分数乘除法专项练习138题(有答案过程)ok

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分数乘除法专项练习138题(有答案)

(1)××,

(2)×22×,

(3)10××,

(4),

(5),

(6),

(7)

(8)×2.96÷2÷(1×1.48)×4,(9),(10)÷×,(11),(12)÷×,

(13)87×,

(14)×÷,

(15)×÷×,(16)××18×(17)7×13×(﹣)(18)×40

(19)×13×30

(20)××,

(21)÷

×,

(22)×[0.5÷(×)],(23)××,

(24)÷,

(25)÷6×,

(26)×÷,

(27)÷×,

(28)×4÷,

(29)÷÷,

(30)÷

×,

(31)×[÷(×)],(32)÷÷,(33)(+)÷,(34)÷0.2×,(35)×÷,(36)24××,(37)÷×,(38)36×(+),(39)+×,(40)÷(÷),(41)28×+28×,

(42)×÷,

(43)÷÷,

(44)÷÷,

(45)÷0.2×,(46)×16×,

(47)31×,

(48)××,

(49)×(﹣×),(50)×34×7×,(51)×48,

(52)××

(53)×÷

(54)÷×(55)÷×,(56),(57)××,(58)××,(59),(60)÷÷4,(61)÷5×,(62),(63)×21×,(64)÷0.6×,(65)××(66)××

(67)÷÷(68)××

(69)×

÷

(70)35÷(÷),(71)×÷,

(72)÷×,

(73)50×÷×,(74)98×,

(75)35÷(÷),

(76)×

×

(77)××39×55 (78)×(26×),(79)××13×11,(80)99×,

(81)78×,

(82),(83)÷×

(84)÷0.375×,(85)××

(86)××17 (87)

××

(88)×86,(89)÷14÷,

(90)×

÷,

(91)÷÷,(92)×25×40×,(93)

×÷

(94)

×÷×

(95)×

÷

(96)×10×,

(97)×

÷,

(98)÷2÷,

(99),

(100),

(101),

(102),

(103)

(104)9÷,

(105),

(106),

(107)×8÷,(108)÷÷,(109)××,(110)12÷×,(111)×÷,(112)÷×,(113)÷3÷,(114),(115)×21×,(116)÷×,(117)(﹣)÷,(118

),(119),(120),(121

),(122)××,(123)18÷12×2÷,(124)2.4×2×,(125)1÷(3÷1),

(126),

(127)÷×,(128)÷(÷),(129)×18×,(130)15,(131),(132)3×,(133),(134

),(135)

×,(136)

÷

(137)36÷(÷)(138)÷×.

参考答案:

(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)÷÷,

=2×,

=×,

=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,

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