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

五年級數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案(1)x+56=67(2)x+68=85(3)x+81=148(4)x+56=69(5)x+19=84(6)x+76=78(7)x+51=82(8)x+50=115(9)x+91=125(10)x-7=78(11)x-59=28(12)x-2=72(13)x-52=27(14)x-54=20(15)x-54=16(16)x-29=30(17)x-4=83(18)x-62=10(19)x+6.2=12.8(20)x+5.8=15.1(21)x+8.7=15.5(22)x+1=9.4(23)x+0.2=1.3(24)x+5.3=7.3(25)x+7.5=16(26)x+0.5=1.4(27)x+6.4=12.3(28)x-1.2=5.5(29)x-2.3=3.3(30)x-0.5=9(31)x-8.2=1.7(32)x-1.3=2.8(33)x-1.3=5.2(34)x-2.6=6.3(35)x-6.6=2.3(36)x-4.1=4.1(37)55+x=104(38)95+x=175(39)75+x=120(40)48+x=53(41)15+x=22(42)4+x=88(43)79+x=162(44)10+x=100(45)82+x=124(46)54-x=44(47)81-x=79(48)79-x=25(49)89-x=64(50)61-x=24(51)97-x=86(52)33-x=25(53)80-x=57(54)75-x=66(55)1.8+x=11.7(56)4.6+x=5.3(57)9.6+x=17.6(58)8.5+x=18.4(59)6.6+x=8.9(60)7.6+x=12.5(61)9.7+x=16.4(62)9.2+x=10.8(63)2.6+x=5.6(64)7.1-x=1.8(65)9.6-x=9.3(66)3.6-x=2.1(67)7.4-x=6.2(68)6.2-x=5.5(69)8-x=5.9(70)4.7-x=3.1(71)9.8-x=3.3(72)5.2-x=2.5(73)3x=75(74)33x=132(75)62x=124(76)7x=42(77)83x=166(78)45x=90(79)2x=198(80)3x=195(81)3x=123(82)2x=14(83)0.7x=7(84)2.7x=10.8(85)0.5x=7(86)1.3x=13(87)0.6x=4.2(88)1x=4(89)1.1x=16.5(90)0.4x=4.8(91)3x=6.3(92)12x=9.6(93)3x=1.5(94)8x=15.2(95)15x=10.5(96)3x=8.4(97)8x=5.6(98)2x=10.6(99)4x=20(100)114÷x=3(101)84÷x=21(102)128÷x=8(103)64÷x=2(104)45÷x=9(105)184÷x=4(106)33÷x=3(107)130÷x=10(108)144÷x=2(109)2.6÷x=0.2(110)9.6÷x=0.6(111)3.6÷x=0.2(112)15÷x=0.6(113)13.5÷x=0.9(114)13.6÷x=1.7(115)4.8÷x=0.3(116)12.2÷x=0.2(117)18.9÷x=0.9(118)x÷48=3(119)x÷17=8(120)x÷3=18(121)x÷5=21(122)x÷6=24(123)x÷5=29(124)x÷8=13(125)x÷9=11(126)x÷13=13(127)x÷5=0.8(128)x÷7=0.8(129)x÷8=0.5(130)x÷4=4.4(131)x÷20=0.4(132)x÷3=2.4(133)x÷4=2(134)x÷17=1.1(135)x÷4=0.6(136)22x+14=190(137)36x+35=179(138)2x+54=210(139)15x+42=132(140)26x+48=178(141)55x+51=161(142)6x+31=103(143)8x+16=120(144)15x+16=166(145)15x-18=57(146)26x-32=150(147)14x-12=114(148)4x-11=65(149)56x-22=90(150)3x-35=142(151)2x-34=16(152)3x-31=56(153)42x-44=124(154)3x+2.8=21.1(155)9x+3.4=6.1(156)6x+1.3=19.3(157)8x+1=17.8(158)3x+2.4=9.3(159)38x+3.8=22.8(160)77x+5=20.4(161)83x+3.7=20.3(162)48x+4.4=23.6(163)0.4x+3.8=23.8(164)0.5x+3.3=20.8(165)8.1x+4.5=20.7(166)1.6x+5.8=13.8(167)0.2x+2.1=7.5(168)1.3x+2.6=18.2(169)1.3x+5.7=8.3(170)0.3x+1=14.2(171)3.4x+4.1=21.1(172)60x-4.6=13.4(173)3x-4=7.7(174)2x-5.5=2.7(175)31x-1.8=16.8(176)4x-3.9=14.9(177)45x-3=6(178)27x-2.7=10.8(179)4x-1=9.4(180)10x-1.1=18.9(181)9.2x-2.8=15.6(182)0.8x-2.5=11.1(183)0.7x-2.3=15.2(184)4.7x-4.7=4.7(185)2.6x-2.6=15.6(186)2.5x-2=10.5(187)1.2x-2.2=15.8(188)1.5x-1.7=11.8(189)0.6x-1.7=6.7(190)110+7x=306(191)90+46x=182(192)68+20x=248(193)180+2x=370(194)124+6x=250(195)69+95x=259(196)97+92x=281(197)175+28x=259(198)78+5x=133(199)161-26x=31(200)177-42x=51(201)135-11x=102(202)66-4x=30(203)194-13x=64(204)185-5x=165(205)198-2x=180(206)187-16x=123(207)163-2x=11(208)19.1+0.3x=20(209)10+0.5x=25(210)12.7+3x=18.7(211)2.4+0.3x=13.8(212)1.1+0.3x=11.6(213)6.7+0.4x=11.5(214)6.7+3.6x=13.9(215)15.9+5x=25.9(216)17+0.8x=19.4(217)7.9+8x=21.5(218)7.8+4x=25.8(219)15.8+5x=28.8(220)5.5+5x=23.5(221)9.9+15x=29.4(222)17.4+57x=28.8(223)16.7+3x=17.6(224)3.7+4x=19.3(225)15+10x=26(226)19.8-0.6x=8.4(227)18.7-1.1x=4.4(228)19.2-0.4x=17.2(229)11.4-0.5x=3.9(230)11-0.2x=1(231)11.5-3x=2.5(232)10.1-4.4x=1.3(233)9.5-0.5x=3.5(234)18.3-0.4x=6.7(235)15.9-29x=7.2(236)13.8-29x=2.2(237)18.6-33x=12(238)19.5-11x=1.9(239)8.2-5x=3.7(240)15.6-10x=9.6(241)19.8-13x=5.5(242)12.4-5x=9.4(243)16.9-12x=1.3(244)48x÷8=12(245)8x÷5=32(246)6x÷13=12(247)9x÷27=4(248)3x÷24=4(249)16x÷4=36(250)21x÷27=7(251)57x÷19=6(252)3x÷12=15(253)0.8x÷2=2.8(254)0.4x÷60=0.3(255)0.3x÷4=4.2(256)1.8x÷8=0.9(257)0.5x÷2=1(258)1x÷35=0.4(259)0.7x÷4=2.1(260)0.3x÷2=2.4(261)0.7x÷14=1.1(262)9x÷6=2.7(263)8x÷16=0.2(264)2x÷28=0.5(265)14x÷2=2.8(266)39x÷13=0.9(267)4x÷13=1.2(268)21x÷28=0.3(269)20x÷10=1.4(270)10x÷3=2(271)19x+10x=116(272)19x+10x=203(273)2x+9x=242(274)13x+3x=160(275)10x+17x=81(276)15x+18x=297(277)12x+2x=112(278)3x+15x=108(279)6x+9x=255(280)17x-10x=28(281)10x-7x=51(282)9x-6x=48(283)16x-8x=80(284)15x-2x=156(285)5x-3x=22(286)6x-3x=51(287)5x-3x=20(288)13x-5x=120(289)1.4x+8.7x=80.8(290)1.3x+1.8x=114.7(291)0.5x+0.2x=21(292)0.9x+0.7x=46.4(293)0.9x+2.3x=105.6(294)6.9x+7.4x=42.9(295)0.7x+0.4x=25.3(296)4.2x+5.9x=70.7(297)1.2x+2.2x=112.2(298)8.3x-7.5x=4(299)1.2x-0.6x=41.4(300)6.4x-4.6x=27(301)4.2x-0.5x=29.6(302)8x-5.8x=4.4(303)1.9x-0.2x=22.1(304)2.7x-1.6x=34.1(305)1.9x-0.2x=17(306)2.3x-1.9x=8.4(307)6x+17x+41=294(308)4x+11x+19=154(309)10x+16x+20=98(310)3x+7x+32=232(311)14x+7x+17=248(312)4x+16x+10=210(313)3x+5x+47=367(314)3x+4x+29=127(315)6x+8x+44=352(316)5x+9x-45=263(317)15x+3x-30=60(318)8x+10x-17=235(319)10x+5x-8=97(320)4x+8x-6=138(321)7x+6x-49=120(322)4x+2x-17=79(323)6x+15x-12=177(324)12x+7x-46=49(325)10x-8x+19=49(326)4x-2x+13=59(327)5x-2x+24=72(328)11x-6x+47=137(329)16x-2x+35=91(330)12x-2x+6=46(331)17x-10x+27=55(332)4x-2x+4=18(333)17x-15x+34=54(334)6x-3x-28=62(335)7x-2x-11=59(336)18x-14x-9=15(337)5x-2x-36=81(338)7x-2x-18=107(339)17x-5x-46=74(340)18x-12x-37=11(341)13x-2x-11=77(342)12x-10x-6=20(343)2.7x+1.2x+0.5=144.8(344)0.9x+2.7x+1.1=91.1(345)4.5x+6.6x+1=89.8(346)9.1x+2.9x+2.6=62.6(347)9.4x+9.1x+3.3=40.3(348)1.9x+0.2x+4.8=107.7(349)7.9x+5.6x+4.1=152.6(350)8.5x+7.4x+3.3=35.1(351)9.3x+7.8x+2.7=139.5(352)26x+27x+0.5=164.8(353)5x+3x+3.7=5.3(354)86x+72x+0.5=111.1(355)63x+29x+1=83.8(356)53x+14x+1.6=48.5(357)52x+54x+1=32.8(358)65x+66x+3.7=29.9(359)6x+7x+1.7=78.4(360)81x+46x+2.2=27.6(361)3.3x+7.6x-4.3=82.9(362)5.4x+4.4x-4.9=44.1(363)7.6x+3.4x-2.9=30.1(364)0.9x+2.8x-1.8=83.3(365)9x+9.1x-3=51.3(366)2.3x+5.2x-3.5=139(367)9.2x+1.1x-0.3=30.6(368)4.6x+4.5x-3.7=105.5(369)5.2x+5x-0.5=91.3(370)42x+95x-1.6=66.9(371)56x+50x-1.4=30.4(372)10x+26x-2.5=119.9(373)26x+51x-4.1=42.1(374)55x+36x-3.2=160.6(375)29x+85x-2.9=19.9(376)47x+63x-4.7=61.3(377)8x+17x-1=61.5(378)19x+9x-4.2=116.2(379)7.1x-0.7x+3.4=80.2(380)6.2x-2.4x+3.5=52.9(381)9.9x-2.7x+3.5=25.1(382)3.5x-2.8x+1.7=5.9(383)2.2x-1.3x+4.7=35.3(384)4.1x-3.8x+2=5.9(385)4.4x-1.3x+2.4=39.6(386)5.5x-1.6x+3.1=69.4(387)5.7x-1x+1.4=20.2(388)4x-2x+0.2=2(389)27x-20x+3.4=19.5(390)64x-34x+4=31(391)72x-6x+0.6=86.4(392)48x-42x+3.9=8.7(393)44x-31x+4.5=21.4(394)76x-47x+3=34.9(395)72x-34x+4.1=45.9(396)63x-58x+4.5=6(397)4.6x-1.4x-2=23.6(398)5.7x-3.2x-1.5=21(399)7.7x-5.7x-4.7=1.3(400)4.7x-0.6x-0.3=77.6(401)1.9x-1.1x-3.2=22.4(402)8.9x-2.3x-4.8=61.2(403)1.2x-0.8x-3.2=24.8(404)1.6x-1.3x-0.8=5.2(405)8.3x-7.1x-1.3=1.1(406)31x-2x-4.8=3.9(407)96x-80x-3.1=8.1(408)49x-24x-1.1=28.9(409)52x-18x-0.7=23.1(410)73x-37x-1.9=26.9(411)40x-19x-2.9=47.5(412)67x-56x-3.9=11.5(413)29x-5x-4.9=74.3(414)39x-22x-1.7=11.9(415)12x+8×6=132(416)2x+4×21=260(417)2x+25×5=235(418)5x+36×4=309(419)7x+6×2=124(420)3x+59×3=372(421)10x+44×3=172(422)26x+11×16=254(423)13x+2×69=268(424)2x-5×8=68(425)24x-2×28=112(426)15x-15×3=15(427)2x-6×3=12(428)17x-5×3=87(429)6x-3×38=18(430)7x-4×11=61(431)12x-2×57=66(432)2x-2×21=100(433)0.4x+1.8×11=37(434)1.4x+2.1×6=19.6(435)2.2x+2.7×2=23(436)0.5x+0.6×10=24(437)1x+0.8×11=20.8(438)0.8x+0.5×26=20.2(439)3.3x+2.1×6=22.5(440)0.8x+1.6×12=29.6(441)1.2x+0.2×8=6.4(442)10x+4×2.9=27.6(443)5x+8×1=14(444)27x+10×0.8=24.2(445)11x+3×2.3=25.6(446)7x+19×0.4=16.7(447)17x+2×3.9=19.7(448)4x+15×1=28.6(449)10x+4×3.7=29.8(450)20x+36×0.4=20.4(451)0.6x-1.4×6=1.2(452)0.3x-0.3×20=4.8(453)1.7x-0.3×19=2.8(454)4.2x-2.2×2=4(455)0.4x-0.2×6=6(456)1.6x-1.1×9=1.3(457)3.5x-0.9×6=1.6(458)0.5x-0.6×27=3.8(459)3.3x-1.8×3=1.2(460)5x-18×0.5=9(461)16x-4×0.6=12(462)7x-27×0.4=3.9(463)47x-39×0.3=2.4(464)6x-2×1.9=7(465)4x-13×0.5=8.3(466)4x-2×3=11.2(467)18x-17×0.5=9.5(468)36x-26×0.4=7.6(469)3(3x+45)=162(470)4(9x+19)=184(471)2(2x+21)=138(472)20(x+2)=120(473)3(2x+14)=78(474)5(9x+6)=165(475)2(10x+41)=182(476)2(5x+3)=126(477)3(2x+32)=126(478)14(6x-17)=182(479)3(18x-8)=84(480)8(2x-22)=176(481)3(6x-37)=159(482)14(9x-15)=168(483)8(18x-38)=128(484)3(5x-4)=198(485)2(13x-43)=44(486)4(11x-20)=184(487)3(1.1x+7)=30.9(488)2(0.4x+3.3)=21.8(489)4(1.3x+2.9)=48(490)21(0.4x+0.9)=44.1(491)2(1.1x+5.3)=17.2(492)2(0.3x+7.6)=35(493)3(0.2x+0.4)=10.2(494)11(0.4x+1)=46.2(495)3(0.8x+1.1)=15.3(496)3(5.1x-7.3)=39.3(497)12(2.2x-0.5)=46.8(498)4(1.1x-5)=28.4(499)7(1.1x-6.3)=25.2(500)20(0.7x-0.6)=44(501)3(4.9x-3.4)=33.9(502)29(0.3x-3.3)=34.8(503)6(1.7x-3.8)=7.8(504)9(0.2x-2.6)=39.6(505)(6x+16)÷40=4(506)(13x+34)÷21=14(507)(7x+38)÷19=9(508)(18x+48)÷42=2(509)(12x+16)÷2=116(510)(19x+30)÷4=36(511)(15x+45)÷40=3(512)(4x+21)÷33=1(513)(2x+16)÷6=8(514)(6x-13)÷13=5(515)(15x-20)÷2=125(516)(8x-4)÷4=53(517)(10x-38)÷11=2(518)(14x-48)÷8=22(519)(6x-44)÷32=2(520)(18x-8)÷4=7(521)(15x-22)÷2=34(522)(8x-20)÷4=35(523)(7.3x+4.4)÷11=7.7(524)(3.9x+2.9)÷14=5.5(525)(1.7x+8.2)÷2=7.5(526)(4.3x+5.5)÷16=3.3(527)(5.5x+1)÷2=11.5(528)(5.8x+4.6)÷10=8(529)(6.5x+3.8)÷4=23.7(530)(3.5x+6.1)÷17=1.8(531)(9.9x+9.3)÷3=9.7(532)(0.9x-4.3)÷4=2.3(533)(5.4x-3.8)÷8=5.6(534)(5x-1)÷5=2.8(535)(4.5x-3)÷2=30(536)(9x-2)÷20=0.8(537)(4.2x-6)÷6=10.2(538)(5.3x-7.9)÷6=8.4(539)(7.3x-6.9)÷5=17.6(540)(2.2x-5.1)÷17=1.9參考答案(1)x=11(2)x=17(3)x=67(4)x=13(5)x=65(6)x=2(7)x=31(8)x=65(9)x=34(10)x=85(11)x=87(12)x=74(13)x=79(14)x=74(15)x=70(16)x=59(17)x=87(18)x=72(19)x=6.6(20)x=9.3(21)x=6.8(22)x=8.4(23)x=1.1(24)x=2(25)x=8.5(26)x=0.9(27)x=5.9(28)x=6.7(29)x=5.6(30)x=9.5(31)x=9.9(32)x=4.1(33)x=6.5(34)x=8.9(35)x=8.9(36)x=8.2(37)x=49(38)x=80(39)x=45(40)x=5(41)x=7(42)x=84(43)x=83(44)x=90(45)x=42(46)x=10(47)x=2(48)x=54(49)x=25(50)x=37(51)x=11(52)x=8(53)x=23(54)x=9(55)x=9.9(56)x=0.7(57)x=8(58)x=9.9(59)x=2.3(60)x=4.9(61)x=6.7(62)x=1.6(63)x=3(64)x=5.3(65)x=0.3(66)x=1.5(67)x=1.2(68)x=0.7(69)x=2.1(70)x=1.6(71)x=6.5(72)x=2.7(73)x=25(74)x=4(75)x=2(76)x=6(77)x=2(78)x=2(79)x=99(80)x=65(81)x=41(82)x=7(83)x=10(84)x=4(85)x=14(86)x=10(87)x=7(88)x=4(89)x=15(90)x=12(91)x=2.1(92)x=0.8(93)x=0.5(94)x=1.9(95)x=0.7(96)x=2.8(97)x=0.7(98)x=5.3(99)x=5(100)x=38(101)x=4(102)x=16(103)x=32(104)x=5(105)x=46(106)x=11(107)x=13(108)x=72(109)x=13(110)x=16(111)x=18(112)x=25(113)x=15(114)x=8(115)x=16(116)x=61(117)x=21(118)x=144(119)x=136(120)x=54(121)x=105(122)x=144(123)x=145(124)x=104(125)x=99(126)x=169(127)x=4(128)x=5.6(129)x=4(130)x=17.6(131)x=8(132)x=7.2(133)x=8(134)x=18.7(135)x=2.4(136)x=8(137)x=4(138)x=78(139)x=6(140)x=5(141)x=2(142)x=12(143)x=13(144)x=10(145)x=5(146)x=7(147)x=9(148)x=19(149)x=2(150)x=59(151)x=25(152)x=29(153)x=4(154)x=6.1(155)x=0.3(156)x=3(157)x=2.1(158)x=2.3(159)x=0.5(160)x=0.2(161)x=0.2(162)x=0.4(163)x=50(164)x=35(165)x=2(166)x=5(167)x=27(168)x=12(169)x=2(170)x=44(171)x=5(172)x=0.3(173)x=3.9(174)x=4.1(175)x=0.6(176)x=4.7(177)x=0.2(178)x=0.5(179)x=2.6(180)x=2(181)x=2(182)x=17(183)x=25(184)x=2(185)x=7(186)x=5(187)x=15(188)x=9(189)x=14(190)x=28(191)x=2(192)x=9(193)x=95(194)x=21(195)x=2(196)x=2(197)x=3(198)x=11(199)x=5(200)x=3(201)x=3(202)x=9(203)x=10(204)x=4(205)x=9(206)x=4(207)x=76(208)x=3(209)x=30(210)x=2(211)x=38(212)x=35(213)x=12(214)x=2(215)x=2(216)x=3(217)x=1.7(218)x=4.5(219)x=2.6(220)x=3.6(221)x=1.3(222)x=0.2(223)x=0.3(224)x=3.9(225)x=1.1(226)x=19(227)x=13(228)x=5(229)x=15(230)x=50(231)x=3(232)x=2(233)x=12(234)x=29(235)x=0.3(236)x=0.4(237)x=0.2(238)x=1.6(239)x=0.9(240)x=0.6(241)x=1.1(242)x=0.6(243)x=1.3(244)x=2(245)x=20(246)x=26(247)x=12(248)x=32(249)x=9(250)x=9(251)x=2(252)x=60(253)x=7(254)x=45(255)x=56(256)x=4(257)x=4(258)x=14(259)x=12(260)x=16(261)x=22(262)x=1.8(263)x=0.4(264)x=7(265)x=0.4(266)x=0.3(267)x=3.9(268)x=0.4(269)x=0.7(270)x=0.6(271)x=4(272)x=7(273)x=22(274)x=10(275)x=3(276)x=9(277)x=8(278)x=6(279)x=17(280)x=4(281)x=17(282)x=16(283)x=10(284)x=12(285)x=11(286)x=17(287)x=10(288)x=15(289)x=8(290)x=37(291)x=30(292)x=29(293)x=33(294)x=3(295)x=23(296)x=7(297)x=33(298)x=5(299)x=69(300)x=15(301)x=8(302)x=2(303)x=13(304)x=31(305)x=10(306)x=21(307)x=11(308)x=9(309)x=3(310)x=20(311)x=11(312)x=10(313)x=40(314)x=14(315)x=22(316)x=22(317)x=5(318)x=14(319)x=7(320)x=12(321)x=13(322)x=16(323)x=9(324)x=5(325)x=15(326)x=23(327)x=16(328)x=18(329)x=4(330)x=4(331)x=4(332)x=7(333)x=10(334)x=30(335)x=14(336)x=6(337)x=39(338)x=25(339)x=10(340)x=8(341)x=8(342)x=13(343)x=37(344)x=25(345)x=8(346)x=5(347)x=2(348)x=49(349)x=11(350)x=2(351)x=8(352)x=3.1(353)x=0.2(354)x=0.7(355)x=0.9(356)x=0.7(357)x=0.3(358)x=0.2(359)x=5.9(360)x=0.2(361)x=8(362)x=5(363)x=3(364)x=23(365)x=3(366)x=19(367)x=3(368)x=12(369)x=9(370)x=0.5(371)x=0.3(372)x=3.4(373)x=0.6(374)x=1.8(375)x=0.2(376)x=0.6(377)x=2.5(378)x=4.3(379)x=12(380)x=13(381)x=3(382)x=6(383)x=34(384)x=13(385)x=12(386)x=17(387)x=4(388)x=0.9(389)x=2.3(390)x=0.9(391)x=1.3(39