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+96=184(2)x+76=172(3)x+57=95(4)x+93=103(5)x+4=50(6)x+31=102(7)x+67=162(8)x+75=99(9)x+98=172(10)x-38=32(11)x-28=50(12)x-7=17(13)x-23=53(14)x-19=26(15)x-42=29(16)x-17=19(17)x-30=35(18)x-19=58(19)x+0.8=7.4(20)x+3.3=10.4(21)x+9.8=15.5(22)x+0.9=7.4(23)x+4.4=8.9(24)x+1.4=5.5(25)x+0.3=10.2(26)x+7.6=13.6(27)x+5.2=9.2(28)x-3.3=5.9(29)x-0.7=7.2(30)x-0.4=4.3(31)x-1.7=1.6(32)x-1.6=2.4(33)x-2.6=4.8(34)x-1.4=7(35)x-1=8.6(36)x-3=3.1(37)51+x=111(38)99+x=178(39)42+x=139(40)99+x=111(41)57+x=134(42)35+x=75(43)68+x=126(44)61+x=130(45)72+x=170(46)98-x=54(47)89-x=46(48)69-x=48(49)75-x=51(50)93-x=82(51)52-x=28(52)39-x=28(53)84-x=38(54)93-x=51(55)3.8+x=11.5(56)8.4+x=9.8(57)1.6+x=4(58)9.9+x=11.3(59)9.7+x=14.1(60)8.6+x=11.8(61)1.1+x=4.6(62)2.2+x=4.5(63)2+x=4.2(64)7.2-x=3.9(65)6.7-x=5.3(66)9.9-x=2.3(67)5.1-x=4.9(68)9.4-x=1.7(69)9.5-x=5.3(70)9.5-x=3.1(71)7.4-x=2.3(72)8.3-x=7.3(73)30x=150(74)2x=170(75)8x=16(76)2x=12(77)9x=117(78)21x=105(79)4x=80(80)23x=184(81)6x=162(82)4.8x=9.6(83)1.7x=5.1(84)1.9x=13.3(85)0.3x=13.5(86)1.4x=5.6(87)1x=7(88)6.8x=13.6(89)1.4x=11.2(90)0.6x=16.2(91)4x=9.2(92)41x=12.3(93)22x=15.4(94)11x=14.3(95)5x=13.5(96)47x=14.1(97)2x=5.8(98)38x=19(99)9x=5.4(100)136÷x=34(101)88÷x=4(102)56÷x=4(103)112÷x=28(104)198÷x=3(105)190÷x=38(106)91÷x=7(107)114÷x=6(108)90÷x=9(109)17.2÷x=0.4(110)5.1÷x=1.7(111)14.6÷x=0.2(112)11.7÷x=1.3(113)11.8÷x=0.2(114)19.8÷x=0.2(115)14.4÷x=0.6(116)18÷x=0.3(117)18.7÷x=1.7(118)x÷57=3(119)x÷56=2(120)x÷9=2(121)x÷17=6(122)x÷5=8(123)x÷45=4(124)x÷33=2(125)x÷10=9(126)x÷2=23(127)x÷15=0.2(128)x÷89=0.2(129)x÷6=0.6(130)x÷22=0.5(131)x÷13=0.9(132)x÷8=0.7(133)x÷15=1.1(134)x÷3=4.5(135)x÷10=1.9(136)5x+17=192(137)9x+30=57(138)2x+23=31(139)47x+45=139(140)8x+23=143(141)22x+29=205(142)2x+55=77(143)48x+40=184(144)6x+48=240(145)2x-12=112(146)10x-25=165(147)8x-38=106(148)3x-44=115(149)6x-48=12(150)8x-38=74(151)3x-17=67(152)11x-38=138(153)15x-11=184(154)31x+2.1=14.5(155)62x+3.3=21.9(156)6x+5.9=14.3(157)9x+4.9=20.2(158)16x+2.2=7(159)59x+4.6=22.3(160)54x+5.4=16.2(161)61x+5.7=24(162)12x+3.9=6.3(163)0.7x+2.2=16.9(164)4x+5.4=17.4(165)2.8x+1.6=7.2(166)0.2x+4.7=20.3(167)3.9x+5.9=21.5(168)3.4x+2.2=19.2(169)0.4x+3.7=16.5(170)3.8x+5.9=13.5(171)1.3x+3.5=6.1(172)59x-3.7=8.1(173)69x-1.3=12.5(174)15x-3.7=14.3(175)25x-4.1=5.9(176)4x-4=4.4(177)2x-1.5=16.9(178)66x-5=14.8(179)81x-3.1=13.1(180)14x-2.1=14.7(181)0.7x-2.3=2.6(182)4.7x-5.4=4(183)0.2x-1.5=16.3(184)0.5x-3.7=10.8(185)0.6x-1.5=5.1(186)0.3x-1.9=17.6(187)1.5x-4.9=5.6(188)0.7x-1.8=10.8(189)0.8x-3.3=14.3(190)54+7x=145(191)77+58x=193(192)68+7x=145(193)10+4x=194(194)13+2x=171(195)129+11x=173(196)174+2x=238(197)126+2x=186(198)192+12x=228(199)198-4x=98(200)188-5x=53(201)182-5x=137(202)182-2x=28(203)179-13x=140(204)198-8x=14(205)115-2x=23(206)40-13x=14(207)158-46x=20(208)12+1.7x=20.5(209)5.4+0.4x=25.4(210)16.4+3.3x=26.3(211)15+3.1x=30.5(212)14.6+0.5x=20.1(213)16.9+6.6x=36.7(214)16+2.4x=32.8(215)12.8+0.4x=23.6(216)17.8+2.7x=23.2(217)8+18x=22.4(218)11.4+27x=19.5(219)16.3+5x=35.8(220)18.5+83x=35.1(221)1.8+32x=8.2(222)17.8+22x=26.6(223)11.3+22x=15.7(224)16.2+51x=26.4(225)19.7+21x=26(226)16.4-0.4x=14(227)3.5-0.6x=1.1(228)13.3-0.3x=4.3(229)13.8-0.4x=12.6(230)19.1-0.2x=9.5(231)18.8-0.8x=13.2(232)16.4-0.7x=1(233)12.5-4.4x=3.7(234)19.5-0.2x=3.9(235)10.8-15x=7.8(236)15.1-52x=4.7(237)16.3-5x=10.3(238)18.8-4x=16(239)9-29x=3.2(240)16.8-6x=7.2(241)10-13x=6.1(242)10-23x=3.1(243)9.9-28x=4.3(244)60x÷15=8(245)12x÷6=32(246)27x÷9=21(247)12x÷26=6(248)5x÷10=19(249)8x÷2=40(250)10x÷5=34(251)11x÷44=2(252)2x÷12=12(253)0.6x÷12=1(254)2.8x÷7=1.6(255)0.6x÷7=1.8(256)0.5x÷3=2.5(257)1.3x÷2=2.6(258)0.2x÷24=0.6(259)0.7x÷35=0.3(260)4.2x÷14=0.9(261)0.4x÷6=2.2(262)4x÷60=0.3(263)14x÷7=0.4(264)2x÷31=0.6(265)30x÷10=0.6(266)45x÷18=0.5(267)4x÷8=1.2(268)4x÷2=4(269)4x÷9=0.8(270)2x÷23=0.4(271)3x+5x=232(272)12x+18x=330(273)5x+10x=195(274)13x+7x=180(275)15x+11x=338(276)7x+5x=72(277)3x+7x=180(278)9x+3x=228(279)9x+12x=126(280)4x-2x=72(281)10x-6x=12(282)14x-11x=36(283)11x-6x=40(284)10x-2x=72(285)15x-9x=24(286)9x-7x=28(287)5x-3x=46(288)8x-4x=92(289)2.3x+1x=23.1(290)6.1x+8.2x=71.5(291)1.8x+3.1x=98(292)3.1x+4.1x=43.2(293)2x+1.2x=28.8(294)6x+6.7x=50.8(295)5.7x+1.7x=118.4(296)5.4x+0.2x=50.4(297)1x+0.6x=134.4(298)5.9x-1.1x=67.2(299)5.7x-5.3x=2(300)4x-1.5x=7.5(301)7.2x-2.5x=47(302)8.4x-6.8x=16(303)2.2x-0.7x=12(304)3.9x-2.2x=23.8(305)4.8x-3x=36(306)7.4x-6x=14(307)10x+4x+42=266(308)4x+5x+8=80(309)3x+2x+40=320(310)9x+8x+15=100(311)6x+11x+16=186(312)9x+5x+42=70(313)8x+18x+40=118(314)8x+11x+19=209(315)6x+3x+13=283(316)13x+5x-42=138(317)16x+14x-30=150(318)3x+13x-35=125(319)6x+7x-43=256(320)12x+10x-15=161(321)9x+3x-29=43(322)2x+5x-44=236(323)9x+19x-40=16(324)14x+19x-45=54(325)8x-6x+18=42(326)5x-2x+42=60(327)19x-10x+15=78(328)18x-13x+18=63(329)15x-7x+25=65(330)13x-4x+40=139(331)6x-3x+37=130(332)10x-7x+42=60(333)9x-5x+27=59(334)18x-2x-46=34(335)9x-7x-18=16(336)8x-2x-20=76(337)19x-4x-38=112(338)15x-3x-38=70(339)11x-4x-39=31(340)18x-9x-3=60(341)17x-6x-20=68(342)14x-5x-35=46(343)6.8x+8.4x+2.5=154.5(344)2.4x+4.4x+3.5=17.1(345)5.3x+8x+4.2=110.6(346)6.3x+6.4x+3.4=143.1(347)0.4x+1.7x+3.4=81.1(348)3.8x+1.4x+4=19.6(349)0.3x+4.1x+2.5=11.3(350)0.7x+4.9x+4.5=54.9(351)3.7x+6.1x+1.5=138.7(352)40x+35x+3.5=108.5(353)21x+7x+0.9=6.5(354)76x+7x+3.2=102.8(355)74x+7x+0.7=97.9(356)12x+25x+1.8=79.5(357)66x+55x+1.7=122.7(358)2x+44x+3.9=45.3(359)22x+43x+2.7=106.7(360)18x+83x+1.1=51.6(361)1.7x+2.1x-0.7=41.1(362)9.7x+3.6x-0.5=39.4(363)2.4x+3.7x-4.6=117.4(364)2.6x+6.1x-3.6=100.8(365)5.4x+1.2x-2.4=90(366)3x+4.7x-1.1=22(367)9.5x+6.3x-0.3=110.3(368)3.9x+1.8x-0.5=73.6(369)1.8x+0.9x-0.3=132(370)16x+14x-1.8=55.2(371)9x+17x-0.3=7.5(372)5x+8x-2.4=66.5(373)98x+70x-0.2=117.4(374)53x+20x-3=91.9(375)50x+41x-1.9=161.9(376)38x+28x-4.1=141.1(377)73x+76x-3.6=26.2(378)13x+3x-1.2=118.8(379)2.8x-1.8x+4=19(380)6.8x-6x+4.7=12.7(381)9.9x-1.2x+2.8=81.1(382)7.8x-4.5x+4.6=37.6(383)8.9x-2.9x+3.1=69.1(384)9.1x-4.5x+4.5=18.3(385)8.4x-1.7x+2.9=16.3(386)3x-2.2x+1.1=26.7(387)2.4x-1.2x+2.2=20.2(388)46x-16x+0.2=30.2(389)27x-23x+1.4=5.4(390)28x-2x+3.4=24.2(391)11x-6x+1.4=7.9(392)12x-10x+4.6=19.6(393)65x-21x+2.8=33.6(394)80x-69x+4.3=6.5(395)55x-20x+1.3=8.3(396)16x-14x+1.2=8.4(397)4.8x-0.8x-2.1=49.9(398)7.6x-4.5x-0.4=24.4(399)9.2x-2.1x-1=34.5(400)4.4x-1.4x-0.8=29.2(401)6.4x-0.4x-3.4=74.6(402)2.6x-0.2x-4.8=81.6(403)9.9x-3.5x-1.6=24(404)8.3x-4.5x-2.4=28(405)7.6x-1.7x-4=49.1(406)81x-40x-1.5=39.5(407)83x-29x-4.5=54.9(408)25x-13x-2.1=8.7(409)48x-4x-3=63(410)53x-4x-4.6=39.5(411)69x-17x-4.1=6.3(412)71x-54x-0.6=21.5(413)11x-6x-4.7=11.8(414)32x-18x-2.9=25.1(415)6x+7×4=136(416)2x+23×5=175(417)8x+7×13=139(418)12x+31×5=239(419)5x+28×4=192(420)13x+31×4=202(421)3x+2×69=273(422)21x+5×23=157(423)8x+2×19=230(424)20x-2×13=14(425)7x-10×2=106(426)2x-2×26=132(427)2x-6×3=68(428)18x-14×5=20(429)5x-36×3=22(430)2x-10×6=36(431)15x-14×4=94(432)22x-9×11=55(433)0.2x+0.4×32=17.2(434)0.9x+0.3×14=21.3(435)1.2x+0.4×24=20.4(436)0.4x+3.1×4=24.8(437)0.5x+1×8=13(438)0.9x+0.4×34=24.4(439)4.2x+1.2×14=25.2(440)0.7x+1.6×9=29.8(441)4.8x+1.5×3=23.7(442)8x+5×2.8=18.8(443)23x+2×4.6=16.1(444)11x+4×4.5=25.7(445)11x+24×0.6=29.8(446)13x+16×0.8=23.2(447)12x+2×3.6=22.8(448)7x+6×0.3=12.3(449)16x+23×0.7=20.9(450)2x+15×0.3=6.7(451)0.5x-2.5×5=1(452)1.3x-3.8×2=5.4(453)3.5x-3.7×3=2.9(454)1.3x-1×4=14.2(455)3.8x-1.7×7=7.1(456)3.6x-0.3×13=6.9(457)0.4x-2.4×2=13.6(458)0.7x-0.8×4=15(459)1x-0.2×3=8.4(460)2x-2×1.5=3.4(461)36x-11×1.2=1.2(462)28x-9×1.8=3.4(463)14x-3×2.4=9.6(464)3x-22×0.2=1.9(465)7x-10×0.6=10.8(466)9x-24×0.4=6.6(467)13x-2×2.6=13(468)5x-6×0.2=12.8(469)2(3x+24)=150(470)2(27x+42)=192(471)2(16x+42)=148(472)4(3x+4)=88(473)13(2x+9)=169(474)7(3x+15)=147(475)7(2x+5)=147(476)9(x+9)=126(477)4(x+17)=108(478)6(2x-21)=162(479)11(6x-12)=132(480)6(3x-26)=114(481)5(9x-32)=65(482)3(x-5)=48(483)7(x-12)=182(484)5(x-22)=80(485)5(6x-27)=135(486)3(12x-33)=153(487)4(0.3x+8.9)=48.8(488)16(0.8x+1.2)=44.8(489)2(4.3x+2.9)=23(490)3(0.5x+2.4)=16.2(491)2(0.9x+1.2)=24(492)4(3.7x+2.9)=41.2(493)4(0.9x+5.5)=40(494)4(0.2x+1.1)=42.8(495)4(0.4x+0.6)=36(496)6(x-7)=24(497)2(1.3x-8.9)=23.8(498)21(0.6x-5.8)=29.4(499)2(2.6x-4.4)=43.2(500)17(0.4x-4.1)=32.3(501)8(2.2x-8.3)=21.6(502)7(0.9x-5.5)=11.9(503)7(0.4x-9.8)=12.6(504)4(0.4x-1)=15.2(505)(2x+44)÷9=10(506)(3x+34)÷7=16(507)(5x+17)÷13=9(508)(11x+44)÷11=8(509)(6x+23)÷11=7(510)(8x+24)÷2=36(511)(3x+3)÷3=5(512)(9x+10)÷4=61(513)(2x+26)÷3=20(514)(14x-28)÷42=5(515)(9x-2)÷11=17(516)(8x-44)÷4=25(517)(8x-22)÷13=10(518)(15x-48)÷9=3(519)(19x-22)÷13=10(520)(12x-42)÷18=7(521)(4x-12)÷4=25(522)(18x-38)÷4=4(523)(5.6x+6.8)÷4=10.1(524)(9x+9.4)÷2=13.7(525)(7.6x+8.8)÷39=1.2(526)(5.6x+7.2)÷4=15.8(527)(5.4x+5.8)÷8=12.2(528)(9x+4.4)÷8=7.3(529)(7.5x+2.8)÷16=5.8(530)(5.5x+8.1)÷4=19.9(531)(1.1x+8.7)÷8=2.6(532)(6.5x-6.2)÷22=0.9(533)(3x-2.9)÷23=1.7(534)(4.6x-1)÷6=5.2(535)(5.9x-0.4)÷38=0.3(536)(5.7x-4.9)÷23=4(537)(2.6x-4.2)÷2=7(538)(4.9x-8.3)÷17=4.7(539)(2.6x-8.6)÷29=0.6(540)(6.7x-6)÷24=3.1参考答案(1)x=88(2)x=96(3)x=38(4)x=10(5)x=46(6)x=71(7)x=95(8)x=24(9)x=74(10)x=70(11)x=78(12)x=24(13)x=76(14)x=45(15)x=71(16)x=36(17)x=65(18)x=77(19)x=6.6(20)x=7.1(21)x=5.7(22)x=6.5(23)x=4.5(24)x=4.1(25)x=9.9(26)x=6(27)x=4(28)x=9.2(29)x=7.9(30)x=4.7(31)x=3.3(32)x=4(33)x=7.4(34)x=8.4(35)x=9.6(36)x=6.1(37)x=60(38)x=79(39)x=97(40)x=12(41)x=77(42)x=40(43)x=58(44)x=69(45)x=98(46)x=44(47)x=43(48)x=21(49)x=24(50)x=11(51)x=24(52)x=11(53)x=46(54)x=42(55)x=7.7(56)x=1.4(57)x=2.4(58)x=1.4(59)x=4.4(60)x=3.2(61)x=3.5(62)x=2.3(63)x=2.2(64)x=3.3(65)x=1.4(66)x=7.6(67)x=0.2(68)x=7.7(69)x=4.2(70)x=6.4(71)x=5.1(72)x=1(73)x=5(74)x=85(75)x=2(76)x=6(77)x=13(78)x=5(79)x=20(80)x=8(81)x=27(82)x=2(83)x=3(84)x=7(85)x=45(86)x=4(87)x=7(88)x=2(89)x=8(90)x=27(91)x=2.3(92)x=0.3(93)x=0.7(94)x=1.3(95)x=2.7(96)x=0.3(97)x=2.9(98)x=0.5(99)x=0.6(100)x=4(101)x=22(102)x=14(103)x=4(104)x=66(105)x=5(106)x=13(107)x=19(108)x=10(109)x=43(110)x=3(111)x=73(112)x=9(113)x=59(114)x=99(115)x=24(116)x=60(117)x=11(118)x=171(119)x=112(120)x=18(121)x=102(122)x=40(123)x=180(124)x=66(125)x=90(126)x=46(127)x=3(128)x=17.8(129)x=3.6(130)x=11(131)x=11.7(132)x=5.6(133)x=16.5(134)x=13.5(135)x=19(136)x=35(137)x=3(138)x=4(139)x=2(140)x=15(141)x=8(142)x=11(143)x=3(144)x=32(145)x=62(146)x=19(147)x=18(148)x=53(149)x=10(150)x=14(151)x=28(152)x=16(153)x=13(154)x=0.4(155)x=0.3(156)x=1.4(157)x=1.7(158)x=0.3(159)x=0.3(160)x=0.2(161)x=0.3(162)x=0.2(163)x=21(164)x=3(165)x=2(166)x=78(167)x=4(168)x=5(169)x=32(170)x=2(171)x=2(172)x=0.2(173)x=0.2(174)x=1.2(175)x=0.4(176)x=2.1(177)x=9.2(178)x=0.3(179)x=0.2(180)x=1.2(181)x=7(182)x=2(183)x=89(184)x=29(185)x=11(186)x=65(187)x=7(188)x=18(189)x=22(190)x=13(191)x=2(192)x=11(193)x=46(194)x=79(195)x=4(196)x=32(197)x=30(198)x=3(199)x=25(200)x=27(201)x=9(202)x=77(203)x=3(204)x=23(205)x=46(206)x=2(207)x=3(208)x=5(209)x=50(210)x=3(211)x=5(212)x=11(213)x=3(214)x=7(215)x=27(216)x=2(217)x=0.8(218)x=0.3(219)x=3.9(220)x=0.2(221)x=0.2(222)x=0.4(223)x=0.2(224)x=0.2(225)x=0.3(226)x=6(227)x=4(228)x=30(229)x=3(230)x=48(231)x=7(232)x=22(233)x=2(234)x=78(235)x=0.2(236)x=0.2(237)x=1.2(238)x=0.7(239)x=0.2(240)x=1.6(241)x=0.3(242)x=0.3(243)x=0.2(244)x=2(245)x=16(246)x=7(247)x=13(248)x=38(249)x=10(250)x=17(251)x=8(252)x=72(253)x=20(254)x=4(255)x=21(256)x=15(257)x=4(258)x=72(259)x=15(260)x=3(261)x=33(262)x=4.5(263)x=0.2(264)x=9.3(265)x=0.2(266)x=0.2(267)x=2.4(268)x=2(269)x=1.8(270)x=4.6(271)x=29(272)x=11(273)x=13(274)x=9(275)x=13(276)x=6(277)x=18(278)x=19(279)x=6(280)x=36(281)x=3(282)x=12(283)x=8(284)x=9(285)x=4(286)x=14(287)x=23(288)x=23(289)x=7(290)x=5(291)x=20(292)x=6(293)x=9(294)x=4(295)x=16(296)x=9(297)x=84(298)x=14(299)x=5(300)x=3(301)x=10(302)x=10(303)x=8(304)x=14(305)x=20(306)x=10(307)x=16(308)x=8(309)x=56(310)x=5(311)x=10(312)x=2(313)x=3(314)x=10(315)x=30(316)x=10(317)x=6(318)x=10(319)x=23(320)x=8(321)x=6(322)x=40(323)x=2(324)x=3(325)x=12(326)x=6(327)x=7(328)x=9(329)x=5(330)x=11(331)x=31(332)x=6(333)x=8(334)x=5(335)x=17(336)x=16(337)x=10(338)x=9(339)x=10(340)x=7(341)x=8(342)x=9(343)x=10(344)x=2(345)x=8(346)x=11(347)x=37(348)x=3(349)x=2(350)x=9(351)x=14(352)x=1.4(353)x=0.2(354)x=1.2(355)x=1.2(356)x=2.1(357)x=1(358)x=0.9(359)x=1.6(360)x=0.5(361)x=11(362)x=3(363)x=20(364)x=12(365)x=14(366)x=3(367)x=7(368)x=13(369)x=49(370)x=1.9(371)x=0.3(372)x=5.3(373)x=0.7(374)x=1.3(375)x=1.8(376)x=2.2(377)x=0.2(378)x=7.5(379)x=15(380)x=10(381)x=9(382)x=10(383)x=11(384)x=3(385)x=2(386)x=32(387)x=15(388)x=1(389)x=1(390)x=0.8(391)x=1.3(392)