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
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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,
=
2×
,
=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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