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+22=108(2)x+94=181(3)x+49=86(4)x+72=77(5)x+89=160(6)x+68=138(7)x+79=165(8)x+97=102(9)x+4=100(10)x-17=77(11)x-37=23(12)x-43=43(13)x-6=15(14)x-45=20(15)x-14=84(16)x-18=20(17)x-24=35(18)x-39=47(19)x+9.8=16.2(20)x+2.3=10.6(21)x+6.8=9.9(22)x+2.1=6.8(23)x+5.2=12.4(24)x+3.3=7.9(25)x+9.2=17.7(26)x+2.7=11.6(27)x+8.1=11.8(28)x-3.2=4.9(29)x-1.5=2.4(30)x-4.9=3.3(31)x-4.6=1.2(32)x-2.5=6.9(33)x-3=3.7(34)x-6.6=3.2(35)x-1.6=2.1(36)x-2=7.9(37)91+x=93(38)11+x=42(39)68+x=144(40)53+x=84(41)19+x=30(42)83+x=109(43)93+x=175(44)71+x=93(45)96+x=144(46)79-x=52(47)87-x=23(48)57-x=14(49)76-x=53(50)96-x=66(51)59-x=31(52)84-x=54(53)72-x=20(54)68-x=32(55)3.8+x=13.6(56)0.5+x=2.7(57)9.2+x=12.6(58)0.4+x=2.8(59)3.2+x=7.1(60)1.9+x=2.4(61)8+x=9.9(62)5.7+x=9.6(63)9.5+x=17.6(64)9.6-x=6.4(65)8.8-x=2.7(66)3.6-x=1.1(67)4.9-x=3.7(68)5.4-x=3.8(69)9-x=5.5(70)9.4-x=2.2(71)6.3-x=1.4(72)3.8-x=1.6(73)9x=54(74)46x=138(75)3x=15(76)18x=126(77)2x=172(78)4x=196(79)4x=192(80)73x=146(81)2x=122(82)0.7x=5.6(83)8.4x=16.8(84)0.2x=18(85)0.3x=2.1(86)0.2x=17.4(87)0.5x=13(88)1.6x=19.2(89)5.1x=15.3(90)5.3x=10.6(91)2x=7.8(92)86x=17.2(93)3x=19.5(94)35x=17.5(95)11x=4.4(96)2x=16(97)19x=15.2(98)5x=17(99)3x=13.2(100)180÷x=36(101)123÷x=3(102)48÷x=16(103)28÷x=2(104)24÷x=8(105)48÷x=24(106)168÷x=28(107)30÷x=6(108)184÷x=2(109)19.6÷x=1.4(110)13.8÷x=0.2(111)17÷x=3.4(112)6÷x=0.2(113)18.8÷x=0.2(114)14÷x=1.4(115)5.4÷x=1.8(116)17.6÷x=0.8(117)2.1÷x=0.7(118)x÷4=48(119)x÷77=2(120)x÷4=8(121)x÷3=41(122)x÷2=29(123)x÷12=6(124)x÷6=32(125)x÷10=17(126)x÷39=3(127)x÷4=0.7(128)x÷7=1.3(129)x÷8=1.4(130)x÷7=2.1(131)x÷6=2.3(132)x÷6=1.1(133)x÷27=0.3(134)x÷6=2(135)x÷26=0.3(136)3x+57=183(137)16x+12=188(138)13x+39=117(139)4x+15=167(140)16x+12=108(141)3x+34=112(142)30x+49=229(143)4x+16=168(144)6x+30=216(145)7x-39=59(146)3x-53=103(147)81x-56=106(148)81x-46=116(149)43x-43=43(150)32x-47=145(151)47x-55=133(152)3x-14=85(153)29x-20=38(154)31x+4.4=10.6(155)4x+1.2=2.8(156)10x+4.7=14.7(157)2x+3.8=7(158)6x+1.2=15.6(159)7x+1.1=8.8(160)11x+2.3=22.1(161)2x+5.7=19.7(162)4x+5.9=9.9(163)0.5x+4.7=18.7(164)1.3x+1.2=5.1(165)0.3x+3=21.6(166)2.1x+2.9=15.5(167)0.7x+1.2=13.8(168)0.2x+4.7=19.7(169)1.5x+4.9=15.4(170)0.3x+3.4=10.3(171)0.3x+3.4=7.3(172)12x-2.6=7(173)8x-4.2=13.4(174)2x-1.2=10.2(175)15x-2=1(176)14x-4.3=6.9(177)3x-5.1=10.5(178)2x-3.9=6.3(179)10x-5.4=4.6(180)13x-1.4=2.5(181)1.4x-2.1=17.5(182)6.7x-2.6=10.8(183)0.9x-1.9=7.1(184)1.1x-4.8=2.9(185)1.3x-4.2=2.3(186)4.4x-1=12.2(187)1.7x-3.2=5.3(188)6.4x-5.8=7(189)0.2x-3.4=13.8(190)97+3x=244(191)94+3x=190(192)100+20x=200(193)146+87x=320(194)161+14x=273(195)17+4x=89(196)130+2x=312(197)140+4x=188(198)164+62x=350(199)173-41x=91(200)177-6x=63(201)189-5x=104(202)87-3x=78(203)72-6x=36(204)149-21x=65(205)190-4x=146(206)26-3x=17(207)102-2x=14(208)15.5+3.4x=25.7(209)13.8+0.2x=23.2(210)2.1+0.2x=19.3(211)19.4+1.3x=31.1(212)6.2+0.9x=9.8(213)10.3+0.4x=25.5(214)19.5+6.6x=32.7(215)12.4+0.6x=22(216)10.6+0.2x=29.6(217)1.4+20x=11.4(218)7.6+12x=20.8(219)11.9+18x=29.9(220)7.3+14x=21.3(221)19.2+43x=36.4(222)15.6+5x=21.1(223)19.1+20x=25.1(224)7+2x=21.4(225)1.1+21x=11.6(226)19.3-7.7x=3.9(227)18.1-2x=6.1(228)18.7-2.5x=6.2(229)8.7-0.6x=6.3(230)13.5-1.1x=4.7(231)17.4-0.8x=15.8(232)19.4-0.9x=10.4(233)9.6-0.3x=6.9(234)17.9-0.8x=9.1(235)16.9-4x=13.3(236)14.1-7x=11.3(237)9.8-4x=7.4(238)7.4-6x=2.6(239)10.1-4x=4.5(240)18.1-43x=9.5(241)19.7-2x=6.1(242)18-13x=6.3(243)17-7x=5.1(244)2x÷29=6(245)6x÷5=36(246)2x÷42=4(247)5x÷10=9(248)24x÷2=48(249)20x÷14=10(250)10x÷70=2(251)33x÷11=18(252)60x÷10=12(253)0.9x÷8=1.8(254)3x÷90=0.2(255)0.6x÷18=1(256)2.7x÷21=0.9(257)8x÷10=1.6(258)7x÷4=3.5(259)0.3x÷15=0.8(260)5.1x÷34=0.3(261)3x÷24=0.5(262)9x÷4=2.7(263)28x÷7=2(264)5x÷15=0.3(265)24x÷64=0.3(266)90x÷36=0.5(267)6x÷12=1.4(268)48x÷16=0.6(269)48x÷18=0.8(270)16x÷8=1(271)11x+19x=90(272)17x+11x=224(273)15x+12x=216(274)17x+4x=147(275)18x+10x=112(276)16x+10x=78(277)16x+15x=62(278)18x+14x=320(279)2x+9x=121(280)5x-2x=81(281)14x-12x=18(282)9x-3x=114(283)17x-12x=10(284)10x-2x=136(285)17x-4x=65(286)19x-11x=80(287)16x-8x=32(288)8x-6x=24(289)4.1x+8.1x=97.6(290)3.3x+2.9x=80.6(291)5.9x+3.5x=56.4(292)5.3x+8.2x=148.5(293)5.4x+8.5x=111.2(294)2x+2.7x=61.1(295)1.2x+0.3x=120(296)1.3x+1.2x=117.5(297)6.7x+2.1x=88(298)8.3x-2.8x=33(299)1.5x-1x=18(300)5.9x-4.9x=14(301)6.9x-0.3x=72.6(302)3.3x-1.4x=20.9(303)3x-1x=24(304)7.5x-0.9x=13.2(305)4.2x-3.2x=12(306)4.9x-4.2x=9.1(307)10x+7x+31=286(308)6x+7x+18=122(309)2x+4x+18=54(310)6x+2x+16=120(311)2x+12x+47=187(312)12x+5x+33=152(313)13x+18x+6=161(314)4x+11x+18=213(315)15x+9x+23=167(316)9x+16x-8=67(317)16x+19x-9=96(318)6x+3x-13=104(319)4x+14x-37=143(320)5x+2x-27=43(321)16x+7x-42=142(322)4x+7x-11=22(323)6x+2x-28=172(324)6x+4x-12=288(325)4x-2x+39=77(326)7x-3x+18=82(327)14x-3x+16=38(328)7x-3x+42=62(329)9x-7x+10=30(330)10x-5x+36=46(331)8x-5x+31=76(332)14x-2x+23=107(333)18x-15x+23=56(334)15x-4x-47=96(335)16x-3x-40=90(336)12x-8x-38=22(337)17x-7x-10=10(338)16x-8x-21=11(339)12x-4x-15=105(340)16x-14x-6=18(341)17x-5x-48=24(342)4x-2x-30=10(343)7.5x+8.8x+0.4=163.4(344)0.7x+2.2x+4.6=103.2(345)0.3x+1.7x+2.2=106.2(346)5.5x+1.9x+1.8=24(347)1.7x+1.8x+2.8=104.3(348)4.3x+9.4x+1.4=28.8(349)1.3x+3.9x+4.4=108.4(350)8.8x+8.2x+1.8=86.8(351)5.2x+8x+2.4=68.4(352)65x+84x+1.9=121.1(353)64x+62x+4.6=105.4(354)82x+4x+1=87(355)37x+2x+3.8=31.1(356)60x+64x+0.7=87.5(357)20x+90x+3.2=36.2(358)75x+70x+3.8=148.8(359)29x+22x+3.3=44.1(360)17x+30x+3=45.3(361)7.2x+8.9x-2.4=126.4(362)8.7x+4.1x-4.9=71.9(363)1.3x+0.6x-0.8=14.4(364)1.2x+4.4x-0.3=61.3(365)2.8x+9.6x-2.2=35(366)2.8x+9x-2.4=68.4(367)5.8x+2.4x-1.4=113.4(368)4.8x+3.8x-4.3=55.9(369)2.1x+1.7x-1.4=29(370)32x+8x-3.2=68.8(371)26x+55x-1.3=39.2(372)75x+32x-1.2=63(373)49x+93x-2.9=124.9(374)26x+34x-2=64(375)17x+16x-4.7=114.1(376)45x+97x-3.7=38.9(377)17x+49x-3.8=16(378)70x+73x-3.4=153.9(379)3.1x-1.3x+2.6=45.8(380)9.7x-7.9x+1.4=12.2(381)1.9x-0.9x+3.8=39.8(382)4.2x-3.5x+1.6=17(383)7.7x-7.4x+3.2=6.2(384)5.5x-2.7x+4.2=54.6(385)7.1x-2.6x+0.7=54.7(386)4x-2x+4.7=40.7(387)4.2x-1.5x+4.7=18.2(388)22x-16x+2.6=7.4(389)46x-10x+1.2=51.6(390)38x-16x+4=61.2(391)39x-34x+2.6=8.1(392)71x-31x+1.5=37.5(393)52x-31x+4.1=18.8(394)30x-27x+2.9=5.9(395)47x-43x+2.8=7.6(396)59x-48x+0.8=16.2(397)3.2x-1.7x-3.7=30.8(398)9.3x-1.7x-4.9=25.5(399)3.1x-1.2x-1.5=46(400)3.7x-1.7x-0.8=43.2(401)2.6x-1.9x-4.5=10.2(402)7.3x-0.7x-2.7=76.5(403)7.4x-4.5x-3.1=25.9(404)2.7x-0.7x-2.8=19.2(405)3.2x-0.5x-2.1=14.1(406)83x-55x-2.8=28(407)17x-9x-2.4=32(408)68x-14x-1.3=14.9(409)15x-12x-4.2=7.8(410)60x-3x-3.2=36.7(411)26x-5x-0.3=62.7(412)88x-40x-0.8=28(413)93x-24x-4=23.6(414)69x-60x-1.9=2.6(415)25x+15×8=270(416)8x+4×45=356(417)2x+2×89=192(418)9x+25×6=222(419)7x+2×86=298(420)2x+4×17=202(421)11x+18×10=356(422)2x+5×3=39(423)2x+7×27=281(424)12x-62×2=68(425)2x-10×7=62(426)25x-13×6=72(427)8x-8×11=96(428)13x-3×7=44(429)3x-15×2=81(430)9x-2×7=49(431)12x-14×7=34(432)29x-4×18=73(433)1.8x+1.9×2=18.2(434)3.7x+0.9×11=17.3(435)1.1x+0.5×29=23.3(436)0.3x+0.4×30=16.2(437)0.4x+2×8=19.6(438)1.7x+0.2×12=12.6(439)1.5x+0.6×32=32.7(440)3.3x+2.1×5=23.7(441)0.2x+0.5×7=4.7(442)2x+3×1.4=12.6(443)31x+9×1.2=26.3(444)19x+13×0.7=12.9(445)9x+14×0.8=21.1(446)4x+40×0.2=13.2(447)23x+12×0.5=10.6(448)4x+2×1.9=7.4(449)7x+13×1.1=18.5(450)6x+7×1.4=14(451)2.5x-0.7×4=4.7(452)3.6x-2.2×4=2(453)0.6x-0.8×7=11.8(454)3.6x-1.4×2=15.2(455)0.8x-0.5×31=1.3(456)2.7x-0.8×20=2.9(457)1.5x-0.6×2=15.3(458)0.2x-0.3×18=1(459)1.9x-4.6×2=9.8(460)4x-7×1.1=6.7(461)31x-16×0.7=1.2(462)14x-3×0.4=1.6(463)19x-28×0.4=7.8(464)20x-20×0.8=4(465)6x-14×0.2=6.8(466)5x-3×0.9=6.8(467)8x-4×1.6=8.8(468)24x-3×3.3=9.3(469)3(x+9)=42(470)4(3x+25)=136(471)4(21x+4)=184(472)3(3x+8)=141(473)3(16x+6)=162(474)2(29x+8)=190(475)2(x+39)=156(476)3(10x+4)=102(477)6(x+6)=120(478)3(20x-21)=177(479)8(5x-8)=96(480)6(28x-28)=168(481)3(18x-23)=93(482)6(6x-29)=114(483)3(12x-14)=66(484)7(9x-16)=140(485)18(x-33)=180(486)3(19x-38)=57(487)3(x+5.8)=35.4(488)3(0.9x+2.8)=40.8(489)4(2.6x+1.5)=37.2(490)5(0.2x+7.6)=47(491)3(0.7x+2.3)=44.7(492)15(0.2x+0.4)=30(493)3(0.7x+2.2)=27.6(494)5(1.3x+3.8)=45(495)5(1.6x+1.3)=22.5(496)12(2x-7.9)=49.2(497)24(0.5x-7.4)=38.4(498)2(0.3x-1.3)=26.2(499)3(3.3x-7.7)=6.6(500)25(3.5x-8.6)=47.5(501)2(3x-9.4)=17.2(502)3(0.9x-1)=40.2(503)5(1.3x-4)=25.5(504)5(5.7x-9.7)=8.5(505)(6x+34)÷38=5(506)(10x+6)÷9=4(507)(7x+41)÷20=8(508)(5x+37)÷11=12(509)(3x+30)÷24=2(510)(4x+30)÷2=55(511)(10x+10)÷3=80(512)(5x+38)÷8=16(513)(17x+19)÷2=69(514)(13x-30)÷31=7(515)(6x-42)÷5=18(516)(13x-35)÷2=67(517)(9x-9)÷27=1(518)(18x-7)÷47=1(519)(3x-9)÷24=3(520)(6x-26)÷22=4(521)(12x-40)÷4=29(522)(5x-44)÷9=9(523)(3.4x+9.5)÷7=6.7(524)(3.6x+6.8)÷20=0.7(525)(3.8x+8.2)÷4=16.3(526)(0.4x+8.2)÷22=0.7(527)(1.4x+2.6)÷11=1(528)(5.1x+2.5)÷4=12.1(529)(9.1x+2.3)÷30=2.2(530)(3.4x+2.8)÷32=2(531)(8.8x+1)÷2=48.9(532)(2.2x-3.3)÷11=1.7(533)(3.4x-0.4)÷32=1.9(534)(1.8x-2.7)÷7=2.7(535)(7.5x-0.3)÷3=22.4(536)(2.2x-8.2)÷34=0.6(537)(7.6x-1)÷6=8.7(538)(1.3x-4)÷12=1.4(539)(8x-7.5)÷5=3.3(540)(6.7x-5.2)÷5=7参考答案(1)x=86(2)x=87(3)x=37(4)x=5(5)x=71(6)x=70(7)x=86(8)x=5(9)x=96(10)x=94(11)x=60(12)x=86(13)x=21(14)x=65(15)x=98(16)x=38(17)x=59(18)x=86(19)x=6.4(20)x=8.3(21)x=3.1(22)x=4.7(23)x=7.2(24)x=4.6(25)x=8.5(26)x=8.9(27)x=3.7(28)x=8.1(29)x=3.9(30)x=8.2(31)x=5.8(32)x=9.4(33)x=6.7(34)x=9.8(35)x=3.7(36)x=9.9(37)x=2(38)x=31(39)x=76(40)x=31(41)x=11(42)x=26(43)x=82(44)x=22(45)x=48(46)x=27(47)x=64(48)x=43(49)x=23(50)x=30(51)x=28(52)x=30(53)x=52(54)x=36(55)x=9.8(56)x=2.2(57)x=3.4(58)x=2.4(59)x=3.9(60)x=0.5(61)x=1.9(62)x=3.9(63)x=8.1(64)x=3.2(65)x=6.1(66)x=2.5(67)x=1.2(68)x=1.6(69)x=3.5(70)x=7.2(71)x=4.9(72)x=2.2(73)x=6(74)x=3(75)x=5(76)x=7(77)x=86(78)x=49(79)x=48(80)x=2(81)x=61(82)x=8(83)x=2(84)x=90(85)x=7(86)x=87(87)x=26(88)x=12(89)x=3(90)x=2(91)x=3.9(92)x=0.2(93)x=6.5(94)x=0.5(95)x=0.4(96)x=8(97)x=0.8(98)x=3.4(99)x=4.4(100)x=5(101)x=41(102)x=3(103)x=14(104)x=3(105)x=2(106)x=6(107)x=5(108)x=92(109)x=14(110)x=69(111)x=5(112)x=30(113)x=94(114)x=10(115)x=3(116)x=22(117)x=3(118)x=192(119)x=154(120)x=32(121)x=123(122)x=58(123)x=72(124)x=192(125)x=170(126)x=117(127)x=2.8(128)x=9.1(129)x=11.2(130)x=14.7(131)x=13.8(132)x=6.6(133)x=8.1(134)x=12(135)x=7.8(136)x=42(137)x=11(138)x=6(139)x=38(140)x=6(141)x=26(142)x=6(143)x=38(144)x=31(145)x=14(146)x=52(147)x=2(148)x=2(149)x=2(150)x=6(151)x=4(152)x=33(153)x=2(154)x=0.2(155)x=0.4(156)x=1(157)x=1.6(158)x=2.4(159)x=1.1(160)x=1.8(161)x=7(162)x=1(163)x=28(164)x=3(165)x=62(166)x=6(167)x=18(168)x=75(169)x=7(170)x=23(171)x=13(172)x=0.8(173)x=2.2(174)x=5.7(175)x=0.2(176)x=0.8(177)x=5.2(178)x=5.1(179)x=1(180)x=0.3(181)x=14(182)x=2(183)x=10(184)x=7(185)x=5(186)x=3(187)x=5(188)x=2(189)x=86(190)x=49(191)x=32(192)x=5(193)x=2(194)x=8(195)x=18(196)x=91(197)x=12(198)x=3(199)x=2(200)x=19(201)x=17(202)x=3(203)x=6(204)x=4(205)x=11(206)x=3(207)x=44(208)x=3(209)x=47(210)x=86(211)x=9(212)x=4(213)x=38(214)x=2(215)x=16(216)x=95(217)x=0.5(218)x=1.1(219)x=1(220)x=1(221)x=0.4(222)x=1.1(223)x=0.3(224)x=7.2(225)x=0.5(226)x=2(227)x=6(228)x=5(229)x=4(230)x=8(231)x=2(232)x=10(233)x=9(234)x=11(235)x=0.9(236)x=0.4(237)x=0.6(238)x=0.8(239)x=1.4(240)x=0.2(241)x=6.8(242)x=0.9(243)x=1.7(244)x=87(245)x=30(246)x=84(247)x=18(248)x=4(249)x=7(250)x=14(251)x=6(252)x=2(253)x=16(254)x=6(255)x=30(256)x=7(257)x=2(258)x=2(259)x=40(260)x=2(261)x=4(262)x=1.2(263)x=0.5(264)x=0.9(265)x=0.8(266)x=0.2(267)x=2.8(268)x=0.2(269)x=0.3(270)x=0.5(271)x=3(272)x=8(273)x=8(274)x=7(275)x=4(276)x=3(277)x=2(278)x=10(279)x=11(280)x=27(281)x=9(282)x=19(283)x=2(284)x=17(285)x=5(286)x=10(287)x=4(288)x=12(289)x=8(290)x=13(291)x=6(292)x=11(293)x=8(294)x=13(295)x=80(296)x=47(297)x=10(298)x=6(299)x=36(300)x=14(301)x=11(302)x=11(303)x=12(304)x=2(305)x=12(306)x=13(307)x=15(308)x=8(309)x=6(310)x=13(311)x=10(312)x=7(313)x=5(314)x=13(315)x=6(316)x=3(317)x=3(318)x=13(319)x=10(320)x=10(321)x=8(322)x=3(323)x=25(324)x=30(325)x=19(326)x=16(327)x=2(328)x=5(329)x=10(330)x=2(331)x=15(332)x=7(333)x=11(334)x=13(335)x=10(336)x=15(337)x=2(338)x=4(339)x=15(340)x=12(341)x=6(342)x=20(343)x=10(344)x=34(345)x=52(346)x=3(347)x=29(348)x=2(349)x=20(350)x=5(351)x=5(352)x=0.8(353)x=0.8(354)x=1(355)x=0.7(356)x=0.7(357)x=0.3(358)x=1(359)x=0.8(360)x=0.9(361)x=8(362)x=6(363)x=8(364)x=11(365)x=3(366)x=6(367)x=14(368)x=7(369)x=8(370)x=1.8(371)x=0.5(372)x=0.6(373)x=0.9(374)x=1.1(375)x=3.6(376)x=0.3(377)x=0.3(378)x=1.1(379)x=24(380)x=6(381)x=36(382)x=22(383)x=10(384)x=18(385)x=12(386)x=18(387)x=5(388)x=0.8(389)x=1.4(390)x=2.6(391)