五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案(1)x+12=106(2)x+4=16(3)x+50=120(4)x+42=73(5)x+4=55(6)x+24=27(7)x+91=107(8)x+57=139(9)x+89=171(10)x-58=23(11)x-22=60(12)x-3=25(13)x-10=39(14)x-42=15(15)x-16=46(16)x-22=68(17)x-68=17(18)x-39=33(19)x+5.1=14.3(20)x+4.5=13.7(21)x+8.2=12.9(22)x+3.4=3.6(23)x+2.1=7.9(24)x+8=12.7(25)x+7.8=10.4(26)x+0.4=8.7(27)x+5.5=11.4(28)x-3.7=1.8(29)x-5.2=2.3(30)x-3.2=2(31)x-0.2=7.2(32)x-3.8=2.3(33)x-1.4=3.6(34)x-5.6=3.3(35)x-3=6.9(36)x-6=3(37)5+x=73(38)4+x=82(39)87+x=168(40)82+x=128(41)97+x=137(42)87+x=165(43)34+x=129(44)53+x=57(45)33+x=120(46)68-x=62(47)60-x=11(48)65-x=28(49)38-x=18(50)47-x=11(51)60-x=48(52)84-x=45(53)36-x=34(54)39-x=29(55)9.8+x=18.8(56)3.9+x=13(57)2.5+x=3.3(58)2.1+x=5.7(59)1.4+x=7.8(60)2+x=9.9(61)9.8+x=11.8(62)7.8+x=13.6(63)8.5+x=13.7(64)5.7-x=4.5(65)5.7-x=5.2(66)7.2-x=1.3(67)8.6-x=1.4(68)8.6-x=6.3(69)7.8-x=1.3(70)8.1-x=7.2(71)9.3-x=3.3(72)8-x=1.8(73)13x=182(74)7x=91(75)7x=161(76)5x=175(77)2x=4(78)5x=60(79)8x=96(80)15x=135(81)4x=40(82)0.4x=0.8(83)0.2x=0.6(84)0.3x=14.4(85)1x=18(86)1.6x=14.4(87)0.2x=14.8(88)0.6x=8.4(89)0.8x=17.6(90)0.3x=2.4(91)12x=13.2(92)10x=4(93)3x=1.2(94)44x=13.2(95)2x=3.2(96)68x=13.6(97)25x=12.5(98)2x=6.2(99)3x=11.4(100)172÷x=2(101)175÷x=7(102)28÷x=4(103)72÷x=3(104)52÷x=2(105)186÷x=6(106)130÷x=13(107)88÷x=11(108)20÷x=5(109)13.8÷x=4.6(110)2.7÷x=0.9(111)10.8÷x=0.4(112)15.5÷x=0.5(113)18.5÷x=0.5(114)16.1÷x=2.3(115)3.2÷x=1.6(116)0.8÷x=0.4(117)2.1÷x=0.7(118)x÷2=16(119)x÷33=4(120)x÷4=41(121)x÷68=2(122)x÷3=22(123)x÷35=3(124)x÷37=3(125)x÷5=34(126)x÷3=41(127)x÷49=0.2(128)x÷20=0.3(129)x÷43=0.2(130)x÷36=0.3(131)x÷11=0.9(132)x÷4=1.3(133)x÷31=0.6(134)x÷3=4.9(135)x÷5=1.4(136)41x+52=216(137)3x+11=23(138)45x+26=161(139)8x+51=91(140)4x+33=149(141)2x+40=60(142)65x+53=248(143)7x+58=212(144)58x+21=137(145)4x-13=15(146)40x-29=131(147)100x-14=186(148)2x-52=146(149)4x-18=38(150)3x-55=41(151)5x-21=64(152)16x-14=18(153)2x-24=20(154)8x+4.6=22.2(155)4x+3.1=15.5(156)6x+4.4=10.4(157)3x+4.1=7.7(158)41x+4.5=16.8(159)2x+2.7=12.9(160)32x+4=16.8(161)60x+4.1=16.1(162)14x+1=16.4(163)0.8x+4.3=13.9(164)0.3x+5.7=24(165)2x+2.5=12.5(166)0.5x+4.5=7.5(167)6.5x+3.3=16.3(168)0.4x+2.1=4.5(169)4.7x+4.8=18.9(170)0.3x+3.1=9.4(171)1.3x+2.8=13.2(172)6x-2.5=4.7(173)5x-3.8=4.2(174)24x-3.6=13.2(175)16x-2.3=5.7(176)29x-4.9=3.8(177)22x-3=3.6(178)2x-5.6=11.8(179)5x-4.8=1.7(180)20x-5.6=4.4(181)2.9x-4.2=10.3(182)1x-3.1=10.9(183)0.7x-3.9=5.2(184)2.8x-2.8=5.6(185)0.8x-2.7=14.1(186)0.4x-1.2=2.8(187)3.5x-2.6=14.9(188)0.4x-3.6=10.4(189)2.8x-1.1=10.1(190)27+7x=153(191)22+10x=152(192)154+3x=319(193)115+7x=143(194)141+33x=306(195)177+2x=193(196)125+2x=257(197)100+96x=292(198)186+7x=277(199)62-9x=35(200)177-5x=142(201)133-7x=112(202)96-21x=33(203)103-3x=94(204)129-5x=79(205)148-4x=140(206)112-45x=22(207)123-6x=99(208)9.2+0.2x=20.6(209)15.5+0.4x=28.3(210)7.6+0.2x=27.4(211)1.8+0.3x=20.4(212)5.1+0.8x=9.1(213)10.2+0.5x=14.7(214)8+1.9x=25.1(215)15.3+4.6x=24.5(216)2.2+0.3x=9.1(217)4.6+3x=10.3(218)12.5+24x=31.7(219)3.9+49x=13.7(220)3.1+17x=15(221)16.7+2x=20.3(222)7.7+8x=13.3(223)5.4+21x=20.1(224)4+3x=18.1(225)2.4+18x=20.4(226)19.7-5.5x=3.2(227)14.3-0.6x=10.1(228)18.4-4.6x=9.2(229)4.3-0.2x=3.5(230)11.9-3.2x=2.3(231)19-0.7x=11.3(232)9.8-0.2x=7.2(233)17.6-0.7x=3.6(234)12.2-0.3x=3.2(235)17-10x=12(236)17.5-4x=16.3(237)19.1-3x=18.5(238)15.6-3x=9.6(239)11-8x=6.2(240)7.2-8x=5.6(241)16.2-8x=14.6(242)12-6x=8.4(243)14.2-18x=1.6(244)3x÷27=2(245)52x÷4=39(246)27x÷18=6(247)2x÷4=9(248)3x÷18=11(249)2x÷3=18(250)11x÷44=4(251)40x÷5=16(252)15x÷25=3(253)4.4x÷11=1.2(254)0.3x÷13=1.2(255)0.6x÷3=1(256)2.7x÷36=0.3(257)2.2x÷4=1.1(258)0.3x÷48=0.4(259)2.4x÷48=0.3(260)8.8x÷22=0.8(261)0.6x÷22=0.9(262)16x÷2=4.8(263)35x÷25=0.7(264)4x÷6=1(265)4x÷2=1.2(266)18x÷6=2.4(267)4x÷16=1(268)6x÷3=4.8(269)29x÷58=0.2(270)8x÷34=0.4(271)4x+3x=140(272)2x+15x=68(273)11x+6x=289(274)5x+6x=143(275)19x+16x=140(276)3x+14x=136(277)4x+5x=171(278)4x+8x=36(279)12x+6x=126(280)9x-7x=40(281)16x-12x=36(282)15x-12x=33(283)8x-5x=63(284)5x-2x=93(285)17x-6x=121(286)13x-7x=48(287)15x-5x=40(288)7x-3x=40(289)3.4x+1.4x=14.4(290)1x+0.9x=30.4(291)2.2x+6.8x=63(292)5.8x+2.4x=90.2(293)5.1x+3.6x=78.3(294)2.3x+5.8x=97.2(295)4.9x+7.7x=88.2(296)7.4x+3.2x=116.6(297)7.3x+4.1x=148.2(298)3x-1.4x=24(299)7.4x-0.8x=46.2(300)8.4x-6.3x=16.8(301)4.9x-3.8x=14.3(302)4.7x-2.5x=30.8(303)9.6x-4.7x=9.8(304)4.1x-2.2x=5.7(305)3.1x-0.6x=32.5(306)5.4x-2.8x=15.6(307)4x+9x+46=150(308)2x+4x+14=62(309)2x+3x+42=157(310)3x+4x+27=188(311)4x+7x+27=291(312)2x+4x+32=254(313)11x+8x+14=356(314)8x+5x+2=301(315)10x+11x+11=389(316)13x+19x-5=155(317)13x+14x-20=196(318)13x+16x-41=220(319)14x+10x-30=234(320)3x+16x-3=206(321)5x+6x-30=333(322)13x+2x-21=129(323)4x+5x-40=311(324)8x+9x-24=333(325)14x-7x+23=79(326)11x-7x+46=78(327)13x-3x+32=132(328)10x-3x+22=57(329)4x-2x+5=21(330)18x-2x+34=210(331)15x-8x+11=95(332)9x-7x+12=24(333)7x-2x+12=32(334)18x-10x-28=36(335)17x-4x-33=71(336)13x-5x-6=58(337)6x-2x-44=16(338)16x-4x-28=92(339)10x-3x-8=97(340)16x-5x-27=50(341)12x-3x-15=75(342)18x-3x-5=100(343)4x+3x+1.2=22.2(344)6.2x+6.7x+3.2=170.9(345)0.2x+3.1x+4.2=37.2(346)8.1x+7.2x+2.9=155.9(347)8x+6x+1.3=127.3(348)1.8x+3.5x+1.2=64.8(349)6.2x+9.6x+3.7=66.9(350)1x+0.4x+0.6=37(351)2.3x+9.2x+1=70(352)10x+6x+3.4=125(353)42x+6x+1.5=92.7(354)77x+40x+4.4=109.7(355)19x+48x+4.6=44.8(356)15x+48x+3.7=28.9(357)10x+46x+4=104.8(358)22x+53x+1.8=39.3(359)4x+30x+1.4=32(360)12x+31x+2.5=67(361)9.4x+2.4x-3.4=43.8(362)4.1x+8.7x-0.8=101.6(363)6.6x+7.8x-2.4=112.8(364)2x+3.2x-1.1=108.1(365)2.1x+1.7x-1.3=86.1(366)0.7x+1.7x-0.3=136.5(367)5.1x+7.3x-1.1=36.1(368)1.4x+2.2x-2.2=152.6(369)1.5x+8x-2.1=92.9(370)7x+18x-2.1=117.9(371)16x+28x-3.1=142.1(372)52x+64x-3.2=147.6(373)4x+21x-3.9=16.1(374)83x+69x-0.3=106.1(375)65x+17x-1.7=88.5(376)5x+10x-3.3=31.2(377)22x+19x-3.2=160.8(378)65x+3x-4.9=90.3(379)0.7x-0.4x+4.4=8.3(380)9.7x-4.3x+2.5=18.7(381)8.3x-0.2x+2.9=83.9(382)9.5x-2.6x+2.4=50.7(383)8.6x-1.2x+3.6=55.4(384)8.2x-2.9x+2.3=50(385)4.3x-3.4x+1.7=3.5(386)2.1x-0.5x+4.2=39.4(387)1.1x-0.2x+4.8=44.4(388)46x-22x+0.5=31.7(389)16x-12x+0.2=13.4(390)90x-37x+4=62.3(391)55x-30x+4.9=44.9(392)23x-10x+4.6=15(393)38x-19x+2.8=16.1(394)14x-11x+2.4=21(395)23x-11x+0.7=36.7(396)93x-75x+4.3=20.5(397)6.1x-2x-2=39(398)4.6x-3.9x-0.2=9.6(399)8.2x-3.9x-0.8=33.6(400)8x-3.2x-2.2=26.6(401)2.6x-0.6x-4.4=33.6(402)3.8x-0.6x-4.7=75.3(403)5.9x-4.3x-1.5=16.1(404)9x-1.5x-0.4=74.6(405)8x-3.4x-1.5=35.3(406)71x-46x-1.7=5.8(407)63x-20x-4.5=29.9(408)39x-37x-1.7=2.3(409)40x-7x-4.1=68.5(410)35x-20x-2.3=21.7(411)18x-10x-4.7=15.3(412)60x-29x-1.8=16.8(413)39x-29x-0.4=1.6(414)95x-50x-2.1=33.9(415)2x+3×33=115(416)6x+44×3=288(417)10x+3×49=237(418)2x+2×52=162(419)2x+20×5=144(420)2x+14×5=264(421)4x+47×4=352(422)23x+13×9=255(423)22x+4×17=222(424)12x-7×16=56(425)11x-7×3=133(426)7x-35×3=56(427)4x-9×2=38(428)15x-86×2=23(429)3x-16×5=70(430)14x-3×31=33(431)19x-3×2=165(432)9x-21×5=57(433)0.2x+1.3×10=18.4(434)2.6x+0.2×26=13(435)2.5x+1.8×10=28(436)0.4x+1×20=32.8(437)1.6x+0.5×14=11.8(438)1x+3.1×4=29.4(439)1.2x+2.7×4=20.4(440)0.2x+2.3×4=13(441)1.6x+2×3=20.4(442)43x+23×0.5=28.7(443)12x+7×0.4=20.8(444)16x+49×0.4=38.8(445)16x+29×0.4=16.4(446)4x+18×0.8=32(447)4x+3×0.7=20.9(448)20x+37×0.3=17.1(449)49x+5×3.3=31.2(450)9x+6×2.5=30.3(451)3.4x-4.8×2=4(452)0.9x-0.9×19=1.8(453)4.1x-0.4×18=1(454)0.6x-0.3×25=2.1(455)1.3x-3.6×3=2.2(456)0.4x-0.2×36=8.8(457)3.8x-0.5×7=4.1(458)0.2x-0.7×2=2.2(459)0.4x-2.3×3=2.7(460)28x-6×2.6=1.2(461)43x-2×1.1=6.4(462)5x-20×0.2=11.5(463)2x-13×0.3=3.3(464)25x-5×0.8=8.5(465)4x-9×0.4=2(466)46x-29×0.3=9.7(467)6x-2×0.3=18(468)2x-2×1.8=3(469)4(9x+29)=188(470)4(2x+9)=116(471)4(x+33)=140(472)3(x+32)=174(473)2(7x+16)=102(474)2(9x+13)=80(475)5(3x+11)=115(476)9(x+2)=162(477)2(2x+16)=100(478)2(4x-37)=142(479)5(10x-44)=80(480)5(3x-39)=135(481)6(20x-38)=132(482)2(11x-44)=22(483)4(4x-29)=108(484)4(x-19)=40(485)3(28x-8)=144(486)12(4x-9)=132(487)5(0.2x+5.1)=49.5(488)5(1.2x+0.5)=38.5(489)2(2x+7.7)=43.4(490)2(0.4x+0.6)=4.4(491)2(x+8.3)=28.6(492)2(0.8x+2.2)=38(493)2(2.1x+0.2)=42.4(494)6(0.5x+2.4)=23.4(495)2(0.3x+5.2)=35(496)5(1.1x-1.5)=9(497)2(0.5x-8.2)=31.6(498)5(0.5x-0.6)=7(499)16(2.3x-3.3)=20.8(500)6(1.6x-4.7)=19.8(501)10(2.5x-4.6)=29(502)3(0.6x-1.5)=33.3(503)2(1.2x-2.9)=44.6(504)3(4.4x-2.6)=31.8(505)(5x+36)÷3=47(506)(2x+4)÷11=2(507)(8x+2)÷6=23(508)(7x+42)÷12=14(509)(7x+21)÷28=2(510)(4x+8)÷4=7(511)(x+30)÷3=19(512)(4x+23)÷3=33(513)(2x+4)÷8=7(514)(13x-4)÷9=27(515)(9x-3)÷31=6(516)(8x-6)÷10=9(517)(10x-49)÷3=37(518)(9x-22)÷2=106(519)(x-13)÷2=6(520)(13x-23)÷2=112(521)(16x-30)÷25=2(522)(6x-44)÷4=4(523)(6.1x+1.3)÷9=1.5(524)(0.7x+5.9)÷4=2.7(525)(7.3x+9.5)÷5=9.2(526)(4.5x+5.1)÷3=10.7(527)(6.6x+3)÷6=11.5(528)(0.8x+5.4)÷2=7.5(529)(4.2x+2.2)÷38=0.5(530)(1.2x+2)÷14=1(531)(4.4x+9.6)÷4=9(532)(8.2x-9.6)÷2=7.5(533)(4.6x-3.6)÷12=6.6(534)(4.8x-6.7)÷5=2.5(535)(3.5x-9.3)÷2=4.1(536)(3.5x-7.7)÷34=0.7(537)(7x-0.4)÷19=4.4(538)(6.6x-9)÷2=35.1(539)(9.5x-4.3)÷28=2.9(540)(4.8x-1.2)÷15=1.2參考答案(1)x=94(2)x=12(3)x=70(4)x=31(5)x=51(6)x=3(7)x=16(8)x=82(9)x=82(10)x=81(11)x=82(12)x=28(13)x=49(14)x=57(15)x=62(16)x=90(17)x=85(18)x=72(19)x=9.2(20)x=9.2(21)x=4.7(22)x=0.2(23)x=5.8(24)x=4.7(25)x=2.6(26)x=8.3(27)x=5.9(28)x=5.5(29)x=7.5(30)x=5.2(31)x=7.4(32)x=6.1(33)x=5(34)x=8.9(35)x=9.9(36)x=9(37)x=68(38)x=78(39)x=81(40)x=46(41)x=40(42)x=78(43)x=95(44)x=4(45)x=87(46)x=6(47)x=49(48)x=37(49)x=20(50)x=36(51)x=12(52)x=39(53)x=2(54)x=10(55)x=9(56)x=9.1(57)x=0.8(58)x=3.6(59)x=6.4(60)x=7.9(61)x=2(62)x=5.8(63)x=5.2(64)x=1.2(65)x=0.5(66)x=5.9(67)x=7.2(68)x=2.3(69)x=6.5(70)x=0.9(71)x=6(72)x=6.2(73)x=14(74)x=13(75)x=23(76)x=35(77)x=2(78)x=12(79)x=12(80)x=9(81)x=10(82)x=2(83)x=3(84)x=48(85)x=18(86)x=9(87)x=74(88)x=14(89)x=22(90)x=8(91)x=1.1(92)x=0.4(93)x=0.4(94)x=0.3(95)x=1.6(96)x=0.2(97)x=0.5(98)x=3.1(99)x=3.8(100)x=86(101)x=25(102)x=7(103)x=24(104)x=26(105)x=31(106)x=10(107)x=8(108)x=4(109)x=3(110)x=3(111)x=27(112)x=31(113)x=37(114)x=7(115)x=2(116)x=2(117)x=3(118)x=32(119)x=132(120)x=164(121)x=136(122)x=66(123)x=105(124)x=111(125)x=170(126)x=123(127)x=9.8(128)x=6(129)x=8.6(130)x=10.8(131)x=9.9(132)x=5.2(133)x=18.6(134)x=14.7(135)x=7(136)x=4(137)x=4(138)x=3(139)x=5(140)x=29(141)x=10(142)x=3(143)x=22(144)x=2(145)x=7(146)x=4(147)x=2(148)x=99(149)x=14(150)x=32(151)x=17(152)x=2(153)x=22(154)x=2.2(155)x=3.1(156)x=1(157)x=1.2(158)x=0.3(159)x=5.1(160)x=0.4(161)x=0.2(162)x=1.1(163)x=12(164)x=61(165)x=5(166)x=6(167)x=2(168)x=6(169)x=3(170)x=21(171)x=8(172)x=1.2(173)x=1.6(174)x=0.7(175)x=0.5(176)x=0.3(177)x=0.3(178)x=8.7(179)x=1.3(180)x=0.5(181)x=5(182)x=14(183)x=13(184)x=3(185)x=21(186)x=10(187)x=5(188)x=35(189)x=4(190)x=18(191)x=13(192)x=55(193)x=4(194)x=5(195)x=8(196)x=66(197)x=2(198)x=13(199)x=3(200)x=7(201)x=3(202)x=3(203)x=3(204)x=10(205)x=2(206)x=2(207)x=4(208)x=57(209)x=32(210)x=99(211)x=62(212)x=5(213)x=9(214)x=9(215)x=2(216)x=23(217)x=1.9(218)x=0.8(219)x=0.2(220)x=0.7(221)x=1.8(222)x=0.7(223)x=0.7(224)x=4.7(225)x=1(226)x=3(227)x=7(228)x=2(229)x=4(230)x=3(231)x=11(232)x=13(233)x=20(234)x=30(235)x=0.5(236)x=0.3(237)x=0.2(238)x=2(239)x=0.6(240)x=0.2(241)x=0.2(242)x=0.6(243)x=0.7(244)x=18(245)x=3(246)x=4(247)x=18(248)x=66(249)x=27(250)x=16(251)x=2(252)x=5(253)x=3(254)x=52(255)x=5(256)x=4(257)x=2(258)x=64(259)x=6(260)x=2(261)x=33(262)x=0.6(263)x=0.5(264)x=1.5(265)x=0.6(266)x=0.8(267)x=4(268)x=2.4(269)x=0.4(270)x=1.7(271)x=20(272)x=4(273)x=17(274)x=13(275)x=4(276)x=8(277)x=19(278)x=3(279)x=7(280)x=20(281)x=9(282)x=11(283)x=21(284)x=31(285)x=11(286)x=8(287)x=4(288)x=10(289)x=3(290)x=16(291)x=7(292)x=11(293)x=9(294)x=12(295)x=7(296)x=11(297)x=13(298)x=15(299)x=7(300)x=8(301)x=13(302)x=14(303)x=2(304)x=3(305)x=13(306)x=6(307)x=8(308)x=8(309)x=23(310)x=23(311)x=24(312)x=37(313)x=18(314)x=23(315)x=18(316)x=5(317)x=8(318)x=9(319)x=11(320)x=11(321)x=33(322)x=10(323)x=39(324)x=21(325)x=8(326)x=8(327)x=10(328)x=5(329)x=8(330)x=11(331)x=12(332)x=6(333)x=4(334)x=8(335)x=8(336)x=8(337)x=15(338)x=10(339)x=15(340)x=7(341)x=10(342)x=7(343)x=3(344)x=13(345)x=10(346)x=10(347)x=9(348)x=12(349)x=4(350)x=26(351)x=6(352)x=7.6(353)x=1.9(354)x=0.9(355)x=0.6(356)x=0.4(357)x=1.8(358)x=0.5(359)x=0.9(360)x=1.5(361)x=4(362)x=8(363)x=8(364)x=21(365)x=23(366)x=57(367)x=3(368)x=43(369)x=10(370)x=4.8(371)x=3.3(372)x=1.3(373)x=0.8(374)x=0.7(375)x=1.1(376)x=2.3(377)x=4(378)x=1.4(379)x=13(380)x=3(381)x=10(382)x=7(383)x=7(384)x=9(385)x=2(386)x=22(387)x=44(388)x=1.3(389)x=3.3(390)x=1.1(391)x=1.6(392)x=0.