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,