五年级数学(方程)专项练习题及答案

五年级数学(方程)专项练习题及答案(1)x+26=95(2)x+77=157(3)x+98=169(4)x+81=116(5)x+77=103(6)x+98=160(7)x+79=159(8)x+46=142(9)x+65=82(10)x-45=12(11)x-21=70(12)x-7=63(13)x-9=78(14)x-48=46(15)x-33=53(16)x-30=17(17)x-13=43(18)x-39=26(19)x+9.4=16.2(20)x+3.2=6.9(21)x+4.8=12.3(22)x+4.9=10(23)x+4.2=12.4(24)x+3.1=6.1(25)x+7.7=8.1(26)x+7=16(27)x+4.8=11.2(28)x-3.9=4.7(29)x-0.9=5.5(30)x-3.1=5.6(31)x-0.5=4.8(32)x-3.9=5.6(33)x-1=7.5(34)x-5.5=1.1(35)x-4.5=5.1(36)x-0.7=4.7(37)40+x=79(38)8+x=76(39)94+x=186(40)2+x=33(41)51+x=74(42)14+x=70(43)91+x=124(44)59+x=84(45)19+x=116(46)75-x=22(47)66-x=16(48)95-x=70(49)19-x=16(50)70-x=59(51)63-x=30(52)97-x=12(53)67-x=32(54)96-x=84(55)1.3+x=3.7(56)7.8+x=13.5(57)9+x=13.7(58)4+x=4.5(59)5.9+x=6.4(60)8.9+x=16.6(61)7.6+x=13(62)1.6+x=7.8(63)6.9+x=15.3(64)7.7-x=4.7(65)6.2-x=5.9(66)9-x=5.4(67)7.7-x=2.3(68)5.5-x=3.9(69)5.3-x=3.4(70)4.2-x=2.8(71)5.4-x=4(72)4.4-x=1.9(73)7x=91(74)32x=64(75)15x=180(76)2x=116(77)6x=108(78)2x=82(79)2x=190(80)11x=77(81)3x=117(82)2x=4(83)0.4x=7.2(84)0.5x=2(85)1.9x=9.5(86)5.5x=16.5(87)1x=17(88)2.8x=5.6(89)2.6x=5.2(90)1x=3(91)11x=19.8(92)19x=17.1(93)13x=13(94)7x=4.2(95)3x=0.6(96)2x=7.2(97)6x=19.2(98)2x=5.2(99)2x=11.2(100)72÷x=9(101)90÷x=18(102)56÷x=28(103)52÷x=4(104)170÷x=17(105)108÷x=18(106)88÷x=8(107)117÷x=3(108)48÷x=6(109)16.2÷x=0.2(110)7.2÷x=3.6(111)16.4÷x=0.2(112)9.6÷x=0.8(113)3÷x=1(114)18÷x=1.5(115)4÷x=0.4(116)5÷x=0.2(117)9.3÷x=3.1(118)x÷26=6(119)x÷24=2(120)x÷17=2(121)x÷51=3(122)x÷31=2(123)x÷27=4(124)x÷28=6(125)x÷11=12(126)x÷5=31(127)x÷33=0.6(128)x÷16=0.2(129)x÷47=0.3(130)x÷6=1.7(131)x÷28=0.3(132)x÷3=2(133)x÷3=3.8(134)x÷17=0.3(135)x÷50=0.3(136)2x+25=221(137)3x+59=98(138)20x+34=154(139)2x+25=97(140)13x+36=101(141)38x+39=229(142)8x+18=186(143)8x+14=214(144)38x+32=222(145)3x-40=20(146)3x-50=22(147)28x-17=123(148)6x-31=83(149)2x-23=123(150)3x-33=69(151)49x-17=179(152)3x-54=126(153)20x-44=56(154)11x+2.4=22.2(155)3x+5.4=18.3(156)2x+4.8=20.6(157)74x+4.1=18.9(158)6x+3.6=15.6(159)97x+5.1=24.5(160)86x+1.2=18.4(161)18x+4.3=7.9(162)9x+5.6=12.8(163)0.5x+2.5=6(164)3x+4.4=22.4(165)2x+3.3=19.3(166)0.4x+2=5.2(167)1.5x+1=13(168)0.4x+4.2=11(169)1.1x+5.7=7.9(170)1.8x+4.2=16.8(171)1x+5.6=17.6(172)5x-2.5=12(173)98x-3=16.6(174)6x-1.7=16.9(175)3x-2.1=6(176)21x-2.6=16.3(177)20x-3.1=4.9(178)19x-2.4=12.8(179)65x-3.6=15.9(180)41x-4.5=11.9(181)0.5x-3.8=8.7(182)2.5x-4.9=5.1(183)0.9x-4=7.7(184)1.8x-1.4=5.8(185)1.2x-1.5=9.3(186)1x-5.5=12.5(187)9.6x-3.7=15.5(188)2x-4.9=13.1(189)6.7x-1=12.4(190)96+8x=192(191)133+4x=261(192)72+2x=192(193)120+41x=243(194)69+29x=214(195)186+38x=262(196)43+25x=243(197)11+5x=181(198)56+2x=62(199)163-8x=123(200)114-31x=52(201)172-2x=136(202)128-20x=28(203)178-2x=146(204)164-8x=20(205)109-7x=74(206)173-2x=69(207)139-2x=43(208)6.5+0.5x=8.5(209)14.2+0.2x=23.6(210)8.1+0.8x=27.3(211)2.4+1.1x=5.7(212)14.2+0.5x=16.7(213)2.9+0.6x=4.7(214)12+0.5x=30.5(215)9.9+0.6x=18.9(216)19.1+2.2x=32.3(217)18+55x=29(218)4.6+3x=11.8(219)7.3+2x=7.9(220)17.5+3x=26.8(221)13.4+17x=32.1(222)17.1+44x=25.9(223)16.5+24x=23.7(224)2.1+3x=20.1(225)15.7+27x=21.1(226)18.1-2.1x=1.3(227)15.9-2.1x=3.3(228)6.6-0.2x=1.2(229)13.1-0.2x=10.9(230)12.7-5.5x=1.7(231)16.9-0.3x=10.9(232)15.2-0.7x=3.3(233)15.7-4.5x=2.2(234)11-0.7x=9.6(235)10.6-2x=8.6(236)14.9-61x=2.7(237)9.5-12x=1.1(238)18.2-2x=17.6(239)13.8-10x=8.8(240)12.7-52x=2.3(241)15.2-48x=5.6(242)11.9-4x=1.1(243)19.7-12x=4.1(244)8x÷3=40(245)10x÷60=3(246)25x÷30=5(247)8x÷6=24(248)9x÷21=6(249)12x÷6=10(250)27x÷63=3(251)2x÷27=4(252)50x÷10=15(253)2.7x÷9=0.6(254)0.4x÷12=1.6(255)0.2x÷4=1.3(256)0.5x÷16=1(257)0.8x÷4=1.8(258)0.2x÷4=2.6(259)4x÷16=0.5(260)5.4x÷9=1.2(261)1.4x÷4=2.1(262)87x÷58=0.3(263)26x÷13=0.6(264)27x÷12=0.9(265)18x÷36=0.2(266)7x÷63=0.2(267)6x÷18=0.7(268)22x÷18=1.1(269)2x÷29=0.4(270)11x÷22=0.4(271)6x+11x=306(272)5x+8x=286(273)6x+5x=99(274)14x+5x=38(275)5x+16x=147(276)17x+6x=230(277)11x+10x=84(278)14x+6x=240(279)17x+10x=162(280)9x-4x=35(281)17x-7x=100(282)9x-5x=68(283)6x-2x=96(284)6x-2x=48(285)11x-4x=84(286)17x-5x=132(287)7x-2x=20(288)12x-5x=21(289)5.8x+2.8x=17.2(290)3.7x+1.1x=81.6(291)1.3x+2.3x=90(292)0.5x+0.6x=64.9(293)9.6x+1.1x=32.1(294)1x+4.6x=84(295)6.5x+7.3x=27.6(296)0.9x+0.3x=19.2(297)1.8x+7.5x=18.6(298)3x-1.5x=7.5(299)7x-2.3x=56.4(300)3.6x-3x=15.6(301)3.9x-1.9x=20(302)3.6x-3.4x=3(303)9x-1.1x=71.1(304)4.5x-1x=14(305)9.2x-6.8x=14.4(306)5.2x-1.1x=73.8(307)18x+11x+20=165(308)17x+2x+34=129(309)6x+7x+10=257(310)4x+11x+2=92(311)15x+16x+18=204(312)7x+11x+42=132(313)15x+3x+35=215(314)7x+11x+22=292(315)15x+8x+5=97(316)16x+19x-30=215(317)12x+4x-39=121(318)5x+6x-18=345(319)4x+5x-41=301(320)13x+18x-41=145(321)9x+6x-42=273(322)4x+11x-10=20(323)12x+8x-7=293(324)8x+10x-47=205(325)4x-2x+27=83(326)11x-2x+24=168(327)8x-3x+4=99(328)11x-2x+11=101(329)19x-14x+32=52(330)12x-5x+39=137(331)13x-8x+45=60(332)11x-5x+23=41(333)17x-10x+38=59(334)17x-7x-3=97(335)9x-3x-35=37(336)16x-3x-7=84(337)16x-6x-8=12(338)18x-3x-48=12(339)12x-3x-41=58(340)16x-9x-5=37(341)15x-3x-14=130(342)19x-10x-32=13(343)3.5x+2.3x+0.5=122.3(344)8.8x+5x+0.6=83.4(345)9.4x+9.8x+1.8=117(346)8.5x+5.9x+2.6=146.6(347)2.3x+3.9x+4.2=29(348)2.9x+6.6x+2.2=144.7(349)6.8x+0.6x+4.3=85.7(350)2.8x+0.5x+1=14.2(351)0.6x+3x+0.6=54.6(352)95x+67x+1.6=50.2(353)50x+65x+2.8=25.8(354)18x+25x+0.8=30.9(355)83x+97x+4.1=112.1(356)23x+68x+1.6=38(357)2x+23x+4.4=66.9(358)90x+97x+3.3=78.1(359)37x+15x+1.5=141.9(360)75x+93x+3.4=121(361)8.2x+9.7x-4.8=156.3(362)1.8x+6.5x-4=20.9(363)1.1x+0.9x-1.1=176.9(364)8.1x+5.2x-3.3=143(365)9.9x+9.4x-1.2=95.3(366)1.2x+0.3x-0.3=80.7(367)3.2x+2.4x-1.4=37.8(368)4.9x+4.6x-1.8=55.2(369)5.1x+3.5x-4.8=12.4(370)41x+39x-0.7=15.3(371)29x+28x-2.8=42.8(372)98x+20x-1.3=69.5(373)36x+54x-0.4=53.6(374)10x+8x-1.6=27.2(375)54x+30x-0.8=83.2(376)3x+22x-3.3=31.7(377)73x+46x-2.6=45(378)4x+3x-1=42.4(379)1.7x-0.7x+0.5=37.5(380)8x-4.8x+1.9=17.9(381)7.8x-1.9x+1.9=13.7(382)7.8x-5.7x+3.8=18.5(383)7x-2.3x+1=38.6(384)5.3x-3.5x+2.8=19(385)1.1x-0.7x+4.2=6.2(386)5.8x-3.5x+4.1=31.7(387)5.2x-3.7x+3=31.5(388)57x-19x+1.9=24.7(389)25x-9x+1.2=34.8(390)52x-28x+0.4=12.4(391)26x-10x+4.4=17.2(392)81x-54x+3.9=30.9(393)10x-3x+2.5=5.3(394)43x-17x+2.3=28.3(395)87x-41x+1.6=29.2(396)59x-6x+4=67.6(397)8.5x-4.4x-4.5=7.8(398)2.3x-1.2x-1.9=10.2(399)6.9x-1.5x-4.9=49.1(400)7.7x-6.8x-2=2.5(401)8.9x-5.9x-4.9=22.1(402)8.4x-3.1x-2.1=29.7(403)2.8x-0.4x-3.9=46.5(404)2.7x-1.4x-1.3=15.6(405)4.9x-2.7x-3.9=11.5(406)63x-16x-1.1=50.6(407)70x-22x-2.7=26.1(408)49x-47x-0.5=3.1(409)39x-8x-4.6=4.7(410)47x-13x-3.6=33.8(411)86x-46x-4.4=31.6(412)62x-42x-1.7=16.3(413)80x-17x-0.6=75(414)96x-63x-3.7=9.5(415)6x+71×2=328(416)6x+15×4=150(417)24x+4×33=204(418)14x+24×4=138(419)8x+70×2=228(420)29x+4×34=281(421)12x+7×24=288(422)7x+2×59=258(423)20x+44×3=332(424)8x-26×4=24(425)16x-5×16=16(426)14x-4×25=26(427)2x-7×11=89(428)20x-5×37=15(429)26x-7×14=32(430)19x-2×70=31(431)6x-2×21=132(432)18x-2×33=42(433)0.2x+1.4×13=19.2(434)0.4x+2.1×2=21.8(435)0.4x+2.5×6=18.6(436)0.8x+2.3×3=24.5(437)0.5x+1.9×8=27.7(438)1.1x+1.1×4=22(439)4.2x+0.5×31=32.3(440)0.3x+0.6×7=14.4(441)2.3x+0.3×7=9(442)14x+19×0.2=16.4(443)2x+28×0.7=27.6(444)2x+23×0.6=22.6(445)2x+11×0.3=5.1(446)13x+18×0.9=30.5(447)11x+27×0.6=34.9(448)4x+14×0.5=7.8(449)4x+4×0.6=4.4(450)2x+13×0.2=8.4(451)0.4x-3.2×3=9.2(452)0.9x-0.4×8=14.8(453)3.8x-1.5×8=3.2(454)3x-2.9×2=9.2(455)3.4x-0.7×16=2.4(456)1.2x-0.4×3=16.8(457)0.3x-0.2×6=8.4(458)1.6x-2.2×3=1.4(459)1.2x-1.4×5=12.2(460)3x-14×0.5=1.1(461)4x-7×1.8=6.2(462)42x-2×1.4=9.8(463)14x-2×3.2=7.6(464)42x-34×0.3=6.6(465)11x-4×2.7=3.5(466)34x-7×2=3(467)15x-24×0.5=7.5(468)5x-8×1=2.5(469)4(2x+24)=176(470)3(6x+8)=150(471)5(x+7)=110(472)5(9x+11)=190(473)2(2x+15)=110(474)2(25x+40)=180(475)2(x+23)=68(476)5(x+6)=85(477)2(26x+9)=122(478)3(8x-7)=51(479)5(16x-24)=200(480)4(5x-40)=40(481)4(6x-28)=56(482)3(x-9)=102(483)3(x-12)=51(484)6(28x-23)=198(485)2(x-16)=60(486)7(2x-40)=112(487)3(0.2x+9.8)=48.6(488)3(0.3x+1.5)=46.8(489)4(2.9x+0.8)=38(490)2(1.3x+4)=41.8(491)7(1.3x+2.5)=35.7(492)4(2.2x+1)=39.2(493)2(0.7x+2.6)=45.8(494)5(1.5x+0.9)=27(495)7(0.4x+0.4)=36.4(496)2(3.9x-0.9)=13.8(497)20(x-0.6)=28(498)3(0.5x-8.5)=4.5(499)6(5.5x-9)=12(500)7(0.4x-3)=9.8(501)9(0.5x-2.2)=34.2(502)4(0.8x-2.6)=47.2(503)2(0.6x-9.2)=8(504)5(0.2x-6.8)=7(505)(12x+40)÷35=8(506)(7x+13)÷4=54(507)(7x+29)÷4=23(508)(6x+18)÷5=18(509)(3x+24)÷33=1(510)(2x+11)÷11=5(511)(4x+28)÷2=34(512)(8x+3)÷7=21(513)(9x+27)÷22=9(514)(9x-39)÷22=6(515)(8x-8)÷48=3(516)(19x-11)÷12=7(517)(9x-25)÷8=16(518)(6x-14)÷10=1(519)(19x-48)÷4=45(520)(7x-27)÷8=15(521)(11x-34)÷40=3(522)(2x-15)÷21=1(523)(9.4x+3.6)÷2=20.6(524)(0.4x+0.8)÷20=0.2(525)(6.3x+4.5)÷4=9(526)(3.5x+8.6)÷2=35.8(527)(2.7x+1.2)÷5=5.1(528)(4.7x+7.6)÷15=2.7(529)(5.8x+2.2)÷6=11(530)(9x+4.5)÷5=9.9(531)(3.2x+9.5)÷29=1.1(532)(9.6x-9.2)÷4=16.9(533)(3.8x-9.6)÷12=1.1(534)(4.8x-7.5)÷17=2.1(535)(4.6x-3.4)÷3=18.8(536)(9.2x-1.1)÷5=14.5(537)(5.6x-4.6)÷5=17(538)(4.4x-5.2)÷6=9.4(539)(4.6x-3.5)÷13=6.1(540)(2x-9)÷10=1.1参考答案(1)x=69(2)x=80(3)x=71(4)x=35(5)x=26(6)x=62(7)x=80(8)x=96(9)x=17(10)x=57(11)x=91(12)x=70(13)x=87(14)x=94(15)x=86(16)x=47(17)x=56(18)x=65(19)x=6.8(20)x=3.7(21)x=7.5(22)x=5.1(23)x=8.2(24)x=3(25)x=0.4(26)x=9(27)x=6.4(28)x=8.6(29)x=6.4(30)x=8.7(31)x=5.3(32)x=9.5(33)x=8.5(34)x=6.6(35)x=9.6(36)x=5.4(37)x=39(38)x=68(39)x=92(40)x=31(41)x=23(42)x=56(43)x=33(44)x=25(45)x=97(46)x=53(47)x=50(48)x=25(49)x=3(50)x=11(51)x=33(52)x=85(53)x=35(54)x=12(55)x=2.4(56)x=5.7(57)x=4.7(58)x=0.5(59)x=0.5(60)x=7.7(61)x=5.4(62)x=6.2(63)x=8.4(64)x=3(65)x=0.3(66)x=3.6(67)x=5.4(68)x=1.6(69)x=1.9(70)x=1.4(71)x=1.4(72)x=2.5(73)x=13(74)x=2(75)x=12(76)x=58(77)x=18(78)x=41(79)x=95(80)x=7(81)x=39(82)x=2(83)x=18(84)x=4(85)x=5(86)x=3(87)x=17(88)x=2(89)x=2(90)x=3(91)x=1.8(92)x=0.9(93)x=1(94)x=0.6(95)x=0.2(96)x=3.6(97)x=3.2(98)x=2.6(99)x=5.6(100)x=8(101)x=5(102)x=2(103)x=13(104)x=10(105)x=6(106)x=11(107)x=39(108)x=8(109)x=81(110)x=2(111)x=82(112)x=12(113)x=3(114)x=12(115)x=10(116)x=25(117)x=3(118)x=156(119)x=48(120)x=34(121)x=153(122)x=62(123)x=108(124)x=168(125)x=132(126)x=155(127)x=19.8(128)x=3.2(129)x=14.1(130)x=10.2(131)x=8.4(132)x=6(133)x=11.4(134)x=5.1(135)x=15(136)x=98(137)x=13(138)x=6(139)x=36(140)x=5(141)x=5(142)x=21(143)x=25(144)x=5(145)x=20(146)x=24(147)x=5(148)x=19(149)x=73(150)x=34(151)x=4(152)x=60(153)x=5(154)x=1.8(155)x=4.3(156)x=7.9(157)x=0.2(158)x=2(159)x=0.2(160)x=0.2(161)x=0.2(162)x=0.8(163)x=7(164)x=6(165)x=8(166)x=8(167)x=8(168)x=17(169)x=2(170)x=7(171)x=12(172)x=2.9(173)x=0.2(174)x=3.1(175)x=2.7(176)x=0.9(177)x=0.4(178)x=0.8(179)x=0.3(180)x=0.4(181)x=25(182)x=4(183)x=13(184)x=4(185)x=9(186)x=18(187)x=2(188)x=9(189)x=2(190)x=12(191)x=32(192)x=60(193)x=3(194)x=5(195)x=2(196)x=8(197)x=34(198)x=3(199)x=5(200)x=2(201)x=18(202)x=5(203)x=16(204)x=18(205)x=5(206)x=52(207)x=48(208)x=4(209)x=47(210)x=24(211)x=3(212)x=5(213)x=3(214)x=37(215)x=15(216)x=6(217)x=0.2(218)x=2.4(219)x=0.3(220)x=3.1(221)x=1.1(222)x=0.2(223)x=0.3(224)x=6(225)x=0.2(226)x=8(227)x=6(228)x=27(229)x=11(230)x=2(231)x=20(232)x=17(233)x=3(234)x=2(235)x=1(236)x=0.2(237)x=0.7(238)x=0.3(239)x=0.5(240)x=0.2(241)x=0.2(242)x=2.7(243)x=1.3(244)x=15(245)x=18(246)x=6(247)x=18(248)x=14(249)x=5(250)x=7(251)x=54(252)x=3(253)x=2(254)x=48(255)x=26(256)x=32(257)x=9(258)x=52(259)x=2(260)x=2(261)x=6(262)x=0.2(263)x=0.3(264)x=0.4(265)x=0.4(266)x=1.8(267)x=2.1(268)x=0.9(269)x=5.8(270)x=0.8(271)x=18(272)x=22(273)x=9(274)x=2(275)x=7(276)x=10(277)x=4(278)x=12(279)x=6(280)x=7(281)x=10(282)x=17(283)x=24(284)x=12(285)x=12(286)x=11(287)x=4(288)x=3(289)x=2(290)x=17(291)x=25(292)x=59(293)x=3(294)x=15(295)x=2(296)x=16(297)x=2(298)x=5(299)x=12(300)x=26(301)x=10(302)x=15(303)x=9(304)x=4(305)x=6(306)x=18(307)x=5(308)x=5(309)x=19(310)x=6(311)x=6(312)x=5(313)x=10(314)x=15(315)x=4(316)x=7(317)x=10(318)x=33(319)x=38(320)x=6(321)x=21(322)x=2(323)x=15(324)x=14(325)x=28(326)x=16(327)x=19(328)x=10(329)x=4(330)x=14(331)x=3(332)x=3(333)x=3(334)x=10(335)x=12(336)x=7(337)x=2(338)x=4(339)x=11(340)x=6(341)x=12(342)x=5(343)x=21(344)x=6(345)x=6(346)x=10(347)x=4(348)x=15(349)x=11(350)x=4(351)x=15(352)x=0.3(353)x=0.2(354)x=0.7(355)x=0.6(356)x=0.4(357)x=2.5(358)x=0.4(359)x=2.7(360)x=0.7(361)x=9(362)x=3(363)x=89(364)x=11(365)x=5(366)x=54(367)x=7(368)x=6(369)x=2(370)x=0.2(371)x=0.8(372)x=0.6(373)x=0.6(374)x=1.6(375)x=1(376)x=1.4(377)x=0.4(378)x=6.2(379)x=37(380)x=5(381)x=2(382)x=7(383)x=8(384)x=9(385)x=5(386)x=12(387)x=19(388)x=0.6(389)x=2.1(390)x=0.5(391)x=0.8(392)x=1(3