项训练

(43)÷÷,

(55)÷×,

(44)÷÷

(56)

(45)

÷0.2×,

(57)×

×,

(46)×16×,

(58)××,

(47)31×

(59)

(48)××,

(60)÷÷4,

(49)×(﹣×),

(61)÷5×,

(50)×34×7×,

(62)

(51)×48,

(63)×21×,

(52)×

×

(64)

÷0.6×,

(53)×

÷

(65)

××

(54)÷×

(66)

×

×

 

(67)÷÷

 

(68)××

 

(69)×÷

 

(70)35÷(÷),

 

(71)×÷,

 

(72)÷×,

 

(73)50×÷×,

 

(74)98×,

 

(75)35÷(÷),

 

(76)××

 

(77)××39×55

 

(78)×(26×),

小学数学专项训练

 

(79)××13×11,

 

(80)99×,

 

(81)78×,

 

(82),

 

(83)÷×

 

(84)÷0.375×,

 

(85)××

 

(86)××17

 

××

(87)

小学数学专项训练

(88)×86,

(98)÷2÷,

(89)÷14÷,

(99)

(90)

×

÷,

(100)

(91)

÷÷

(101)

(92)

×25×40×,

(102)

(93)

×

÷

(103)

(94)

×÷

×

(104)9÷

(95)

×

÷

(105)

(96)×10×,

(106)

 

(97)×÷,

小学数学专项训练

(107)×8÷

(117)(﹣)÷

(108)÷÷

 

(118)

(109)××,

(119)

 

(110)12÷×,

 

(120),

 

(111)×÷,

 

(121),

 

(112)÷×,

 

(122)××,

 

(113)÷3÷,

 

(123)18÷12×2÷,

 

(114),

 

(124)2.4×2×,

 

(115)×21×,

 

(125)1÷(3÷1),

 

(116)÷×,

小学数学专项训练

 

(126),

 

(133),

 

(127)÷×,

 

(134),

 

(128)÷(÷),

 

(135)×,

 

(129)×18×,

 

(136)÷

 

(130)15,

 

(137)36÷(÷)

 

(131),

 

(138)÷×.

 

(132)3×,

小学数学专项训练

 

参考答案:

 

(1)

××

=(

×

)×(

×

)×(

×),

(14)×

÷,

=

×,

=

×2×2,

=××,

=

=

=

(2)

×22×,

(9)

(15)

×÷×,

=×,

=

=××3×,

=

=

=(

)×(

),

(3)10××

=2;

=1×,

=10×(

×

),

(10)

÷

×

=

=10×

=

××

(16)

×

×18×

=

=

=(

×

)×(18×

),

(4)

(11)

=×1,

=15×,

=

÷(

),

=

=6;

=

(17)7×13×(﹣

(5)

=

××,

=7×13×﹣7×13×,

=

×,

=104﹣98,

=

=6;

=

(12)

÷×,

(18)×40

(6)

=

×

×,

=

×(39+1),

=14×,

=6.

=

=

×39+

=

(13)87×

=38+

(7)

 

=(1+86)×

=38

(8)×2.96÷2

÷(1×1.48)×4

,=1×+86×

(19)

×13×30

 

=

×2.96÷2

÷1

÷1.48×4

=

+3,

=×30×13,

=

××

×

××

=3

=4×13,

=52;

小学数学专项训练

 

(20)××

(28)

×4÷,

=

5×,

=

=30

=

(21)

÷×,

=8;

(35)×÷

=

××,

(29)

÷÷,

=××,

=

=

),

=

(22)

×[0.5÷(×)],

=

(36)24××

=

×[

÷],

=1.5;

=24×(

×

),

(30)

÷

×

=

×[

×],

=24×

=

=15;

=

×,

=

(37)

÷

×,

=

(31)×[

÷(×)],

=×8×,

(23)

××

=

×[

÷],

=6×,

=

=

×1,

=

(24)

÷

=

(38)36×(

+

),

=

×

×,

(32)

÷÷

=36×+36×,

=

=27+32,

=

=59;

(25)

÷6×

=

×

(39)

=

=1

=

+

=;

(33)(

+)÷

=

(26)

×÷

=(+

)×

(40)

÷(÷

),

=

=

+

=

÷,

=

=

+1,

=

(27)

÷×

=4

(41)28×+28×

=

(34)

÷0.2×

=28×(

),

=1

=28×1,

=

×,

=28.

小学数学专项训练

 

(42)×÷,

 

=××,

 

=×,

 

=

 

=;

 

(49)

 

=×(

 

,×(

 

 

),

 

×),

 

=××

 

=;

 

(56)

 

=×(47+1),

 

 

=;

=

=

+

(43)÷

÷

=

=6+,

=12÷,

=16;

(50)×34×7×

=6

(44)

÷

÷

=(

7)×(34×

),

(57)×

×

=

××

=1×4,

=

=4;

=

(51)

×48,

=

(45)

÷0.2×

=

47

1,

=

=

÷×,

=6

(58)××

=

×5×,

=6

=

=

××5,

(52)××

=

=

=

=

(46)×16×

=;

(59)

=××16,

(53)×÷

=

=3×16,

=

=

=48;

(47)31×

=;

(60)÷÷4,

=(30+1)×

(54)÷×

=

4,

=30×

+1×,

=

×,

=

=7+

=×,

(61)÷5×

=

=

=

(48)××,

(55)÷×

=

小学数学专项训练

 

(62)

=35÷

(79)×

×13×11,

=

=35×

=(

×11)×(

×13),

=

=

=10×1,

=10;

(63)×21×

(71)×÷

(80)99×

=

=

×

×,

=(98+1)×

=

=

=98×

+1×

(64)

÷0.6×,

(72)÷×

=5+

=

×

×,

=

××,

=5

=

=

(81)78×,

(65)

××

(73)50×÷

×

=78×(1﹣),

=

×,

=50××500×

=78×1﹣78×,

=1;

=78﹣13,

=;

(74)98×

=65;

(66)

×

×

(82)

=(97+1)×

=

=

×(26×

),

=97×

+1×

(67)÷÷

=

×2,

=2+

=

÷

÷,

=

=2

=

÷,

(83)

÷

×

(75)35÷(

÷

),

=1

=

××

=35÷

(68)

××=

=

=

(69)

×

÷

(84)

÷0.375×

(76)

×

×

=;

=

÷

=

××,

(77)

×

×39×55=150;

=1

=

(78)

×(26×

),

(70)35÷(

÷

),

=

=

×26×

=35÷(

×

),

=6;

小学数学专项训练

 

(85)×

×=;

(96)×10×,

=9××,

(86)

×

×17=5;

=15×,

=

(87)

××=;

=3×8,

=5

=24;

(88)

×86,

(97)

×÷,

(105)

=

×(85+1),

=

=

×

=

×85+

=;

=

=3+

(98)

÷2÷,

(106)

=3

=

=

×(

×

),

(89)

÷14÷,

=;

=

6,

=

×

(99)

=

=

=

(107)×8÷

 

(90)

×

÷,

=0.3;

=

(100)

=2.5;

=

×,

=4

(108)

÷÷

=

=5

=

(91)

÷÷

(101)

=

=

××

=

(109)××

=

×

=3;

=

=

(92)

×25×40×,

(102)

=

=(

40)×(25×

),

=

(110)12÷×

=22×9,

=

=12××,

=198.

(93)

×

÷

═1.5.

(103)

=

(94)

×÷

×=

=

(111)

×÷

(95)

×÷=,

=1;

=

××,

(104)9÷

=

小学数学专项训练

(112)

÷

×

=

=4.

(127)÷×

=

×

×

=

=

×,

=

(120)

=

(113)

÷3÷,

=(

)×

(128)

÷(

÷),

=

××,

=

=

÷

=

=

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