沪教版数学五年级下册小数简便计算练习300题及答案

沪教版数学五年级下册小数简便计算练习300题及答案

(1)49.4X101-49.4(12)21.34-0.254-0.4

(2)33.4X99+33.4(13)5.04+3.2+7.8—8.04

(3)9.3X4X0.25(14)13.1X10-121X1

(4)45.62—(11.62+9.99)(15)19.03+6.26+3.74-2.03

(5)44.34-4-40.34-4(16)I.42X3.75-I3.2X0,375

(6)1.29+9.79+1.71(17)96.5X98

⑺2.8X1.66-180X0.0166(18)4.64X0.5+47.364-2

(8)21.8^-2.54-0.04(19)0.174-11.2+3.83

⑼51.5X102(20)1.75X34.2-0.4X34.2+8.65X34.2

(10)2.034-0.1254-0.8(21)24.44-5-14.44-5

(11)1.12+9.04-4.12(22)2.7X0.25+49.3+4

第1页共15页

(23)11.94+19.15-0.15-7.94(36)44.7X9.9

(24)19.2X0.25X4(37)3.75X0.25+20.254-4

(25)9.2X4X0.25(38)34.8X0.644-34.8X9.36

(26)13.09+10.02—0.09—2.02(39)2.78X12.6-277X0.126

(27)1.45+8.32+0.55(40)47.6X1.15-0.19X1.15+52.59X1.15

(28)22.1+0.25+0.4(41)3.12+17.16+0.84—3.12

(29)8.8+89.1-2.8(42)6.9X4X0.25

(30)2.68+5+22.32+5(43)41.5X2.93+9.8X2.93-41.3X2.93

(31)3.91X1.3-2.8X1.3-0.11X1.3(44)1.25X7.G8X0.8

(32)1.25X0.186X12.8X0.25(45)0.81X10.1

(33)1.924-12.54-0.08(46)1.25X0.952X64X0.25

(34)54.5X98(47)24.21+61.2-24.21

(35)0.634+(3.17X8)(48)48.9X37.2+6.5X37.2+44.6X37.2

第2页共15页

(49)16.6X0.96-0.02X0.96—15.58X0.96(62)4.34X24.2—4.34X14.2

(50)41.6X99+41.6(63)4.35X2.4+56.5X0.24

(51)0.29+9.29-0.29(64)9.54+14.1+3.9—5.54

(52)4.49X99+4.49(65)27.4—19.54+23.54

(53)1.25X2.29X0.8(66)13.9X2.5X4

(54)4.51+4+3.49+4(67)3.3X2.35—230X0.0235

(55)42-?0.1254-0.8(68)4.564-5+10.44H-5

(56)18.6+20.16—2.6+4.84(69)33—15.34+12.34

(57)49.2X99+49.2(70)4.88+4.28-6.28+0.12

(58)1.25X0.83X32X25(71)49.9X0.99

(59)1.25X0.847X3.2X2.5(72)24.2+125+8

(60)4.67X0.5+51.334-2(73)12.5X0.73X160X0.25

(61)2.72X0.25+33.28+4(74)1.18X10.1

第3页共15页

(75)23.9X101-23.9(88)8X9.1X0.125

(76)4.24X26.5+4.24X73.5(89)0.62X101-0.62

(77)10.6X33.7-960X0.337(90)33.9X0.25+22.1+4

(78)3.63+3.01—0.63(91)2.66X101

(79)13.38+19.38+4.62+6.62(92)4.85X1.01

(80)0.91+9.97+4.09(93)3.57X101-3.57

(81)30.9X0.46+0.79X0.46—30.69X0.46(94)17.74+41-13.74

(82)18.39+16.23+1.61+6.77(95)21.8X3.88+6.6X3.88—18.4X3.88

(83)7.4X1.74+7.4X8.26(96)1.25X3.85X0.8

(84)2.74+1.71+7.26-3.71(97)1.8X4.97+5.4X4.97+2.8X4.97

(85)43.9X99+43.9(98)10X3.11-2.3X3,114-2.3X3.11

(86)5.64+19.26+4.36—6.26(99)6.71+7.64+0.36-3.71

(87)48.2+0.25+0.04(100)0.58X17-48X0.17

第4页共15页

(101)8X7.45X0.125(114)96X0.125

(102)21.1X0.43+4.5X0.43—15.6X0.43(115)19.97+43.1-14.97

(103)34.5-20.13+16.13(116)4.33X42.9—0.43X42.9—2.9X42.9

(104)12.5-4.87+9.87(117)2.24X16.7-0.3X16.7-0.94X16.7

(105)37.9-(15.9+10.96)(118)44.7X22.1-0.89X22.1-33.81X22.1

(106)1.84-(0.09X4)(119)38.47-(7.47-5.22)

(107)49.3X0.5+18.7H-2(120)1.11X9.9

(108)96.6+(4.83X2)(121)8X2.51X1.25

(109)0.02X0.5+11.98H-2(122)37.6X0.5-33.64-2

(110)2.67+79.7+2.33(123)8X8.63X0.125

(111)26.2-3.07-3.93(124)33.2—14.08+17.08

(112)2.41+2.16+3.59(125)2.9+16.24-8.24-6.9

(113)3.99+0.12508(126)9.4+26.5—9.4

第5页共15页

(127)4.16X4.174-8X4.17—11.16X4.17(140)12.9+20.86-9.86+8.1

(128)3.2X1+3.2X9(141)19.5X102

(129)18.69+19.01+5.99—8.69(142)8X8.98X0.125

(130)4.78X99+4.78(143)18.36+99-16.36

(131)12.5X0.082X12.8X0.25(144)4.76X101-4.76

(132)13204-(13.2X4)(145)36X40.6—359X4.06

(133)1.25X0.23X6.4X25(146)24.6-4.2+9.2

(134)12.5X0.859X160X2.5(147)11.49+14.02+9.51+3.98

(135)14.7X101(148)15.4+4+2.6+4

(136)0.125X3.82X0.8(149)25.14-(13.14-7.27)

(137)4.57X1.01(150)9.39+8.2+2.61+8.8

(138)3.46X10.1(151)0.25X99

(139)36.2X9.9(152)4.8X99+4.8

第6页共15页

(153)3.87+4—1.87+4(166)1.25X9.55X8

(154)1.694-2.54-0.04(167)1.32X99+1.32

(155)27.8X4X0.25(168)42.8X9.4-328X0.94

(156)3.83X0.5+28.174-2(169)14.82+14.87+8.18—9.87

(157)31.7-6.44+11.44(170)18404-(18.4X4)

(158)20.99—(11.99+6.58)(171)91.6X0.25

(159)3.43X2.69+0.8X2.69+5.77X2.69(172)18.8X2,5X4

(160)3.88+9.24+0.12(173)8X9.21X1.25

(161)27.4X49.7一0.66X49.7一16.74X49.7(174)33.5X12.6-33.5X2.6

(162)124-4-44-4(175)28.4+25+4

(163)2X0.25X4(176)47.7X1.01

(164)9.5+25+4(177)2.81+3.28+2.19

(165)1.25X9.23X0.8(178)14.3+25+0.4

第7页共15页

(179)8.7X0.5+3.3+2(192)4.02X0.5+39.98-r2

(180)2.73X0.5+61.274-2(193)4.69X10.1

(181)13.1-4.76+6.76(194)15.65+17.6+5.35+7.4

(182)1.25X0.425X32X0.25(195)3.58X0.25+52.42+4

(183)0.38X49.5—0.38X48.5(196)0.12X101

(184)3.33+0.25+0.4(197)1.4X2.93+8X2.93+90.6X2.93

(185)2.64X5.2+0.35X5.2+7.01X5.2(198)8X5.72X0.125

(186)8.03+2.45—6.03+8.55(199)12.5X0.02X3.2X2.5

(187)4.08+1.43-1.08(200)35.3X35.6-9.1X35.6+73.8X35.6

(188)0.19+4+9.81+4(201)0.25X47.6

(189)0.06X9.9(202)10.18+19.38—1.18—10.38

(190)41.08-(15.08-8.98)(203)1.15X99+1.15

(191)1.25X0.551X9.6X0.25(204)8X3.75X0.125

第8页共15页

(205)0.04+3.38+2.96(218)23.5X4X0.25

(206)2.8X2.46—18X0.246(219)0.96X1.01

(207)16.75+88.4-12.75(220)12.12+8.91+5.88+9.09

(208)40.92-(18.92-9.57)(221)16.5X4.22+0.73X4.22+82.77X4.22

(209)8.9X0.5+11.14-2(222)30.1X10.1

(210)45.7+0.125+0.8(223)0.21X0.88+0.21X0.12

(211)9.88+9.5-1.88(224)12.5X0.918X160X2.5

(212)18.8X1.62-178X0.162(225)37X39.7-37X29.7

(213)2.91X101-2.91(226)17.5X99

(214)0.74+5+39.26+5(227)11.54+56.5-16.54

(215)3.32X19.3-0.21XI9.3+6.89X19.3(228)3.8X2.5X4

(216)44X0.25(229)19.4X20.9+3.4X20.9—21.8X20.9

(217)8X1.41X1.25(230)8X3.7X1.25

第9页共15页

(231)2.92X0.25+69.08+4(244)0.86+5.51+4.14

(232)10.15+17.94-1.15-1.94(245)16.63-(10.63-2.94)

(233)4.84X101-4.84(246)1.6X0.5+42.44-2

(234)6.1X0.5+57.9+2(247)2.18X0.32+2.18X9.68

(235)48.2+(4.82X4)(248)5.32+(2.66X2)

(236)2.85X0.5+41.15+2(249)35.1X4.99+0.15X4.99-25.25X4.99

(237)39.77-(9.77+3.46)(250)16.34-1254-0.08

(238)19304-(19.3X4)(251)1.75X99+1.75

(239)8X6.15X1.25(252)12.5X38.3X3.2X2.5

(240)21.1X4X0.25(253)4.7X35.9+0.99X35.9+4.31X35.9

(241)3.5X0.25+68.5+4(254)42.9X2.67-419X0.267

(242)067+4+17.33+4(255)10.9-9.03+3.03

(243)4.25+1.25+0.8(256)6.1X3.7-6.1X2.7

第10页共15页

(257)1.01X17.8-3.7X17.8+3.69X17.8(270)1.89X99+1.89

(258)7.9-19.32+16.32(271)1.25X0.399X32X2.5

(259)21.14-0.25-4-0.4(272)0.51X101

(260)0.125X3.25X0.8(273)0.21X4.7+0.63X4.7+0.16X4.7

(261)28.8X21.4-7.8X21.4+79X21.4(274)0.45X47.9—3.5X4.79

(262)4.74-5+0.34-5(275)12.5X0.35X32X25

(263)27.4-7.22+8.22(276)7.9X27.7-6.7X27.7+98.8X27.7

(264)2.37X10+76.3X1(277)2.55X0.5+77.45+2

(265)8X8.58X0.125(278)44.4X2.09+IX2.09+54.6X2.09

(266)16.2-1.73-5.27(279)0.125X8.98X8

(267)17.28+12.62+9.72+3.38(280)2.73X0.99

(268)3.88X3.01-3.88X2.01(281)31.5X98

(269)20.39+6.07-2.07+7.61(282)1.45+6.43—5.45

第11页共15页

(283)4.8-3.93+1.93(292)32.1X05+7.9-5-2

(284)3.29X101-3.29(293)0.44-0.254-0.4

(285)23.85+6—16.85(294)18.2X10.1

(286)2.14+19.5+3.5—9.14(295)9.7X99

(287)3.26X0.83一8.7X0.83+6.44X0.83(296)1.25X0.69X16X0.25

(288)3.85+4+14.15+4(297)38.3X3.49一0.88X3.49—27.42X3.49

(289)8X1.35X0.125(298)32.4-16.99+8.99

(290)7.19+57.4-8.19(299)43.55-(8.55-1.19)

(291)12.5X0.374X160X0.25(300)0.564-5+4.444-5

第12页共15页

沪教版数学五年级下册小数简便计算练习300题答案

(1)4940(21)2(41)18(61)9(81)0.46

(2)3340(22)13(42)6.9(62)43.4(82)43

(3)9.3(23)23(43)29.3(63)24(83)74

(4)24.01(24)19.2(44)7.08(64)22(84)8

(5)1(25)9.2(45)8.181(65)31.4(85)4390

(6)12.79(26)21(46)19.04(66)139(86)23

⑺1.66(27)10.32(47)61.2(67)2.35(87)4820

(8)218(28)221(48)3720(68)3(88)9.1

(9)5253(29)95.1(49)0.96(69)30(89)62

(10)20.3(30)5(50)4160(70)3(90)14

(11)6.04(31)1.3(51)9.29(71)49.401(91)268.66

(12)213(32)0.744(52)449(72)0.0242(92)4.8985

(13)8(33)1.92(53)2.29(73)365(93)357

(14)10(34)5341(54)2(74)11.918(94)45

(15)27(35)0.025(55)420(75)2390(95)38.8

(16)0.375(36)442.53(56)41(76)424(96)3.85

(17)9457(37)6(57)4920(77)33.7(97)49.7

(18)26(38)348(58)830(78)6.01(98)31.1

(19)15.2(39)0.126(59)8.47(79)44(99)11

(20)342(40)115(60)28(80)14.97(100)1.7

第13页共15页

(101)7.45(122)2(143)101(164)0.095(185)52

(102)4.3(123)8.63(144)476(165)9.23(186)13

(103)30.5(124)36.2(145)4.06(166)95.5(187)4.43

(104)17.5(125)4(146)29.6(167)132(188)2.5

(105)11.04(126)26.5(147)39(168)94(189)0.594

(106)5(127)4.17(148)4.5(169)28(190)34.98

(107)34(128)32(149)19.27(170)25(191)1.653

(108)10(129)35(150)29(171)22.9(192)22

(109)6(130)478(151)24.75(172)188(193)47.369

(110)84.7(131)3.28(152)480(173)92.1(194)46

(111)19.2(132)25(153)0.5(174)335(195)14

(112)8.16(133)46(154)16.9(175)0.284(196)12.12

(113)3.99(134)4295(155)27.8(176)48.177(197)293

(114)12(135)1484.7(156)16(177)8.28(198)5.72

(115)48.1(136)0.382(157)36.7(178)1.43(199)2

(116)42.9(137)4.6157(158)2.42(179)6(200)3560

(117)16.7(138)34.946(159)26.9(180)32(201)11.9

(118)221(139)358.38(160)13.24(181)15.1(202)18

(119)36.22(140)32(161)497(182)4.25(203)115

(120)10.989(141)1989(162)2(183)0.38(204)3.75

(121)25.1(142)8.98(163)2(184)33.3(205)6.38

第14页共15页

(206)2.46(225)370(244)10.51(263)28.4(282)2.43

(20