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分数乘除法专项练习(附答案)

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分数乘除法专项练习138题(有答案)

(1)×

×

(7)

(2)×22×, (3)10××, (4), (5), (6),

8)×2.96÷2÷(1×1.48)×4,9),

10)÷×,

11),

12)÷×,

(13)87×,

(19)

×13×30

(14)×÷,

(20)××

(15)×÷×,

(16)××18×

(17)7×13×(﹣)

(18)×40

21)

÷

×

22)×[0.5÷(×

)],23)××

24)÷

(25)÷6×, (31)×[÷(×)],

(26)×÷, (32)÷÷,

(27)÷×, (28)×4÷, (29)÷÷, (30)÷×,

33)(+)÷,

34)÷0.2×,

35)×÷,

36)24××,

(37)÷×, (43)÷÷,

(38)36×(+), (44)÷÷,

(39)+×, (40)÷(÷), (41)28×+28×, (42)×÷,

45)÷0.2×,46)×16×,

47)31×,

48)××,

(49)×(﹣×), (55)÷×,

(50)×34×7×, (56),

(51)×48, (52)×× (53)×÷ (54)÷×

57)××,

58)××,

59),

60)÷÷4,

(61)÷5×, (67)÷÷

(62), (68)××

(63)×21×, ()÷0.6×, (65)×× (66)××

69)×÷

70)35÷(÷),71)×÷,72)÷×,

(79)

(73)50×÷

×

××13×11,

(80)99×

(74)98×

(75)35÷(÷),

(76)

×

×

(77)××39×55

(78)×(26×),

81)78×,

82)

83)

÷

×

84)÷0.375×,

(85)×× (92)×25×40×,

(86)××17

(93)

×÷

××

(87)

(88)×86, ()÷14÷, (90)×÷, (91)÷÷,

×÷×

94)

95)×÷

96)×10×,

97)×÷,

98)÷2÷,

(99), (106),

(100), (107)×8÷,

(101), (102), (103) , (104)9÷, (105),

108)÷÷,

109)××,

110)12÷×,

111)×÷,

112)÷×,

(113)÷3÷, (120),

(114), (121),

(115)×21×, (116)÷×, (117)(﹣)÷, (118), (119),

122)××,

123)18÷12×2÷,124)2.4×2×,

125)1÷(3÷1),

126),

(127)÷×, (133),

(128)÷(÷), (134),

(129)×18×, (130)15, (131), (132)3×,

135)×,

136)÷

137)36÷(÷)

138)÷×.

分数乘除法138题参:

(1)×

×

=×, =; (2)×22×, =×, =; (3)10××, =10×(×), =10×, =. (4), =15×, =6; (5)

=

×,

=

(6)

=14×,

=6.

=

(7)

(8)×2.96÷2

÷(1×1.48)×4

,=×2.96÷2÷1÷1.48×4, =×××××,

=(×

)×(

×

)×(

×

),

=×2×2, =; (9),

=, =, =2; (10)÷×, =××, =; (11), =÷(), =, =

××, =

(12)

÷×, =

××, =

(13)87×, =(1+86)×, =1×

+86×, =+3, =3;

(14)×

÷

=××,

=;

×÷×,

(15)

=××3×,

=()×(),

=1×,

=.

(16)××18×

=(×)×(18×),=×1,

=;

(17)7×13×(﹣)

=7×13×﹣7×13×,

=104﹣98, =6;

(18)×40

=×(39+1),

=×39+,

=38+,

=38.

(19)×13×30

=×30×13,

=4×13, =52;

(20)××

=; (21)÷×, =××, =; (22)×[0.5÷(×)], =×[÷], =×[×],

=×,

=;

(23)××

=

(24)÷

×

=

(25)÷6×

=

=

(26)×÷

=

=

(27)

÷×

=

=1.

(28)

×4÷

=30, =8; (29)÷÷, =(), =, =1.5; (30)

÷

×

=

=.

(31)×[÷(×

)],=×[÷],

=×1,

=;

(32)÷÷

=

, =1;

(33)(+

)÷

=(+

)×

, =

+

=

+1,

=4;

(34)

÷0.2×, =

×, =

5×,

=.

(35)×÷,

=××,

=;

(36)24××,

=24×(×),

=24×

=15;

(37)÷×,

=×8×,

=6×,

=;

(38)36×(+),

=36×+36×, =27+32, =59; (39)+×

=+,

=;

(40)÷(÷),=÷,

=;

(41)28×+28×,

=28×(),

=28×1, =28.

(42)×÷,

=××,

=×,

=

(43)÷

÷,

=12÷,

=16; (44)÷÷

=××, =,

(45)÷0.2×, =÷×, =×5×, =××5, =. (46)×16×, =××16, =3×16, =48; (47)31×

=(30+1)×, =30×+1×, =7+, =; (48)××,

=

=;

(49)×(﹣

×

),

=×(

),

=

=

(50)×34×7×

=(7)×(34×

),

=1×4, =4;

(51)

×48,

=471, =6, =6. (52)×× =, =; (53)×÷ =, =; (54)÷× =×, =×, =; (55)÷×, =

×

×

=;

(56)

=

×(47+1),

=

+

=6+

=6

(57)×

×,

=,

=

=;

(58)××,

=,

=,

=.

(59),=,

=;

(60)÷÷4,

=4,

=;

(61)÷5×,

=,

=;

(62)

=, =. (63)×21×, =, =; ()÷0.6×, =××, =; (65)×× =×, =;

(66)××

=;

(67)÷÷

=÷÷,

=÷,

=1;

(68)××=;

(69)

×

÷

=1

(70)35÷(÷),

=35÷(×),

=35÷

=35×, =;

(71)×÷, =××, =. (72)÷×, =××, =. (73)50×÷×,=50××500×, =1; (74)98×

=(97+1)×

=97×

+1×

=2+

=2

(75)35÷(÷),

=35÷

=

(76)

×

×

=

(77)

×

×39×55=150;(78)

×(26×

),

=

×26×

=6;

(79)

×

×13×11,

=(×11)×(×13),

=10×1, =10;

(80)99×,

=(98+1)×,

=98×+1×,

=5+,

=5.

(81)78×,

=78×(1﹣),

=78×1﹣78×, =78﹣13, =65; (82)

=×(26×),

=×2,

=.

(83)÷×

=××,

=;

(84)÷0.375×,

=××,

=,

=.

(85)×

×=;

(86)××17=5; (87)××=; (88)×86, =×(85+1), =×85+, =3+, =3; ()÷14÷, =×, =; (90)×÷, =×,

=;

(91)÷÷

=××

=×,

=3; (92)

×25×40×

=(40)×(25×), =22×9, =198.

(93)×÷

═1.5.

(94)×÷×=, (95)×÷=,

(96)×10×,

=15×, =3×8, =24;

(97)×÷, =, =; (98)÷2÷, =, =; (99), =, =0.3; (100)

=4

=5;

(101)

,=

=

(102)

=, =

(103)

,=, =1; (104)9÷, =9×

×,

=,

=5;

(105),

=×,

=;

(106),=×(×),

=6,

=.

(107)×8÷,

=

=2.5;

(108)÷÷,

=

=; (109)××,

=

=.

(110)12÷×,

=12××,

=;

(111)×÷,

=××,

=;

(112)÷

×

×

=;

(113)÷3÷,

=××,

=

(114)

,=,

=15. (115)

×21×

=,

=1; (116)

÷

×,

=

=

=

(117)(﹣)÷

=(﹣)×

=×﹣×

=4﹣2, =2. (118)

=

),

=,

=4; (119)

=(),

=

=

(120)

=(

)×,

=

=

(121)

=

=

(122)

×

×

=

=

=2

(123)18÷12×2÷

,=18×

×

×21,

=66;

(124)2.4×2

×

=2.4××

=0.8;

(125)1÷(3÷1),

=1÷3,

=.

(126)

,=10

=7×, =4.

(127)÷×,

=

×,

=

; (128)÷(÷

),

=

; (129)×18×,

=4×,

=3; (130)15

=

×,

=10; (131)

,=

=

=;

(132)3×

=

=3;

(133)

=

=; (134)

=

=.

(135)

×

=×,

=;

(136)÷

=××,

=;

(137)36÷(÷)

=36÷(×10), =36÷6, =6; (138)÷

×

=××,

=

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