五年級數(shù)學(xué)(方程)專項練習(xí)題及答案

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案(1)x+65=140(2)x+90=152(3)x+87=110(4)x+54=72(5)x+18=79(6)x+50=110(7)x+92=94(8)x+94=116(9)x+85=139(10)x-20=19(11)x-65=29(12)x-9=80(13)x-38=19(14)x-53=40(15)x-49=38(16)x-38=30(17)x-11=19(18)x-64=18(19)x+2.7=12.1(20)x+0.9=9.2(21)x+4.5=11(22)x+3.4=8.7(23)x+4.7=6.7(24)x+2.7=10.6(25)x+7.5=10.8(26)x+9.9=15.7(27)x+0.4=2.8(28)x-3.6=2.4(29)x-4=4(30)x-5.8=4.1(31)x-0.3=9.5(32)x-0.4=3.5(33)x-2.9=2.1(34)x-1.4=8.1(35)x-2.2=2.4(36)x-4.9=2.7(37)23+x=45(38)41+x=93(39)13+x=68(40)69+x=115(41)72+x=109(42)48+x=118(43)68+x=80(44)72+x=153(45)9+x=31(46)87-x=85(47)60-x=29(48)81-x=20(49)44-x=18(50)81-x=22(51)81-x=69(52)95-x=47(53)42-x=30(54)82-x=55(55)2+x=4.8(56)6.3+x=13.2(57)3.3+x=12.2(58)5.8+x=12.6(59)2.4+x=9.5(60)0.4+x=1.8(61)7.6+x=12.6(62)1.3+x=1.7(63)7.7+x=15.8(64)9-x=5(65)5.8-x=2.4(66)4.6-x=2.5(67)8.6-x=6.3(68)5.8-x=4(69)7.9-x=6.6(70)9-x=7.8(71)3.5-x=1.1(72)7.4-x=1(73)13x=143(74)2x=126(75)8x=80(76)2x=194(77)16x=176(78)6x=108(79)11x=22(80)2x=12(81)5x=115(82)2.2x=13.2(83)2.5x=10(84)2.8x=19.6(85)1x=8(86)0.8x=19.2(87)0.5x=3.5(88)1.2x=15.6(89)0.2x=12.8(90)0.8x=14.4(91)10x=7(92)2x=14.6(93)4x=14(94)9x=1.8(95)3x=18(96)10x=6(97)35x=7(98)4x=7.2(99)26x=7.8(100)88÷x=11(101)160÷x=4(102)33÷x=11(103)28÷x=7(104)152÷x=8(105)146÷x=2(106)120÷x=3(107)135÷x=45(108)166÷x=2(109)2.4÷x=0.6(110)12÷x=2(111)3÷x=0.5(112)14.3÷x=1.3(113)18.5÷x=0.5(114)6.9÷x=0.3(115)4.2÷x=2.1(116)18.8÷x=0.2(117)13.3÷x=1.9(118)x÷52=2(119)x÷9=19(120)x÷6=22(121)x÷6=26(122)x÷5=30(123)x÷2=12(124)x÷8=20(125)x÷12=3(126)x÷38=4(127)x÷4=3.4(128)x÷13=0.7(129)x÷2=1.7(130)x÷2=3(131)x÷12=1.1(132)x÷20=0.7(133)x÷20=0.2(134)x÷5=3.2(135)x÷77=0.2(136)38x+26=216(137)4x+54=246(138)81x+31=193(139)15x+47=137(140)9x+27=135(141)7x+50=134(142)2x+13=123(143)8x+51=131(144)55x+12=177(145)2x-22=84(146)14x-42=112(147)86x-31=141(148)74x-54=94(149)3x-13=170(150)8x-41=111(151)3x-44=79(152)64x-57=71(153)25x-25=100(154)29x+4.9=22.3(155)9x+5.3=22.4(156)12x+4=13.6(157)9x+1.9=10.9(158)47x+5.4=19.5(159)12x+5.6=24.8(160)12x+5.9=21.5(161)97x+3.4=22.8(162)36x+2.4=13.2(163)0.3x+2.9=14.9(164)0.5x+5.7=7.2(165)0.9x+3.9=5.7(166)6x+5.6=23.6(167)1.7x+2.8=6.2(168)0.3x+2.7=3.9(169)2.2x+3.7=21.3(170)0.4x+5.7=9.7(171)0.2x+1.1=6.1(172)2x-3.6=6.6(173)24x-3.9=3.3(174)6x-2.7=11.1(175)7x-4=5.1(176)2x-3.9=4.5(177)75x-4.2=10.8(178)5x-1.8=14.7(179)6x-5.3=5.5(180)35x-1=9.5(181)1.9x-2.8=8.6(182)2.7x-1=9.8(183)0.7x-3.9=12.9(184)0.3x-2.3=11.8(185)1.4x-3.3=10.7(186)0.3x-5.9=6.7(187)0.6x-1.6=11(188)4.5x-4.8=4.2(189)0.4x-2.1=3.5(190)13+2x=93(191)75+5x=270(192)53+5x=158(193)41+2x=151(194)40+6x=106(195)86+49x=233(196)168+5x=368(197)122+7x=248(198)64+4x=244(199)179-11x=47(200)155-2x=27(201)143-3x=137(202)197-2x=125(203)178-7x=101(204)158-11x=15(205)138-2x=74(206)66-13x=14(207)163-4x=71(208)13.4+0.2x=25.2(209)6.1+0.3x=12.1(210)3.5+0.9x=14.3(211)15.2+0.2x=28.6(212)17.3+2.1x=21.5(213)18.2+0.4x=21.8(214)1.7+0.2x=11.5(215)3.9+0.8x=7.9(216)3.4+1.5x=22.9(217)19.3+22x=23.7(218)3.5+33x=13.4(219)2.1+17x=8.9(220)8.5+94x=27.3(221)15.7+2x=29.3(222)8.9+2x=28.1(223)18.9+67x=32.3(224)5.1+15x=17.1(225)8.9+3x=20.6(226)7.8-0.2x=4(227)11.5-0.2x=8.5(228)11.4-0.4x=9.4(229)16.5-2.7x=8.4(230)10.8-1.6x=2.8(231)8.5-0.3x=4.6(232)7.8-0.2x=5(233)9.5-1.5x=5(234)9.1-0.3x=4.9(235)5.6-14x=2.8(236)18.7-2x=18.3(237)9.8-6x=7.4(238)6.5-6x=4.1(239)13.4-22x=9(240)15.9-3x=12.6(241)13.4-12x=6.2(242)12.3-25x=2.3(243)18.9-49x=4.2(244)44x÷6=22(245)30x÷60=3(246)5x÷15=11(247)45x÷5=36(248)4x÷32=3(249)4x÷20=8(250)3x÷6=15(251)2x÷22=8(252)29x÷58=2(253)0.5x÷25=0.6(254)0.2x÷4=1.3(255)0.3x÷78=0.2(256)2.8x÷7=2(257)1x÷30=0.5(258)2x÷40=0.4(259)1.6x÷4=4(260)0.7x÷5=1.4(261)0.2x÷46=0.3(262)3x÷7=0.9(263)24x÷96=0.2(264)6x÷3=2.6(265)3x÷99=0.2(266)4x÷34=0.2(267)30x÷5=1.2(268)6x÷18=0.4(269)10x÷6=2(270)4x÷54=0.2(271)8x+6x=196(272)3x+4x=77(273)3x+2x=120(274)3x+6x=108(275)14x+5x=133(276)2x+13x=165(277)4x+14x=162(278)7x+18x=200(279)4x+18x=154(280)10x-7x=51(281)16x-5x=99(282)19x-5x=112(283)11x-2x=90(284)19x-8x=110(285)16x-7x=36(286)9x-7x=44(287)18x-10x=72(288)13x-11x=18(289)3.5x+5.7x=55.2(290)6.5x+5.8x=135.3(291)5.5x+7.8x=119.7(292)1.4x+0.2x=25.6(293)1.3x+2.1x=142.8(294)3.1x+0.6x=107.3(295)2.6x+0.5x=68.2(296)7.1x+6.3x=120.6(297)7.7x+1.8x=57(298)2.1x-1.8x=7.5(299)2.3x-0.4x=20.9(300)6.6x-2.9x=48.1(301)4.3x-0.2x=28.7(302)9.6x-2.2x=44.4(303)4.8x-0.5x=86(304)6x-3.6x=24(305)5x-0.7x=77.4(306)1.3x-0.4x=44.1(307)16x+12x+36=344(308)3x+10x+10=75(309)2x+5x+47=89(310)10x+4x+9=135(311)13x+10x+41=202(312)11x+13x+8=344(313)4x+8x+9=261(314)6x+4x+43=243(315)13x+14x+21=75(316)7x+13x-33=187(317)17x+8x-41=84(318)13x+9x-35=295(319)9x+6x-45=225(320)4x+3x-27=253(321)9x+6x-32=193(322)11x+13x-9=63(323)9x+2x-41=124(324)4x+5x-16=308(325)8x-6x+19=45(326)6x-3x+41=107(327)15x-2x+32=71(328)15x-12x+12=36(329)8x-5x+10=70(330)9x-7x+42=52(331)17x-14x+24=39(332)11x-5x+32=116(333)5x-2x+47=89(334)14x-7x-38=46(335)13x-5x-4=44(336)7x-4x-35=31(337)15x-3x-4=152(338)13x-10x-21=21(339)18x-4x-11=87(340)15x-9x-10=26(341)11x-9x-8=26(342)10x-4x-3=99(343)1.9x+8x+1.6=120.4(344)5.7x+4.3x+4.9=104.9(345)7.3x+0.8x+2.3=18.5(346)2.1x+3.4x+2.7=19.2(347)1.8x+1.1x+2.3=45.8(348)0.6x+0.8x+0.4=101.2(349)2.9x+4.1x+0.7=35.7(350)8x+6.8x+3.4=166.2(351)4.5x+8.5x+1.8=79.8(352)11x+57x+4.1=31.3(353)39x+62x+2.3=62.9(354)23x+85x+0.9=76.5(355)38x+16x+2.5=40.3(356)15x+42x+1.4=81.2(357)96x+98x+3=100(358)82x+86x+0.9=51.3(359)66x+27x+1.9=57.7(360)74x+87x+4.9=133.7(361)0.2x+1.9x-1.2=57.6(362)5.5x+3.7x-4.9=59.5(363)6x+6.2x-0.9=72.3(364)4.5x+0.3x-3.2=44.8(365)1.6x+2x-3.7=7.1(366)5.8x+2.3x-3.1=110.3(367)2x+5.7x-4.2=18.9(368)1.6x+4.7x-0.6=12(369)7.6x+1.4x-0.3=116.7(370)32x+13x-3.6=9.9(371)37x+57x-0.3=37.3(372)55x+54x-3.2=51.3(373)13x+5x-0.4=33.8(374)95x+48x-0.9=42(375)31x+91x-1.9=107.9(376)42x+21x-4.3=52.4(377)25x+28x-2.6=108.7(378)32x+6x-1.5=32.7(379)8.9x-3.2x+3=65.7(380)1x-0.6x+0.8=8(381)6.6x-5.2x+0.9=10.7(382)4.5x-1.5x+4.9=46.9(383)7.7x-3.3x+1.5=14.7(384)6.5x-4.7x+3.9=29.1(385)2.4x-1.8x+0.4=5.8(386)9.5x-4.6x+1=50(387)8.2x-2.3x+3.3=21(388)73x-4x+1.1=14.9(389)51x-30x+2.6=17.3(390)69x-67x+3.3=5.1(391)8x-3x+4.7=48.2(392)18x-2x+2.3=50.3(393)71x-44x+3.1=11.2(394)90x-13x+1.3=16.7(395)41x-33x+4.5=6.9(396)56x-46x+2.2=8.2(397)4.3x-3.1x-1.3=5.9(398)5.1x-3.8x-1.9=18.9(399)9.8x-0.9x-3.5=58.8(400)1.9x-0.2x-2.4=80.9(401)2.9x-1.8x-2.6=5.1(402)2.4x-2.1x-2.8=7.7(403)7.4x-2x-0.2=43(404)6.3x-3x-4.6=35(405)5.9x-2.7x-4.1=24.7(406)75x-64x-1.8=4.8(407)10x-2x-2.3=43.3(408)14x-6x-1.3=55.5(409)18x-8x-1.8=42.2(410)80x-42x-0.9=6.7(411)55x-27x-4.4=26.4(412)22x-6x-3=3.4(413)26x-18x-3.8=24.2(414)95x-12x-1=57.1(415)4x+15×3=205(416)6x+3×55=189(417)10x+6×5=70(418)2x+3×16=74(419)3x+25×4=106(420)10x+30×5=300(421)19x+62×3=262(422)14x+6×11=206(423)8x+3×50=222(424)7x-25×6=25(425)3x-2×14=98(426)8x-6×13=90(427)7x-3×6=17(428)21x-27×4=60(429)2x-11×3=129(430)2x-17×3=107(431)8x-5×28=28(432)2x-7×12=108(433)0.4x+0.2×4=14.4(434)0.7x+0.4×21=24.5(435)0.5x+2×2=7(436)0.2x+0.3×37=14.9(437)1.3x+1×12=14.6(438)0.7x+4.6×3=19.4(439)0.3x+0.2×29=13(440)0.8x+0.4×18=11.2(441)0.8x+0.5×21=24.9(442)6x+37×0.5=34.7(443)13x+5×1.9=13.4(444)20x+35×0.2=15(445)2x+28×0.4=18.4(446)6x+5×3.4=23(447)3x+4×4.7=23.3(448)8x+31×0.3=18.9(449)2x+41×0.2=16.8(450)39x+13×0.8=29.9(451)0.7x-2.2×4=1.7(452)0.6x-0.6×26=1.8(453)2.4x-0.2×18=1.2(454)0.6x-0.2×46=8.8(455)0.4x-0.6×3=1(456)0.5x-0.2×5=13.5(457)1.6x-1.5×3=5.1(458)0.8x-0.8×2=10.4(459)0.3x-1.7×4=5.8(460)48x-2×3.2=3.2(461)40x-5×3.6=2(462)3x-3×4.2=2.1(463)4x-25×0.5=3.5(464)47x-16×0.4=3(465)25x-3×2.1=8.7(466)15x-7×1.1=10.3(467)18x-5×1.4=9.2(468)7x-30×0.3=3.6(469)6(x+28)=186(470)3(3x+35)=195(471)2(13x+27)=184(472)2(7x+7)=182(473)2(2x+45)=170(474)2(12x+11)=118(475)2(5x+2)=184(476)2(5x+8)=116(477)6(x+14)=126(478)12(2x-35)=180(479)16(x-29)=192(480)16(7x-24)=176(481)4(7x-34)=60(482)13(6x-21)=195(483)3(4x-46)=90(484)4(x-22)=44(485)14(10x-48)=168(486)8(21x-28)=112(487)2(0.6x+5)=35.2(488)2(1.2x+5.3)=15.4(489)5(2.1x+3.4)=48.5(490)8(0.2x+0.7)=39.2(491)2(4.9x+0.5)=30.4(492)2(5.6x+0.5)=34.6(493)26(0.2x+0.8)=41.6(494)2(1.3x+1.5)=47.2(495)3(0.4x+0.7)=14.1(496)5(0.2x-5.2)=12(497)5(2.8x-1.3)=35.5(498)4(5.6x-7.5)=14.8(499)10(0.6x-5.4)=48(500)3(0.6x-1.6)=6(501)5(3.7x-5.9)=26(502)2(2.1x-4.5)=33(503)6(1.2x-8.6)=34.8(504)2(3.9x-1.4)=28.4(505)(x+22)÷34=1(506)(7x+34)÷5=32(507)(6x+18)÷2=93(508)(9x+30)÷5=33(509)(18x+44)÷7=14(510)(3x+5)÷2=40(511)(10x+25)÷45=1(512)(3x+6)÷3=22(513)(11x+42)÷21=13(514)(9x-21)÷5=48(515)(9x-26)÷13=7(516)(9x-28)÷19=8(517)(7x-31)÷6=24(518)(15x-6)÷8=3(519)(3x-19)÷7=2(520)(11x-16)÷8=20(521)(10x-42)÷3=66(522)(2x-10)÷44=1(523)(1.5x+5.4)÷9=1.1(524)(0.8x+0.9)÷3=2.7(525)(1.6x+4.6)÷22=1.3(526)(9.4x+9.8)÷10=8.5(527)(9.1x+4.5)÷9=9.6(528)(6.5x+7.4)÷2=16.7(529)(8.3x+4.9)÷4=11.6(530)(2.3x+1)÷8=5.3(531)(1.8x+8.6)÷28=0.5(532)(6.7x-3.8)÷26=1.4(533)(4.5x-1.7)÷37=1.9(534)(3.4x-5.2)÷6=3.1(535)(5.1x-2.2)÷13=6.5(536)(6.7x-2.9)÷2=22(537)(8.4x-3)÷5=7.8(538)(8.3x-7.8)÷21=2(539)(6.8x-4.4)÷2=14.8(540)(8.7x-4.4)÷13=1參考答案(1)x=75(2)x=62(3)x=23(4)x=18(5)x=61(6)x=60(7)x=2(8)x=22(9)x=54(10)x=39(11)x=94(12)x=89(13)x=57(14)x=93(15)x=87(16)x=68(17)x=30(18)x=82(19)x=9.4(20)x=8.3(21)x=6.5(22)x=5.3(23)x=2(24)x=7.9(25)x=3.3(26)x=5.8(27)x=2.4(28)x=6(29)x=8(30)x=9.9(31)x=9.8(32)x=3.9(33)x=5(34)x=9.5(35)x=4.6(36)x=7.6(37)x=22(38)x=52(39)x=55(40)x=46(41)x=37(42)x=70(43)x=12(44)x=81(45)x=22(46)x=2(47)x=31(48)x=61(49)x=26(50)x=59(51)x=12(52)x=48(53)x=12(54)x=27(55)x=2.8(56)x=6.9(57)x=8.9(58)x=6.8(59)x=7.1(60)x=1.4(61)x=5(62)x=0.4(63)x=8.1(64)x=4(65)x=3.4(66)x=2.1(67)x=2.3(68)x=1.8(69)x=1.3(70)x=1.2(71)x=2.4(72)x=6.4(73)x=11(74)x=63(75)x=10(76)x=97(77)x=11(78)x=18(79)x=2(80)x=6(81)x=23(82)x=6(83)x=4(84)x=7(85)x=8(86)x=24(87)x=7(88)x=13(89)x=64(90)x=18(91)x=0.7(92)x=7.3(93)x=3.5(94)x=0.2(95)x=6(96)x=0.6(97)x=0.2(98)x=1.8(99)x=0.3(100)x=8(101)x=40(102)x=3(103)x=4(104)x=19(105)x=73(106)x=40(107)x=3(108)x=83(109)x=4(110)x=6(111)x=6(112)x=11(113)x=37(114)x=23(115)x=2(116)x=94(117)x=7(118)x=104(119)x=171(120)x=132(121)x=156(122)x=150(123)x=24(124)x=160(125)x=36(126)x=152(127)x=13.6(128)x=9.1(129)x=3.4(130)x=6(131)x=13.2(132)x=14(133)x=4(134)x=16(135)x=15.4(136)x=5(137)x=48(138)x=2(139)x=6(140)x=12(141)x=12(142)x=55(143)x=10(144)x=3(145)x=53(146)x=11(147)x=2(148)x=2(149)x=61(150)x=19(151)x=41(152)x=2(153)x=5(154)x=0.6(155)x=1.9(156)x=0.8(157)x=1(158)x=0.3(159)x=1.6(160)x=1.3(161)x=0.2(162)x=0.3(163)x=40(164)x=3(165)x=2(166)x=3(167)x=2(168)x=4(169)x=8(170)x=10(171)x=25(172)x=5.1(173)x=0.3(174)x=2.3(175)x=1.3(176)x=4.2(177)x=0.2(178)x=3.3(179)x=1.8(180)x=0.3(181)x=6(182)x=4(183)x=24(184)x=47(185)x=10(186)x=42(187)x=21(188)x=2(189)x=14(190)x=40(191)x=39(192)x=21(193)x=55(194)x=11(195)x=3(196)x=40(197)x=18(198)x=45(199)x=12(200)x=64(201)x=2(202)x=36(203)x=11(204)x=13(205)x=32(206)x=4(207)x=23(208)x=59(209)x=20(210)x=12(211)x=67(212)x=2(213)x=9(214)x=49(215)x=5(216)x=13(217)x=0.2(218)x=0.3(219)x=0.4(220)x=0.2(221)x=6.8(222)x=9.6(223)x=0.2(224)x=0.8(225)x=3.9(226)x=19(227)x=15(228)x=5(229)x=3(230)x=5(231)x=13(232)x=14(233)x=3(234)x=14(235)x=0.2(236)x=0.2(237)x=0.4(238)x=0.4(239)x=0.2(240)x=1.1(241)x=0.6(242)x=0.4(243)x=0.3(244)x=3(245)x=6(246)x=33(247)x=4(248)x=24(249)x=40(250)x=30(251)x=88(252)x=4(253)x=30(254)x=26(255)x=52(256)x=5(257)x=15(258)x=8(259)x=10(260)x=10(261)x=69(262)x=2.1(263)x=0.8(264)x=1.3(265)x=6.6(266)x=1.7(267)x=0.2(268)x=1.2(269)x=1.2(270)x=2.7(271)x=14(272)x=11(273)x=24(274)x=12(275)x=7(276)x=11(277)x=9(278)x=8(279)x=7(280)x=17(281)x=9(282)x=8(283)x=10(284)x=10(285)x=4(286)x=22(287)x=9(288)x=9(289)x=6(290)x=11(291)x=9(292)x=16(293)x=42(294)x=29(295)x=22(296)x=9(297)x=6(298)x=25(299)x=11(300)x=13(301)x=7(302)x=6(303)x=20(304)x=10(305)x=18(306)x=49(307)x=11(308)x=5(309)x=6(310)x=9(311)x=7(312)x=14(313)x=21(314)x=20(315)x=2(316)x=11(317)x=5(318)x=15(319)x=18(320)x=40(321)x=15(322)x=3(323)x=15(324)x=36(325)x=13(326)x=22(327)x=3(328)x=8(329)x=20(330)x=5(331)x=5(332)x=14(333)x=14(334)x=12(335)x=6(336)x=22(337)x=13(338)x=14(339)x=7(340)x=6(341)x=17(342)x=17(343)x=12(344)x=10(345)x=2(346)x=3(347)x=15(348)x=72(349)x=5(350)x=11(351)x=6(352)x=0.4(353)x=0.6(354)x=0.7(355)x=0.7(356)x=1.4(357)x=0.5(358)x=0.3(359)x=0.6(360)x=0.8(361)x=28(362)x=7(363)x=6(364)x=10(365)x=3(366)x=14(367)x=3(368)x=2(369)x=13(370)x=0.3(371)x=0.4(372)x=0.5(373)x=1.9(374)x=0.3(375)x=0.9(376)x=0.9(377)x=2.1(378)x=0.9(379)x=11(380)x=18(381)x=7(382)x=14(383)x=3(384)x=14(385)x=9(386)x=10(387)x=3(388)x=0.2(389)x=0.7(390)x=0.9(391)x=8.7(392