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+47=126(2)x+65=110(3)x+61=152(4)x+41=130(5)x+82=144(6)x+76=84(7)x+94=157(8)x+46=83(9)x+85=129(10)x-20=58(11)x-6=93(12)x-2=57(13)x-47=41(14)x-36=56(15)x-3=46(16)x-17=49(17)x-59=35(18)x-42=53(19)x+6.8=13.2(20)x+4.9=5.7(21)x+0.9=4.8(22)x+8.1=9.4(23)x+6.2=13.6(24)x+3.3=11(25)x+8.3=13.7(26)x+6.2=10(27)x+4.6=10.2(28)x-4.5=1.5(29)x-4.7=2.3(30)x-3.7=2.1(31)x-0.8=1.7(32)x-1.8=5.8(33)x-1.4=3.9(34)x-1.5=1.4(35)x-3.6=3.7(36)x-2.2=6.1(37)11+x=65(38)54+x=98(39)60+x=67(40)16+x=53(41)48+x=89(42)69+x=86(43)43+x=80(44)63+x=92(45)49+x=125(46)64-x=59(47)39-x=37(48)76-x=18(49)79-x=32(50)98-x=42(51)99-x=24(52)88-x=69(53)51-x=17(54)30-x=19(55)9.3+x=13.9(56)2.2+x=2.6(57)5.9+x=7.1(58)5.2+x=12.4(59)7.1+x=13.4(60)4.3+x=7.6(61)5.6+x=8.4(62)1+x=8.8(63)7.7+x=15.2(64)7.8-x=3.2(65)8.4-x=7.9(66)9.3-x=2.1(67)8.9-x=8.3(68)2.3-x=1.5(69)3.3-x=3(70)9.2-x=3(71)6.4-x=2.8(72)3-x=2.7(73)2x=96(74)46x=184(75)32x=64(76)4x=44(77)3x=42(78)2x=6(79)47x=94(80)63x=126(81)2x=30(82)4.2x=8.4(83)0.2x=6.4(84)1x=14(85)0.2x=6(86)1.1x=9.9(87)4.8x=19.2(88)4.1x=16.4(89)2.7x=18.9(90)1.7x=10.2(91)2x=3.8(92)2x=18.2(93)35x=14(94)3x=12(95)9x=8.1(96)3x=0.9(97)44x=8.8(98)16x=8(99)7x=18.9(100)56÷x=2(101)36÷x=12(102)105÷x=7(103)60÷x=30(104)144÷x=24(105)8÷x=4(106)135÷x=9(107)156÷x=4(108)186÷x=6(109)9÷x=1.8(110)13.5÷x=0.5(111)17.1÷x=0.3(112)16.8÷x=4.2(113)13.2÷x=3.3(114)19.2÷x=2.4(115)10.2÷x=0.3(116)19.2÷x=0.2(117)19.8÷x=1.1(118)x÷17=4(119)x÷4=7(120)x÷14=12(121)x÷6=27(122)x÷37=5(123)x÷8=24(124)x÷2=17(125)x÷2=45(126)x÷4=15(127)x÷2=1.2(128)x÷4=2.7(129)x÷56=0.3(130)x÷14=1.1(131)x÷28=0.6(132)x÷21=0.6(133)x÷12=0.3(134)x÷11=1.7(135)x÷2=2.3(136)7x+33=166(137)4x+43=127(138)12x+36=144(139)2x+32=156(140)6x+41=197(141)7x+14=63(142)38x+52=166(143)2x+37=129(144)2x+44=136(145)5x-10=15(146)2x-53=63(147)2x-23=57(148)6x-32=58(149)13x-21=96(150)78x-47=109(151)30x-52=68(152)2x-54=130(153)12x-31=161(154)34x+1.7=15.3(155)7x+4=11(156)4x+5.3=7.7(157)9x+4.8=7.5(158)63x+2.6=15.2(159)11x+5.3=24(160)8x+5=22.6(161)84x+3.7=20.5(162)6x+4.6=20.8(163)0.6x+4.9=15.7(164)0.2x+3.9=13.5(165)0.2x+3.6=6(166)1.6x+2.5=21.7(167)0.3x+4.3=9.7(168)0.5x+3.8=9.3(169)0.9x+4.4=24.2(170)0.5x+3=13.5(171)0.9x+4.6=19(172)62x-5.8=12.8(173)6x-4.6=14.6(174)16x-1.8=6.2(175)16x-1.4=14.6(176)3x-4.1=8.8(177)5x-1=8.5(178)4x-1=7(179)3x-1.4=14.8(180)3x-1.7=7.3(181)0.2x-2.9=14.9(182)0.6x-5.9=6.1(183)1.1x-3.3=12.1(184)0.3x-4.7=7.6(185)2.4x-1=11(186)0.2x-3.1=5.3(187)0.5x-2.6=10.9(188)1.4x-2.3=10.3(189)2.6x-4=1.2(190)27+25x=127(191)106+17x=208(192)36+5x=51(193)91+3x=214(194)150+83x=316(195)45+88x=221(196)135+44x=311(197)175+6x=343(198)57+55x=167(199)197-2x=115(200)183-4x=15(201)181-24x=85(202)182-2x=40(203)102-2x=42(204)87-4x=79(205)198-3x=111(206)104-9x=68(207)190-12x=166(208)10.5+1.2x=22.5(209)1.7+0.2x=5.7(210)10.2+0.3x=24.9(211)6+0.2x=18(212)15.3+1.2x=29.7(213)16.9+0.2x=35.1(214)19.5+0.3x=31.8(215)8.9+1.9x=20.3(216)3.1+0.2x=17.7(217)14.8+8x=28.4(218)14.8+41x=27.1(219)3.7+5x=23.2(220)11+9x=16.4(221)5.4+9x=20.7(222)17.3+33x=23.9(223)7.1+19x=24.2(224)5.3+9x=11.6(225)2.8+26x=13.2(226)8.6-0.3x=8(227)19.2-2.7x=5.7(228)16.7-3.8x=5.3(229)18.9-0.5x=1.4(230)18.6-0.2x=5.6(231)15.4-0.4x=3(232)16.5-0.2x=9.9(233)5.7-0.3x=1.2(234)14.4-0.6x=13.2(235)14.3-15x=5.3(236)6.3-12x=2.7(237)11.4-44x=2.6(238)9.1-11x=6.9(239)13.4-14x=5(240)16.8-48x=2.4(241)15.6-10x=8.6(242)6.3-19x=2.5(243)17.6-26x=4.6(244)3x÷2=42(245)4x÷8=13(246)8x÷2=28(247)7x÷2=35(248)12x÷8=21(249)10x÷3=30(250)15x÷3=35(251)95x÷38=5(252)4x÷14=2(253)0.9x÷3=3(254)8.4x÷7=2.4(255)0.2x÷5=0.8(256)1.8x÷5=3.6(257)1.4x÷42=0.4(258)0.3x÷2=1.2(259)0.2x÷4=2.5(260)4.6x÷23=0.4(261)0.8x÷2=2.4(262)45x÷30=0.6(263)56x÷6=2.8(264)76x÷38=0.4(265)6x÷40=0.3(266)20x÷10=0.6(267)27x÷21=0.9(268)56x÷8=2.1(269)5x÷75=0.2(270)2x÷6=2.3(271)7x+17x=192(272)18x+12x=180(273)13x+19x=192(274)13x+6x=152(275)3x+2x=265(276)7x+2x=45(277)8x+6x=336(278)14x+17x=93(279)9x+10x=57(280)9x-6x=30(281)18x-5x=117(282)14x-2x=132(283)14x-8x=66(284)6x-4x=56(285)13x-4x=90(286)10x-5x=40(287)9x-2x=98(288)12x-10x=30(289)1.3x+1x=25.3(290)3.7x+9.5x=79.2(291)9.8x+4.3x=42.3(292)4.8x+2.9x=146.3(293)1.5x+1.1x=10.4(294)4.3x+1x=58.3(295)4x+3.9x=55.3(296)0.3x+5.4x=11.4(297)3.5x+4.5x=104(298)4.4x-1.1x=69.3(299)4.5x-1.8x=59.4(300)6.2x-3.6x=26(301)4.9x-2x=8.7(302)3.4x-2.9x=12.5(303)5.5x-4.6x=2.7(304)9.9x-6.3x=10.8(305)5.6x-5.3x=4.2(306)6.4x-3x=30.6(307)2x+6x+17=153(308)4x+3x+25=39(309)3x+7x+11=241(310)3x+9x+7=103(311)4x+18x+30=272(312)8x+5x+4=264(313)7x+18x+12=162(314)18x+19x+39=187(315)2x+13x+25=205(316)13x+4x-49=36(317)3x+2x-24=76(318)10x+2x-20=28(319)19x+9x-48=232(320)15x+9x-23=73(321)8x+7x-4=71(322)11x+5x-16=256(323)6x+5x-21=56(324)16x+2x-17=181(325)6x-2x+16=144(326)5x-3x+20=82(327)16x-12x+12=56(328)16x-11x+14=44(329)16x-13x+35=47(330)6x-4x+32=66(331)16x-13x+21=48(332)8x-5x+11=74(333)11x-7x+48=84(334)10x-5x-4=86(335)4x-2x-11=67(336)9x-3x-35=61(337)18x-2x-2=126(338)19x-17x-2=16(339)17x-2x-21=84(340)10x-5x-40=25(341)18x-9x-34=29(342)19x-16x-17=10(343)7x+9.3x+3.2=84.7(344)1.9x+3.1x+2.5=42.5(345)3.7x+9.9x+1.3=55.7(346)5.1x+6.4x+0.2=46.2(347)4.9x+7.2x+4=100.8(348)6.3x+3.3x+3.8=99.8(349)0.2x+2.6x+4.6=43.8(350)8.7x+6.8x+3.9=174.4(351)6.1x+2.8x+4.3=22.1(352)68x+13x+0.9=17.1(353)36x+24x+4.7=40.7(354)78x+20x+1.4=119(355)60x+4x+1=71.4(356)15x+10x+1.8=71.8(357)70x+17x+1.1=53.3(358)71x+67x+4.7=115.1(359)30x+29x+2.8=168(360)68x+60x+4.3=55.5(361)8x+6.4x-4.5=53.1(362)3.9x+4.8x-2.8=136.4(363)1.9x+1.4x-4.5=78(364)5.6x+6.6x-1.9=83.5(365)1x+0.9x-0.8=158.8(366)2.8x+7.8x-0.3=42.1(367)3.8x+1.3x-0.4=76.1(368)0.7x+2.3x-2.1=33.9(369)8.4x+3.8x-0.2=97.4(370)18x+6x-1.7=15.1(371)19x+40x-0.7=22.9(372)25x+38x-3.3=59.7(373)45x+29x-3.9=151.5(374)7x+51x-2.4=61.4(375)75x+43x-3.7=19.9(376)28x+21x-0.6=112.1(377)85x+69x-3.5=104.3(378)49x+47x-3.4=44.6(379)5.3x-0.9x+4.2=61.4(380)6.7x-5.9x+2=7.6(381)3.1x-2.7x+4.6=8.2(382)6.4x-2.5x+2.5=14.2(383)8.9x-8.5x+0.6=3.8(384)3.2x-2.1x+1.4=14.6(385)3.3x-1.2x+1.9=48.1(386)7.2x-1.6x+1.6=24(387)8.5x-1.3x+2.6=17(388)65x-29x+4.3=18.7(389)49x-6x+2.7=19.9(390)12x-2x+1.6=9.6(391)29x-8x+0.2=4.4(392)83x-57x+3=18.6(393)29x-15x+1.5=32.3(394)91x-32x+2.8=38.2(395)77x-33x+2=54.8(396)76x-16x+1.4=61.4(397)1.6x-0.9x-2.4=31.9(398)0.7x-0.2x-4.6=3.4(399)5.2x-3.1x-4=21.2(400)3.6x-2.4x-2.2=18.2(401)9.9x-3.9x-0.9=53.1(402)3.3x-1.3x-4.2=15.8(403)6.5x-3.3x-2.7=13.3(404)2.2x-1.5x-3.8=22.8(405)2.2x-2x-4.4=1(406)33x-6x-0.9=4.5(407)56x-45x-4.3=5.6(408)96x-80x-1.3=13.1(409)18x-15x-1=5.9(410)64x-52x-3.9=2.1(411)50x-36x-2.6=17(412)43x-14x-1.8=56.2(413)86x-38x-3=35.4(414)85x-17x-1.7=32.3(415)2x+4×9=88(416)16x+4×3=44(417)28x+12×15=320(418)15x+24×3=222(419)4x+3×6=122(420)17x+24×6=263(421)2x+44×2=200(422)26x+54×2=186(423)25x+12×8=221(424)2x-10×2=106(425)26x-7×2=168(426)2x-21×3=71(427)29x-30×4=54(428)3x-21×5=21(429)10x-71×2=38(430)29x-4×29=58(431)16x-2×31=130(432)25x-2×50=75(433)1.1x+2×10=39.8(434)0.5x+0.8×20=27.5(435)0.9x+1.3×14=35.3(436)1x+0.8×19=30.2(437)0.4x+1.4×10=19.6(438)0.4x+0.5×25=18.5(439)0.2x+0.5×16=17.4(440)4.5x+1.3×10=26.5(441)3.8x+3.8×2=26.6(442)2x+10×1.6=24.8(443)23x+11×0.3=7.9(444)34x+10×1.5=25.2(445)10x+45×0.3=30.5(446)6x+4×3.9=18(447)6x+8×1.2=11.4(448)46x+3×4.3=31.3(449)5x+9×1.1=22.9(450)6x+13×1.5=23.7(451)2.1x-0.7×6=10.5(452)0.4x-1.1×5=10.9(453)0.9x-0.2×39=6.6(454)1.3x-1.5×6=10.5(455)1.4x-0.3×23=11.3(456)0.5x-0.4×37=4.2(457)1.5x-0.2×10=16(458)0.9x-0.7×20=4(459)4.6x-2.2×5=2.8(460)3x-7×0.9=5.1(461)21x-6×0.2=7.2(462)49x-4×1.3=14.4(463)34x-2×0.7=12.2(464)8x-19×0.2=3.4(465)5x-2×4.1=9.3(466)31x-15×0.4=12.6(467)7x-4×0.9=6.9(468)6x-9×1.8=3(469)4(5x+28)=192(470)3(x+17)=183(471)3(2x+10)=96(472)3(x+30)=195(473)3(x+3)=45(474)3(2x+12)=108(475)2(2x+30)=184(476)2(23x+28)=148(477)2(22x+3)=182(478)3(10x-10)=90(479)3(4x-5)=117(480)5(13x-37)=140(481)5(3x-5)=155(482)2(2x-5)=154(483)7(2x-29)=91(484)2(3x-37)=172(485)12(x-30)=168(486)12(5x-32)=156(487)5(0.3x+3.3)=21(488)2(0.8x+4.6)=49.2(489)2(0.2x+1.7)=23(490)3(0.3x+3.5)=20.4(491)18(0.6x+1.3)=45(492)3(1.8x+3)=36(493)3(0.3x+2.8)=13.8(494)2(1.6x+4.5)=31.4(495)3(1.7x+5.9)=27.9(496)2(2.4x-5.5)=32.2(497)4(3.9x-7.9)=15.2(498)25(0.6x-0.5)=32.5(499)4(0.6x-1.9)=40.4(500)2(2.4x-3.9)=45(501)15(0.2x-0.5)=43.5(502)6(0.7x-8.2)=13.8(503)3(0.5x-2.4)=10.8(504)6(0.9x-5.2)=44.4(505)(2x+20)÷33=2(506)(17x+24)÷15=5(507)(8x+32)÷8=11(508)(7x+16)÷4=11(509)(11x+33)÷4=66(510)(13x+43)÷14=17(511)(4x+49)÷5=17(512)(11x+10)÷3=18(513)(3x+45)÷21=3(514)(12x-12)÷9=12(515)(17x-41)÷3=43(516)(7x-28)÷28=1(517)(17x-42)÷7=28(518)(8x-12)÷28=5(519)(3x-20)÷4=13(520)(8x-24)÷5=40(521)(7x-7)÷28=5(522)(13x-46)÷3=54(523)(4.3x+7.2)÷6=14.1(524)(5.6x+3.8)÷3=5(525)(6.7x+5.7)÷6=11(526)(5.5x+9.8)÷21=2.3(527)(4.8x+3.4)÷2=11.3(528)(8.7x+4.3)÷20=5(529)(2.4x+0.4)÷4=5.5(530)(3.4x+8)÷11=6.6(531)(0.7x+1.6)÷2=2.2(532)(4.5x-1.4)÷4=6.4(533)(4.4x-1.4)÷25=1(534)(9.4x-3.9)÷5=10.5(535)(3.8x-5.5)÷5=10.3(536)(6.1x-7.3)÷10=7.2(537)(9.1x-3.1)÷4=19.7(538)(2.2x-1)÷21=1(539)(6.1x-4.5)÷5=17.4(540)(2.7x-5.7)÷24=1.9參考答案(1)x=79(2)x=45(3)x=91(4)x=89(5)x=62(6)x=8(7)x=63(8)x=37(9)x=44(10)x=78(11)x=99(12)x=59(13)x=88(14)x=92(15)x=49(16)x=66(17)x=94(18)x=95(19)x=6.4(20)x=0.8(21)x=3.9(22)x=1.3(23)x=7.4(24)x=7.7(25)x=5.4(26)x=3.8(27)x=5.6(28)x=6(29)x=7(30)x=5.8(31)x=2.5(32)x=7.6(33)x=5.3(34)x=2.9(35)x=7.3(36)x=8.3(37)x=54(38)x=44(39)x=7(40)x=37(41)x=41(42)x=17(43)x=37(44)x=29(45)x=76(46)x=5(47)x=2(48)x=58(49)x=47(50)x=56(51)x=75(52)x=19(53)x=34(54)x=11(55)x=4.6(56)x=0.4(57)x=1.2(58)x=7.2(59)x=6.3(60)x=3.3(61)x=2.8(62)x=7.8(63)x=7.5(64)x=4.6(65)x=0.5(66)x=7.2(67)x=0.6(68)x=0.8(69)x=0.3(70)x=6.2(71)x=3.6(72)x=0.3(73)x=48(74)x=4(75)x=2(76)x=11(77)x=14(78)x=3(79)x=2(80)x=2(81)x=15(82)x=2(83)x=32(84)x=14(85)x=30(86)x=9(87)x=4(88)x=4(89)x=7(90)x=6(91)x=1.9(92)x=9.1(93)x=0.4(94)x=4(95)x=0.9(96)x=0.3(97)x=0.2(98)x=0.5(99)x=2.7(100)x=28(101)x=3(102)x=15(103)x=2(104)x=6(105)x=2(106)x=15(107)x=39(108)x=31(109)x=5(110)x=27(111)x=57(112)x=4(113)x=4(114)x=8(115)x=34(116)x=96(117)x=18(118)x=68(119)x=28(120)x=168(121)x=162(122)x=185(123)x=192(124)x=34(125)x=90(126)x=60(127)x=2.4(128)x=10.8(129)x=16.8(130)x=15.4(131)x=16.8(132)x=12.6(133)x=3.6(134)x=18.7(135)x=4.6(136)x=19(137)x=21(138)x=9(139)x=62(140)x=26(141)x=7(142)x=3(143)x=46(144)x=46(145)x=5(146)x=58(147)x=40(148)x=15(149)x=9(150)x=2(151)x=4(152)x=92(153)x=16(154)x=0.4(155)x=1(156)x=0.6(157)x=0.3(158)x=0.2(159)x=1.7(160)x=2.2(161)x=0.2(162)x=2.7(163)x=18(164)x=48(165)x=12(166)x=12(167)x=18(168)x=11(169)x=22(170)x=21(171)x=16(172)x=0.3(173)x=3.2(174)x=0.5(175)x=1(176)x=4.3(177)x=1.9(178)x=2(179)x=5.4(180)x=3(181)x=89(182)x=20(183)x=14(184)x=41(185)x=5(186)x=42(187)x=27(188)x=9(189)x=2(190)x=4(191)x=6(192)x=3(193)x=41(194)x=2(195)x=2(196)x=4(197)x=28(198)x=2(199)x=41(200)x=42(201)x=4(202)x=71(203)x=30(204)x=2(205)x=29(206)x=4(207)x=2(208)x=10(209)x=20(210)x=49(211)x=60(212)x=12(213)x=91(214)x=41(215)x=6(216)x=73(217)x=1.7(218)x=0.3(219)x=3.9(220)x=0.6(221)x=1.7(222)x=0.2(223)x=0.9(224)x=0.7(225)x=0.4(226)x=2(227)x=5(228)x=3(229)x=35(230)x=65(231)x=31(232)x=33(233)x=15(234)x=2(235)x=0.6(236)x=0.3(237)x=0.2(238)x=0.2(239)x=0.6(240)x=0.3(241)x=0.7(242)x=0.2(243)x=0.5(244)x=28(245)x=26(246)x=7(247)x=10(248)x=14(249)x=9(250)x=7(251)x=2(252)x=7(253)x=10(254)x=2(255)x=20(256)x=10(257)x=12(258)x=8(259)x=50(260)x=2(261)x=6(262)x=0.4(263)x=0.3(264)x=0.2(265)x=2(266)x=0.3(267)x=0.7(268)x=0.3(269)x=3(270)x=6.9(271)x=8(272)x=6(273)x=6(274)x=8(275)x=53(276)x=5(277)x=24(278)x=3(279)x=3(280)x=10(281)x=9(282)x=11(283)x=11(284)x=28(285)x=10(286)x=8(287)x=14(288)x=15(289)x=11(290)x=6(291)x=3(292)x=19(293)x=4(294)x=11(295)x=7(296)x=2(297)x=13(298)x=21(299)x=22(300)x=10(301)x=3(302)x=25(303)x=3(304)x=3(305)x=14(306)x=9(307)x=17(308)x=2(309)x=23(310)x=8(311)x=11(312)x=20(313)x=6(314)x=4(315)x=12(316)x=5(317)x=20(318)x=4(319)x=10(320)x=4(321)x=5(322)x=17(323)x=7(324)x=11(325)x=32(326)x=31(327)x=11(328)x=6(329)x=4(330)x=17(331)x=9(332)x=21(333)x=9(334)x=18(335)x=39(336)x=16(337)x=8(338)x=9(339)x=7(340)x=13(341)x=7(342)x=9(343)x=5(344)x=8(345)x=4(346)x=4(347)x=8(348)x=10(349)x=14(350)x=11(351)x=2(352)x=0.2(353)x=0.6(354)x=1.2(355)x=1.1(356)x=2.8(357)x=0.6(358)x=0.8(359)x=2.8(360)x=0.4(361)x=4(362)x=16(363)x=25(364)x=7(365)x=84(366)x=4(367)x=15(368)x=12(369)x=8(370)x=0.7(371)x=0.4(372)x=1(373)x=2.1(374)x=1.1(375)x=0.2(376)x=2.3(377)x=0.7(378)x=0.5(379)x=13(380)x=7(381)x=9(382)x=3(383)x=8(384)x=12(385)x=22(386)x=4(387)x=2(388)x=0.4(389)x=0.4(390)x=0.8(391)x=0.2(392)x=0.6(3