五年級數(shù)學(xué)(方程)專項練習(xí)題及答案匯編(1)1x=17(2)47+6x=161(3)1.9+15x=13.9(4)18x÷90=0.2(5)2(x+48)=114(6)4(x-31)=72(7)(17x+14)÷5=47(8)1.7x+1.5x-4=63.2(9)6x-4x=26(10)x÷7=0.9(11)5x-18×0.3=3.6(12)4x+48=176(13)7x+9x=160(14)1.3x-0.5×10=10.6(15)x÷9=9(16)64x+90x-2.1=167.3(17)x÷37=0.2(18)11x-7x=64(19)35+x=68(20)37x-33x-3=6.2(21)3.1x+7.9x+4.2=92.2(22)x÷63=3(23)9.1x=18.2(24)(6.7x+7.9)÷7=4(25)5.4-x=4(26)x+89=133(27)3.8x-0.2x-3=65.4(28)x÷6=25(29)1x-5.7=7.3(30)7.6x+4x+0.7=116.7(31)5x=15.5(32)2x÷30=0.3(33)x+6.1=8.7(34)4.3x+5.3x+1.6=126.4(35)x-1.2=7.2(36)155-2x=17(37)18x+49x+1.9=35.4(38)5x+12x+32=202(39)x-78=21(40)0.5x=7.5(41)x÷4=17(42)13x-9x+45=105(43)74x-58x-2.1=9.1(44)1.9x+0.7x=57.2(45)8x+12x+43=363(46)13x-4x+34=124(47)0.7x÷49=0.3(48)7x+2x-13=239(49)2.3x+2.7×7=28.1(50)9x+2×2.8=16.4(51)95x+58x-2.8=43.1(52)4x-22=146(53)0.7x+1.8x+4.4=81.9(54)4.9x+3.1x-1.5=118.5(55)62-x=19(56)18+x=106(57)8+x=29(58)17+1.1x=30.2(59)3(0.3x+8.2)=39(60)63x+57x+2.5=26.5(61)19.5+2x=37.3(62)4.6x-3.5x-4=4.8(63)4(x+11)=88(64)18÷x=2(65)2x+3x+37=322(66)(4x+11)÷13=3(67)x-2=80(68)2x-13×7=101(69)178+2x=370(70)8(0.4x+2.6)=30.4(71)(5.9x-7.3)÷3=1.5(72)16x-8x-29=51(73)89x=17.8(74)1.2x+4.8x=66(75)17x÷2=3.4(76)7x-57=97(77)11.7+14x=21.5(78)1.8x-3.3=12.9(79)2x+1.2=15.2(80)146+34x=316(81)x-23=70(82)19x-13x+43=97(83)16x+11x=162(84)0.9x+1.9=19(85)46x+5.9=15.1(86)x-0.8=2.2(87)x+45=57(88)50x+2=22(89)4.6x+9.1x-0.9=26.5(90)2(1.4x-5.5)=14.2(91)0.5+x=5.6(92)(8x+37)÷3=63(93)5.8+x=9.5(94)17.4-2x=11(95)9x+18x-41=67(96)13.5-4x=4.7(97)28+x=72(98)x+8.7=13.3(99)x-19=33(100)2(8x-41)=94(101)10x+83x-2.3=44.2(102)14x÷56=3(103)191-7x=142(104)x-3.4=2(105)8x÷10=1.6(106)99-2x=51(107)(18x-22)÷13=8(108)9x-10×1.2=4.2(109)3x-2×0.3=8.7(110)7.5x-1x-2.8=42.7(111)x÷7=1.2(112)17x+11x+4.9=116.9(113)163+5x=208(114)72x-53x-2.1=22.6(115)131-9x=32(116)(2.9x-7.7)÷7=1.8(117)11(0.5x+2.6)=45.1(118)4(7.3x-9.8)=48.4(119)8x+4.6=16.6(120)(2x+20)÷28=2(121)15.6-41x=3.3(122)x÷18=1.1(123)16.2-0.7x=11.3(124)2x=86(125)11x-17×1.1=1.1(126)x+7.3=9.1(127)25x+4×32=203(128)(11x+27)÷35=8(129)96x-34x-0.5=24.3(130)80-x=22(131)2x+3x+25=110(132)67x-34x+3.3=33(133)19.8÷x=2.2(134)10÷x=0.2(135)2x=6.2(136)1x-0.4×10=4(137)(1.5x-9.6)÷33=0.3(138)17x-32×0.2=12.3(139)x-76=13(140)10x+6x+31=351(141)8x=12.8(142)17x-4.7=8.9(143)x-45=48(144)24x÷12=1.2(145)2(2.6x-7)=48.4(146)8.3-3.6x=1.1(147)73x+65x+0.4=138.4(148)17x=10.2(149)(8.6x+2.8)÷30=2.1(150)9x-6x+38=101(151)4.1+x=12.4(152)x-29=40(153)36x-6×0.5=15(154)3x+10=64(155)53x+3.9=14.5(156)7x-2x=20(157)2x+15x-46=22(158)3x÷2=3.6(159)3x+49x-2=18.8(160)4.2-x=1.9(161)33x=99(162)7x-5x-30=26(163)2.7x÷36=0.3(164)(11x-3)÷2=48(165)12÷x=0.8(166)3.5x-5=12.5(167)(2.9x+8.3)÷3=19.2(168)24x+14x+3.1=132.3(169)4x÷26=6(170)98x-38x+3.6=27.6(171)x-1.1=4.6(172)(3x-41)÷14=2(173)x÷7=3(174)5.9x-2.5x-2.3=21.5(175)82x+16x-1.1=38.1(176)(9x+42)÷3=68(177)3x+15×1.1=22.5(178)18.9-5x=3.9(179)185-15x=95(180)2.3x+4.5=20.6(181)16.2+0.7x=23.9(182)(9.3x+7.5)÷10=5.4(183)55x+97x+3.6=110(184)13.5+0.6x=15.9(185)11x-2x-45=45(186)5x+0.6x=56(187)9.6x+8x+4.7=57.5(188)18x-6x+0.3=33.9(189)2(4.6x+1)=38.8(190)13(0.7x-7.6)=19.5(191)10x+4×6=204(192)3.5x-4.7×2=1.1(193)3x=3.3(194)20x÷8=5(195)16.1+2x=18.1(196)1x+1.1x=123.9(197)67-x=19(198)8.6+x=12.8(199)2(2x-43)=50(200)38x-2.6=16.4(201)x+12=59(202)172+7x=354(203)7.2x-5.3x=24.7(204)15x-3x+8=164(205)58x+3.2=20.6(206)25x-6×2=163(207)2x-10×6=74(208)14x+3.9=23.5(209)3x+5.9=10.4(210)1.5x÷5=0.6(211)2x+2×19=216(212)11x+14x=175(213)20x+47×0.3=22.1(214)2x-37=35(215)13.7+0.8x=17.7(216)0.6+x=8.6(217)14x-10x=16(218)38+17x=157(219)26x÷13=4(220)x÷7=1.4(221)2.6x+4.7x-4.9=104.6(222)89+x=115(223)(3.1x-7.3)÷8=4.9(224)14.9-2x=5.7(225)0.4x+0.5×2=14.6(226)4x-9×8=108(227)14x+34=118(228)10(0.4x-1.2)=24(229)7x+46=137(230)0.7x-3.6=2(231)13x-4x=126(232)x+5.8=8.1(233)9÷x=3(234)54x-41=67(235)4.9x-4.1x-3.5=10.1(236)4(7x+10)=180(237)6.9x+5.5x+1.7=63.7(238)18x+19x=259(239)x+9.7=17.1(240)28x-21x+1.9=25.7(241)27x+45x+1.1=137.9(242)7x-4.2x=36.4(243)9x-2×30=57(244)0.4x-0.4×9=6(245)9.7+x=12.7(246)63x=126(247)50÷x=5(248)(9x+38)÷2=118(249)14x+5x-39=94(250)9.6-x=2.8(251)(3.4x-8.8)÷28=0.9(252)6x+8.8x=148(253)4.7x-0.4x=68.8(254)19x+11x+49=229(255)8.6x-7x-3.8=2.6(256)3x+14x-22=182(257)(1.2x+8.1)÷3=5.5(258)1.9x-0.5×27=3.6(259)21x÷27=7(260)4.8x+0.6x=59.4(261)2.2x-2.1=8.9(262)6x+20=146(263)2x+16=94(264)51-x=41(265)2x+41=113(266)172+6x=244(267)194÷x=2(268)7x+9x-41=295(269)6(6x-14)=60(270)9.8x-1.8x=48(271)2.7x-1.5x-2.5=41.9(272)3(1.5x-0.7)=33.9(273)3.7x=14.8(274)x+7.6=17(275)9.6x-8.4x+4.9=7.3(276)3(1.4x+7)=46.2(277)0.5x+0.2×29=13.3(278)x+4.4=12.5(279)14x-20×0.4=8.8(280)195÷x=13(281)x+43=65(282)16+3x=35.8(283)x+34=111(284)84÷x=2(285)34x-5.3=4.9(286)3x+49=130(287)74x+72x-3.1=157.5(288)2(3x+39)=162(289)2x+39x+4.3=86.3(290)17.6÷x=1.6(291)x+99=185(292)11.7-0.4x=6.5(293)0.4x÷7=2.4(294)19.6÷x=0.4(295)3.9x+5.2x-3.2=42.3(296)43x=17.2(297)78÷x=13(298)3x+4x-30=26(299)x-31=28(300)8x÷10=20(301)1.5x-0.6x-0.6=42.6(302)11.6-1.2x=8(303)(3.9x-2.7)÷3=4.3(304)2x-0.9x+3.2=23(305)1.3x-4×2=11.5(306)1.7x+1.1x+4.7=18.7(307)33x-9x-0.6=9(308)3x+5x+21=93(309)54x-5.7=10.5(310)19x-15x=20(311)5.3x+2.3x=15.2(312)4.9x+1.9x-3.5=50.9(313)78÷x=3(314)2x+0.7×25=23.5(315)58x-44=72(316)15x+2×2=20.5(317)x-6.8=1.7(318)x÷14=5(319)11x-4x+40=124(320)23x+51x-3.5=11.3(321)1.4x-1.4×8=7(322)7.5+x=12.6(323)4(2x-4)=48(324)22x+3×4.2=32.4(325)8x-13=99(326)0.4x÷10=1.8(327)9.7+0.8x=25.7(328)195-14x=97(329)17x-5x-20=16(330)4x+6x=280(331)11x-5x-8=46(332)50x=150(333)16.9-1.1x=2.6(334)x+36=94(335)8x+12x=320(336)0.4x=13.6(337)1.2x-0.5x+1.3=4.1(338)(12x-48)÷2=36(339)8x+12x-3=297(340)7-x=6.3(341)10.5+0.9x=27.6(342)0.5x+0.2×10=16(343)13x-44=151(344)18x-20×5=80(345)3x=60(346)11x-16=50(347)8.5x-3.6x=14.7(348)8x+32x+3.2=123.2(349)17x-7x+4=64(350)102+24x=294(351)43x-34x-2.4=16.5(352)(3x-24)÷12=1(353)x÷13=2(354)(1.9x+0.2)÷11=1.4(355)2x+36×3=162(356)12x-4.8=4.8(357)0.7x÷28=0.4(358)5(11x-10)=170(359)6.5x+3.3=22.8(360)0.8x+1=5.8(361)0.2x-5.5=3.5(362)3x÷78=0.2(363)5.7x-1.8x+1.9=40.9(364)x-5.6=2.6(365)0.3x=9.3(366)6.7x-0.2x=84.5(367)(7x+16)÷39=4(368)(10x+30)÷3=100(369)13-1.5x=5.5(370)2(6x+34)=164(371)2(0.7x+8.8)=30.2(372)8.4+13x=13.6(373)90x-3.1=14.9(374)5.5x+6.5x-4.9=139.1(375)6x-4x=66(376)8.5-x=6.7(377)10+x=39(378)8x+2×99=254(379)11.6÷x=0.2(380)2x+47=65(381)3(11x+30)=189(382)10.7+1.5x=28.7(383)11x-6x+2=16.5(384)14.1÷x=0.3(385)8x=160(386)7.9-x=6.9(387)3(0.3x-4.1)=26.4(388)3.1x=6.2(389)x+8.9=14.6(390)4(9x+16)=136(391)2x+4×25=134(392)17.4+0.3x=29.7(393)13x-7×9=15(394)2x+4x=198(395)(10x-11)÷3=53(396)16.8-21x=8.4(397)19x+2×1.9=19(398)x-1.2=5.7(399)(4.3x-7.9)÷5=13.9(400)9.8x-5.1x=42.3(401)5.6-0.4x=3.6(402)6x+6×2.6=25.8(403)5+x=11(404)2(2.8x+0.8)=46.4(405)15x-7x=64(406)1.8x+0.9×2=9(407)0.4x+0.2×5=5.4(408)x-2.6=6.3(409)4(x-11)=56(410)3.2x+9.2x-1=73.4(411)x÷7=1.6(412)3.1x+2.2x+1.8=113.1(413)(6.1x+5.5)÷2=24.1(414)(2x-5)÷47=1(415)8x+21×8=320(416)(3x-4.2)÷14=2.7(417)56+39x=212(418)2(26x+23)=150(419)x÷4=3.6(420)87x+22x-2.9=84.3(421)0.7x-0.4x=27.3(422)1.1x-0.3x+2.9=30.1(423)0.2x=4.6(424)3x+4x+48=384(425)5x+15x-27=33(426)x+45=98(427)18x÷12=0.6(428)151-20x=51(429)3(2.3x-8.8)=8.1(430)93x-7x+2.1=36.5(431)65x-13x-4.3=21.7(432)6x-3x+6=102(433)6.1x=12.2(434)9.1-1.5x=1.6(435)1.5x-2.9×2=6.2(436)1.5x-0.7x-1.5=20.1(437)7-x=5.8(438)0.5x+0.3×26=13.8(439)43x-47×0.2=7.8(440)19.8-47x=10.4(441)5.1x-2.5x+3.2=11(442)12x-9x=15(443)7.3x-2.7=11.9(444)7(5x-13)=154(445)8x-2x-16=26(446)59-x=35(447)90-x=82(448)x÷14=4(449)x-40=39(450)8x+4.2=21.8(451)3.3x-0.6x+2.8=75.7(452)39x-13x+0.8=29.4(453)3.3+x=12.9(454)89+x=94(455)6x-3x-47=31(456)18.4-10x=15.4(457)0.6x÷5=2.4(458)9.9x+3x+1.7=53.3(459)14x+18x+48=368(460)6.2x-2.7x+4.4=42.9(461)21x-27×2=51(462)11.5-7x=4.5(463)4x=148(464)5.3-x=2.3(465)2.8x+3.6=23.2(466)3.4x+0.9×18=23(467)17.1÷x=1.9(468)15x-6x-44=37(469)16x-6x+20=110(470)7x+8x=150(471)x-6.6=3.3(472)8x+54×2=268(473)4.3x+5.8x=80.8(474)7(0.6x+1.1)=49.7(475)1x+4.2x=41.6(476)4x-9×1.2=7.2(477)25x+9x-0.2=23.6(478)1.3x-1x=21.6(479)0.2x+4.4=18.2(480)15.8÷x=0.2(481)182-14x=70(482)17x=5.1(483)2x+20×0.5=14.2(484)14x+12×1.6=33.2(485)6(x-14)=168(486)5x+2×16=52(487)2(2.6x-5.6)=46(488)4.6-x=1(489)82-x=12(490)(9.1x+9.9)÷2=27.7(491)9.5x-3x+4.3=43.3(492)84x÷42=4(493)0.7x+5.8=21.2(494)0.2x+1.7=18.7(495)8x-2x-34=68(496)32x-18x-4.5=31.9(497)0.9x+5.1=16.8(498)52x-44x+1.6=14.4(499)19x+18x=259(500)8x÷4=30(501)(14x-8)÷3=72(502)2x-4.2×2=7.6(503)0.4x-4.7=12.9(504)84x-45x-0.7=22.7(505)x+62=155(506)8x=200(507)8x-3.6=2(508)(7x-35)÷5=28(509)90÷x=3(510)5(5x+12)=160(511)8x-2×19=18(512)15.5+50x=25.5(513)51x-27x+0.3=17.1(514)20x÷10=0.6(515)x÷60=0.2(516)x+9.8=11(517)17x-21=132(518)10x÷5=12(519)x÷21=0.4(520)23x=11.5(521)4.5x÷30=0.6(522)17x=170(523)10x-2=4(524)8.3x+7.5x-2.4=45(525)31+x=33(526)x÷4=39(527)186-13x=134(528)5(0.2x+1.7)=21.5(529)42x÷6=2.8(530)39-x=24(531)14.5+4x=19.7(532)15.2+0.3x=21.2(533)82+x=86(534)9.9-2x=8.1(535)75x-2.6=12.4(536)3.4+8x=12.2(537)(7.2x-5.6)÷8=3.8(538)(3.8x+0.8)÷4=17.3(539)1.2x-4.3=4.1(540)88-x=20參考答案(1)x=17(2)x=19(3)x=0.8(4)x=1(5)x=9(6)x=49(7)x=13(8)x=21(9)x=13(10)x=6.3(11)x=1.8(12)x=32(13)x=10(14)x=12(15)x=81(16)x=1.1(17)x=7.4(18)x=16(19)x=33(20)x=2.3(21)x=8(22)x=189(23)x=2(24)x=3(25)x=1.4(26)x=44(27)x=19(28)x=150(29)x=13(30)x=10(31)x=3.1(32)x=4.5(33)x=2.6(34)x=13(35)x=8.4(36)x=69(37)x=0.5(38)x=10(39)x=99(40)x=15(41)x=68(42)x=15(43)x=0.7(44)x=22(45)x=16(46)x=10(47)x=21(48)x=28(49)x=4(50)x=1.2(51)x=0.3(52)x=42(53)x=31(54)x=15(55)x=43(56)x=88(57)x=21(58)x=12(59)x=16(60)x=0.2(61)x=8.9(62)x=8(63)x=11(64)x=9(65)x=57(66)x=7(67)x=82(68)x=96(69)x=96(70)x=3(71)x=2(72)x=10(73)x=0.2(74)x=11(75)x=0.4(76)x=22(77)x=0.7(78)x=9(79)x=7(80)x=5(81)x=93(82)x=9(83)x=6(84)x=19(85)x=0.2(86)x=3(87)x=12(88)x=0.4(89)x=2(90)x=9(91)x=5.1(92)x=19(93)x=3.7(94)x=3.2(95)x=4(96)x=2.2(97)x=44(98)x=4.6(99)x=52(100)x=11(101)x=0.5(102)x=12(103)x=7(104)x=5.4(105)x=2(106)x=24(107)x=7(108)x=1.8(109)x=3.1(110)x=7(111)x=8.4(112)x=4(113)x=9(114)x=1.3(115)x=11(116)x=7(117)x=3(118)x=3(119)x=1.5(120)x=18(121)x=0.3(122)x=19.8(123)x=7(124)x=43(125)x=1.8(126)x=1.8(127)x=3(128)x=23(129)x=0.4(130)x=58(131)x=17(132)x=0.9(133)x=9(134)x=50(135)x=3.1(136)x=8(137)x=13(138)x=1.1(139)x=89(140)x=20(141)x=1.6(142)x=0.8(143)x=93(144)x=0.6(145)x=12(146)x=2(147)x=1(148)x=0.6(149)x=7(150)x=21(151)x=8.3(152)x=69(153)x=0.5(154)x=18(155)x=0.2(156)x=4(157)x=4(158)x=2.4(159)x=0.4(160)x=2.3(161)x=3(162)x=28(163)x=4(164)x=9(165)x=15(166)x=5(167)x=17(168)x=3.4(169)x=39(170)x=0.4(171)x=5.7(172)x=23(173)x=21(174)x=7(175)x=0.4(176)x=18(177)x=2(178)x=3(179)x=6(180)x=7(181)x=11(182)x=5(183)x=0.7(184)x=4(185)x=10(186)x=10(187)x=3(188)x=2.8(189)x=4(190)x=13(191)x=18(192)x=3(193)x=1.1(194)x=2(195)x=1(196)x=59(197)x=48(198)x=4.2(199)x=34(200)x=0.5(201)x=47(202)x=26(203)x=13(204)x=13(205)x=0.3(206)x=7(207)x=67(208)x=1.4(209)x=1.5(210)x=2(211)x=89(212)x=7(213)x=0.4(214)x=36(215)x=5(216)x=8(217)x=4(218)x=7(219)x=2(220)x=9.8(221)x=15(222)x=26(223)x=15(224)x=4.6(225)x=34(226)x=45(227)x=6(228)x=9(229)x=13(230)x=8(231)x=14(232)x=2.3(233)x=3(234)x=2(235)x=17(236)x=5(237)x=5(238)x=7(239)x=7.4(240)x=3.4(241)x=1.9(242)x=13(243)x=13(244)x=24(245)x=3(246)x=2(247)x=10(248)x=22(249)x=7(250)x=6.8(251)x=10(252)x=10(253)x=16(254)x=6(255)x=4(256)x=12(257)x=7(258)x=9(259)x=9(260)x=11(261)x=5(262)x=21(263)x=39(264)x=10(265)x=36(266)x=12(267)x=97(268)x=21(269)x=4(270)x=6(271)x=37(272)x=8(273)x=4(274)x=9.4(275)x=2(276)x=6(277)x=15(278)x=8.1(279)x=1.2(280)x=15(281)x=22(282)x=6.6(283)x=77(284)x=42(285)x=0.3(286)x=27(287)x=1.1(288)x=14(289)x=2(290)x=11(291)x=86(292)x=13(293)x=42(294)x=49(295)x=5(296)x=0.4(297)x=6(298)x=8(299)x=59(300)x=25(301)x=48(302)x=3(303)x=4(304)x=18(305)x=15(306)x=5(307)x=0.4(308)x=9(309)x=0.3(310)x=5(311)x=2(312)x=8(313)x=26(314)x=3(315)x=2(316)x=1.1(317)x=8.5(318)x=70(319)x=12(320)x=0.2(321)x=13(322)x=5.1(323)x=8(324)x=0.9(325)x=14(326)x=45(327)x=20(328)x=7(329)x=3(330)x=28(331)x=9(332)x=3(333)x=13(334)x=58(335)x=16(336)x=34(337)x=4(338)x=10(339)x=15(340)x=0.7(341)x=19(342)x=28(343)x=15(344)x=10(345)x=20(346)x=6(347)x=3(348)x=3(349)x=6(350)x=8(351)x=2.1(352)x=12(353)x=26(354)x=8(355)x=27(356)x=0.8(357)x=16(358)x=4(359)x=3(360)x=6(361)x=45(362)x=5.2(363)x=10(364)x=8.2(365)x=31(366)x=13(367)x=20(368)x=27(369)x=5(370)x=8(371)x=9(372)x=0.4(373)x=0.2(374)x=12(375)x=33(376)x=1.8(377)x=29(378)x=7(379)x=58(380)x=9(381)x=3(382)x=12(383)x=2.9(384)x=47(385)x=20(386)x=1(387)x=43(388)x=2(389)x=5.7(390)x=2(391)x=17(392)x=41(393)x=6(