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+25=73(2)x+88=163(3)x+17=44(4)x+4=16(5)x+32=44(6)x+44=79(7)x+17=32(8)x+66=119(9)x+33=70(10)x-32=64(11)x-75=23(12)x-65=17(13)x-18=63(14)x-17=53(15)x-5=43(16)x-36=34(17)x-18=13(18)x-68=12(19)x+9.3=11(20)x+9.4=16.1(21)x+7=7.8(22)x+4.8=11.6(23)x+0.4=9.3(24)x+8.4=15.3(25)x+6.7=16.3(26)x+2.7=3.1(27)x+4.4=13.2(28)x-6.5=3.4(29)x-3.5=5.5(30)x-1.6=6.7(31)x-4.7=3.6(32)x-3=2.3(33)x-2.7=1.2(34)x-1.5=1.8(35)x-1.9=6.7(36)x-0.3=8.5(37)61+x=116(38)72+x=169(39)78+x=129(40)97+x=183(41)60+x=80(42)69+x=141(43)29+x=41(44)18+x=31(45)38+x=41(46)92-x=61(47)69-x=54(48)60-x=31(49)86-x=69(50)88-x=76(51)54-x=52(52)98-x=44(53)65-x=11(54)77-x=49(55)3.5+x=13.1(56)8.4+x=9.9(57)5.4+x=8.1(58)0.5+x=8.8(59)8+x=16.9(60)9.4+x=18.5(61)5.3+x=7.8(62)1.8+x=2.2(63)8.3+x=13(64)6.6-x=1.2(65)8.3-x=6.3(66)7.9-x=2.6(67)6.6-x=1.1(68)2.7-x=2.2(69)6.9-x=2(70)6.6-x=5.3(71)5.4-x=1.4(72)8.4-x=4.8(73)5x=170(74)15x=135(75)56x=112(76)9x=81(77)10x=180(78)52x=156(79)2x=92(80)2x=184(81)3x=105(82)8x=16(83)1.9x=19(84)1x=10(85)6.5x=13(86)4.8x=19.2(87)0.7x=18.2(88)3.8x=11.4(89)0.2x=3.2(90)1x=20(91)3x=9.6(92)6x=10.2(93)10x=7(94)10x=12(95)40x=8(96)52x=10.4(97)2x=11.8(98)3x=2.1(99)3x=1.8(100)176÷x=16(101)24÷x=4(102)65÷x=13(103)184÷x=23(104)87÷x=3(105)27÷x=9(106)72÷x=2(107)135÷x=9(108)141÷x=3(109)8÷x=2(110)9÷x=0.2(111)10.8÷x=1.8(112)16.2÷x=0.2(113)13.6÷x=1.7(114)6.5÷x=0.5(115)7.8÷x=2.6(116)9.2÷x=4.6(117)17.8÷x=0.2(118)x÷12=14(119)x÷7=19(120)x÷4=45(121)x÷9=20(122)x÷29=2(123)x÷62=3(124)x÷17=9(125)x÷76=2(126)x÷5=17(127)x÷12=0.2(128)x÷50=0.2(129)x÷73=0.2(130)x÷4=1.6(131)x÷35=0.5(132)x÷5=3.1(133)x÷5=2.9(134)x÷11=1.3(135)x÷15=1.3(136)11x+40=194(137)3x+45=138(138)11x+31=86(139)16x+12=76(140)98x+59=255(141)50x+55=255(142)4x+12=148(143)37x+22=96(144)5x+47=182(145)4x-35=121(146)5x-55=100(147)2x-24=106(148)9x-25=56(149)2x-35=39(150)8x-55=97(151)3x-51=120(152)3x-54=93(153)6x-16=140(154)6x+4.3=20.5(155)7x+1=5.2(156)3x+1.2=9.6(157)3x+4.9=16.6(158)6x+2.3=4.1(159)43x+5=22.2(160)5x+4.7=22.2(161)20x+1.2=7.2(162)19x+2.7=10.3(163)2.7x+5.4=18.9(164)0.3x+4.1=11.9(165)0.8x+3=22.2(166)4.7x+5.9=15.3(167)0.5x+5.7=22.7(168)2.7x+4.5=18(169)0.2x+5.3=6.3(170)1.9x+1.2=12.6(171)4.1x+3.2=15.5(172)8x-5.7=11.1(173)7x-4.7=11.4(174)2x-2.2=12.6(175)3x-5=13.9(176)7x-2.3=10.3(177)10x-5.1=12.9(178)61x-4=14.3(179)4x-1.4=15(180)5x-5.3=10.7(181)1.2x-4.9=8.3(182)4.1x-2.2=14.2(183)2.7x-4.9=11.3(184)5.9x-4=13.7(185)3.1x-1=5.2(186)4.6x-4.7=13.7(187)1.2x-3.5=2.5(188)2.8x-1.5=12.5(189)0.7x-2.6=17(190)88+63x=214(191)182+3x=344(192)67+10x=97(193)53+11x=141(194)189+84x=357(195)147+60x=267(196)54+2x=190(197)174+45x=264(198)148+16x=212(199)177-3x=120(200)113-7x=78(201)176-11x=11(202)44-8x=12(203)182-3x=35(204)171-2x=139(205)54-2x=30(206)73-24x=25(207)196-8x=60(208)8+0.2x=10.2(209)16+1.7x=33(210)18.1+0.6x=35.5(211)10.9+1.3x=18.7(212)11.2+2.8x=22.4(213)9.1+0.4x=13.1(214)7.1+1x=26.1(215)1.3+2.4x=13.3(216)3.7+2.1x=14.2(217)18.5+21x=24.8(218)12.5+6x=26.9(219)3.8+29x=9.6(220)19.7+4x=36.9(221)13.4+4x=17(222)9.9+33x=26.4(223)11.6+7x=29.1(224)17.6+22x=26.4(225)6.5+5x=25(226)16.6-0.4x=7(227)6.3-0.3x=4.8(228)7.8-0.2x=1(229)16.1-1.6x=4.9(230)19-0.4x=17.4(231)18.9-8.3x=2.3(232)19-5.6x=2.2(233)19.9-1.7x=2.9(234)15.4-0.3x=13.3(235)13.7-17x=10.3(236)11.5-3x=1(237)19.8-2x=15.6(238)17.4-74x=2.6(239)13.6-2x=5.4(240)18.5-22x=3.1(241)19.8-5x=16.8(242)16.9-2x=7.7(243)4.7-6x=1.7(244)43x÷86=2(245)42x÷28=3(246)6x÷8=9(247)30x÷25=6(248)2x÷48=3(249)2x÷13=6(250)72x÷9=16(251)23x÷46=4(252)12x÷5=36(253)0.9x÷3=3(254)4.5x÷30=0.3(255)0.9x÷45=0.2(256)2x÷10=1.2(257)0.3x÷14=1.2(258)2.4x÷21=0.8(259)5.1x÷9=1.7(260)2.8x÷20=0.7(261)2.8x÷6=1.4(262)4x÷8=0.3(263)28x÷20=0.7(264)2x÷14=0.8(265)2x÷5=3.6(266)5x÷25=0.2(267)7x÷4=2.8(268)20x÷10=1(269)42x÷28=0.6(270)3x÷27=0.4(271)6x+10x=80(272)4x+12x=48(273)8x+11x=304(274)13x+15x=196(275)6x+10x=112(276)2x+13x=60(277)5x+13x=162(278)5x+12x=170(279)3x+4x=329(280)9x-3x=78(281)18x-12x=24(282)11x-2x=153(283)13x-9x=24(284)17x-8x=99(285)9x-4x=50(286)7x-4x=81(287)14x-12x=10(288)7x-2x=125(289)3.4x+1.6x=125(290)3.3x+2x=159(291)9.8x+4.9x=88.2(292)1.5x+0.4x=17.1(293)1.1x+0.6x=115.6(294)0.6x+1.8x=26.4(295)0.4x+2.7x=111.6(296)7.2x+8.6x=63.2(297)5.8x+1.6x=29.6(298)2.6x-1.9x=15.4(299)8.9x-4.9x=12(300)5.3x-1.3x=44(301)9.2x-1.6x=22.8(302)6.9x-6.1x=8(303)2x-1.4x=9(304)9.9x-0.3x=48(305)1.2x-0.7x=16.5(306)9.3x-8.8x=3.5(307)19x+9x+42=154(308)14x+8x+44=242(309)7x+12x+39=191(310)7x+11x+43=331(311)2x+3x+11=81(312)9x+4x+17=251(313)18x+11x+38=241(314)6x+11x+16=67(315)15x+18x+46=310(316)3x+2x-32=48(317)7x+4x-17=181(318)11x+4x-6=264(319)2x+3x-44=241(320)8x+12x-9=31(321)2x+3x-4=56(322)18x+19x-6=216(323)6x+14x-16=84(324)2x+15x-49=19(325)18x-11x+26=54(326)6x-4x+26=78(327)17x-5x+12=132(328)6x-3x+11=65(329)17x-2x+30=195(330)12x-3x+3=120(331)11x-4x+2=93(332)14x-11x+39=57(333)18x-11x+20=55(334)5x-2x-37=23(335)8x-2x-45=21(336)13x-8x-2=73(337)18x-16x-11=11(338)10x-6x-24=48(339)11x-4x-33=37(340)7x-3x-20=56(341)7x-2x-34=11(342)16x-12x-2=22(343)5.2x+8.9x+3.7=74.2(344)6.2x+9x+0.9=107.3(345)1.2x+3.8x+0.2=30.2(346)5.8x+3.5x+1.8=85.5(347)1.6x+2.4x+2.7=82.7(348)1.1x+1.8x+3.1=14.7(349)5.9x+1.1x+4.1=60.1(350)7x+2x+3.4=102.4(351)1.1x+1.3x+1.4=147.8(352)15x+14x+3.1=119.1(353)21x+49x+1.3=15.3(354)36x+85x+0.7=133.8(355)84x+63x+2.5=134.8(356)47x+53x+3.3=163.3(357)62x+19x+2.9=83.9(358)32x+50x+0.2=147.8(359)58x+62x+4.1=52.1(360)7x+3x+2.3=13.3(361)5.3x+3.6x-0.9=79.2(362)8.1x+3x-1.4=43(363)9.3x+3.8x-2.9=75.7(364)4.7x+4.3x-1.1=106.9(365)1.4x+5.9x-0.7=13.9(366)2.8x+5.6x-4.1=46.3(367)1.7x+1.3x-0.4=107.6(368)0.6x+1.6x-0.2=120.8(369)0.5x+1.5x-3.2=32.8(370)19x+34x-4.4=122.8(371)6x+16x-1.6=40.2(372)14x+54x-3.2=30.8(373)5x+59x-3.7=34.7(374)99x+17x-0.7=57.3(375)28x+30x-0.9=39.7(376)73x+64x-2=162.4(377)40x+8x-0.5=85.9(378)42x+87x-1.4=63.1(379)9x-3.4x+0.6=34.2(380)6.2x-3.7x+3.5=8.5(381)9.3x-3.8x+0.2=44.2(382)9.2x-6x+2.1=30.9(383)1.2x-0.9x+1.3=12.7(384)4.2x-2.5x+1.5=40.6(385)9.9x-5.5x+0.6=13.8(386)3.6x-3x+4.1=15.5(387)5.5x-4.3x+4.7=25.1(388)74x-66x+1.7=8.9(389)70x-12x+2.4=66.2(390)67x-42x+4=19(391)50x-25x+0.8=40.8(392)84x-19x+1.8=21.3(393)67x-28x+2=25.4(394)40x-14x+4.7=20.3(395)79x-59x+0.7=20.7(396)66x-23x+0.9=61.1(397)5.6x-3.9x-3=19.1(398)3.2x-2.7x-3.7=10.3(399)7.2x-3.8x-1.4=29.2(400)1.4x-1.2x-3.3=5.3(401)4x-2.5x-4.5=7.5(402)3.8x-1.3x-2.6=17.4(403)3.5x-0.6x-1.2=74.2(404)6.1x-4.3x-4.1=1.3(405)3.8x-1.3x-0.4=4.6(406)52x-24x-0.4=33.2(407)18x-16x-2.2=5.8(408)47x-37x-2.4=14.6(409)30x-12x-2.6=47.8(410)24x-20x-1.5=6.1(411)76x-6x-1.1=75.9(412)71x-40x-0.8=5.4(413)92x-71x-2.2=8.3(414)91x-18x-3.7=25.5(415)3x+4×7=88(416)2x+17×9=265(417)26x+20×2=144(418)8x+14×13=262(419)8x+15×11=189(420)16x+25×4=244(421)11x+16×11=231(422)9x+3×62=204(423)11x+7×3=219(424)5x-21×5=15(425)19x-3×15=12(426)26x-2×42=72(427)7x-5×11=22(428)2x-12×3=86(429)6x-5×3=57(430)3x-21×4=69(431)14x-2×15=12(432)2x-3×47=53(433)0.5x+0.3×47=27.6(434)1.9x+2.5×4=21.4(435)2.9x+3.9×3=20.4(436)1.6x+1.2×9=14(437)1.3x+2.4×5=22.4(438)0.2x+1.5×11=21.1(439)0.9x+1.3×6=9.6(440)0.4x+1.7×2=13(441)0.5x+2.3×6=14.8(442)37x+2×3=24.5(443)27x+4×4.5=23.4(444)11x+46×0.2=26.8(445)27x+19×1=37.9(446)3x+4×2.3=13.4(447)15x+3×2.1=15.3(448)5x+6×0.9=18.9(449)3x+2×0.8=14.2(450)11x+14×1.2=26.7(451)0.7x-3.7×4=4.8(452)0.9x-3.7×3=2.4(453)2.9x-0.2×22=10.1(454)1.7x-0.3×13=6.3(455)0.3x-0.4×13=7.1(456)1.1x-0.2×20=1.5(457)2.2x-0.3×32=10.2(458)3.8x-3.2×2=12.6(459)0.5x-2×2=15(460)10x-3×4.3=1.1(461)7x-3×2=5.2(462)6x-24×0.6=4.8(463)40x-5×1=3(464)27x-10×1.2=1.5(465)45x-8×1.2=8.4(466)45x-10×0.8=1(467)3x-3×1.3=2.1(468)30x-2×1.8=5.4(469)4(4x+25)=196(470)2(x+22)=106(471)16(x+6)=176(472)25(x+3)=150(473)3(2x+22)=102(474)2(4x+29)=130(475)2(x+5)=16(476)3(x+2)=42(477)2(4x+2)=116(478)5(19x-34)=115(479)4(2x-13)=132(480)4(28x-40)=64(481)2(5x-49)=162(482)6(3x-4)=192(483)2(2x-25)=146(484)3(28x-26)=174(485)2(4x-25)=118(486)4(9x-8)=148(487)2(0.3x+7.4)=29.2(488)2(8.3x+0.9)=35(489)2(0.4x+9.3)=33(490)2(0.6x+5.1)=42.6(491)3(1.7x+0.6)=22.2(492)2(3.1x+5.7)=23.8(493)4(2.2x+4.5)=35.6(494)8(1.1x+1.2)=36(495)3(1.9x+3.7)=45.3(496)21(0.5x-6.4)=23.1(497)2(6.8x-3.6)=33.6(498)5(0.2x-6.2)=17(499)7(1.6x-6.7)=31.5(500)6(0.9x-3.5)=49.2(501)5(1.8x-6.9)=28.5(502)15(0.6x-2.1)=31.5(503)4(1.5x-9.8)=14.8(504)2(x-4.8)=12.4(505)(11x+17)÷6=45(506)(18x+21)÷33=5(507)(14x+42)÷14=7(508)(10x+5)÷5=23(509)(9x+3)÷19=12(510)(x+46)÷3=18(511)(10x+20)÷2=140(512)(3x+33)÷16=6(513)(7x+8)÷3=61(514)(14x-26)÷8=30(515)(17x-4)÷2=117(516)(18x-19)÷5=25(517)(13x-47)÷37=4(518)(14x-32)÷2=19(519)(9x-15)÷10=12(520)(14x-13)÷33=3(521)(14x-40)÷5=6(522)(14x-22)÷2=101(523)(3.4x+8.1)÷11=2.9(524)(5.9x+7.6)÷8=9.8(525)(4.9x+6)÷3=6.9(526)(0.7x+8.9)÷31=0.4(527)(x+1.4)÷2=9.2(528)(1.7x+8.5)÷9=3.4(529)(6.9x+1.4)÷22=3.2(530)(7.6x+2.8)÷2=39.4(531)(7x+7.6)÷4=19.4(532)(4.2x-3.8)÷34=1(533)(4x-5.6)÷19=1.6(534)(5.8x-9.6)÷34=0.4(535)(2.5x-8.5)÷7=4.5(536)(1.4x-8.3)÷17=0.5(537)(8.5x-2.8)÷6=5.2(538)(4.9x-3.1)÷4=17.6(539)(1.4x-3.9)÷9=0.5(540)(4.6x-7.8)÷2=35.2参考答案(1)x=48(2)x=75(3)x=27(4)x=12(5)x=12(6)x=35(7)x=15(8)x=53(9)x=37(10)x=96(11)x=98(12)x=82(13)x=81(14)x=70(15)x=48(16)x=70(17)x=31(18)x=80(19)x=1.7(20)x=6.7(21)x=0.8(22)x=6.8(23)x=8.9(24)x=6.9(25)x=9.6(26)x=0.4(27)x=8.8(28)x=9.9(29)x=9(30)x=8.3(31)x=8.3(32)x=5.3(33)x=3.9(34)x=3.3(35)x=8.6(36)x=8.8(37)x=55(38)x=97(39)x=51(40)x=86(41)x=20(42)x=72(43)x=12(44)x=13(45)x=3(46)x=31(47)x=15(48)x=29(49)x=17(50)x=12(51)x=2(52)x=54(53)x=54(54)x=28(55)x=9.6(56)x=1.5(57)x=2.7(58)x=8.3(59)x=8.9(60)x=9.1(61)x=2.5(62)x=0.4(63)x=4.7(64)x=5.4(65)x=2(66)x=5.3(67)x=5.5(68)x=0.5(69)x=4.9(70)x=1.3(71)x=4(72)x=3.6(73)x=34(74)x=9(75)x=2(76)x=9(77)x=18(78)x=3(79)x=46(80)x=92(81)x=35(82)x=2(83)x=10(84)x=10(85)x=2(86)x=4(87)x=26(88)x=3(89)x=16(90)x=20(91)x=3.2(92)x=1.7(93)x=0.7(94)x=1.2(95)x=0.2(96)x=0.2(97)x=5.9(98)x=0.7(99)x=0.6(100)x=11(101)x=6(102)x=5(103)x=8(104)x=29(105)x=3(106)x=36(107)x=15(108)x=47(109)x=4(110)x=45(111)x=6(112)x=81(113)x=8(114)x=13(115)x=3(116)x=2(117)x=89(118)x=168(119)x=133(120)x=180(121)x=180(122)x=58(123)x=186(124)x=153(125)x=152(126)x=85(127)x=2.4(128)x=10(129)x=14.6(130)x=6.4(131)x=17.5(132)x=15.5(133)x=14.5(134)x=14.3(135)x=19.5(136)x=14(137)x=31(138)x=5(139)x=4(140)x=2(141)x=4(142)x=34(143)x=2(144)x=27(145)x=39(146)x=31(147)x=65(148)x=9(149)x=37(150)x=19(151)x=57(152)x=49(153)x=26(154)x=2.7(155)x=0.6(156)x=2.8(157)x=3.9(158)x=0.3(159)x=0.4(160)x=3.5(161)x=0.3(162)x=0.4(163)x=5(164)x=26(165)x=24(166)x=2(167)x=34(168)x=5(169)x=5(170)x=6(171)x=3(172)x=2.1(173)x=2.3(174)x=7.4(175)x=6.3(176)x=1.8(177)x=1.8(178)x=0.3(179)x=4.1(180)x=3.2(181)x=11(182)x=4(183)x=6(184)x=3(185)x=2(186)x=4(187)x=5(188)x=5(189)x=28(190)x=2(191)x=54(192)x=3(193)x=8(194)x=2(195)x=2(196)x=68(197)x=2(198)x=4(199)x=19(200)x=5(201)x=15(202)x=4(203)x=49(204)x=16(205)x=12(206)x=2(207)x=17(208)x=11(209)x=10(210)x=29(211)x=6(212)x=4(213)x=10(214)x=19(215)x=5(216)x=5(217)x=0.3(218)x=2.4(219)x=0.2(220)x=4.3(221)x=0.9(222)x=0.5(223)x=2.5(224)x=0.4(225)x=3.7(226)x=24(227)x=5(228)x=34(229)x=7(230)x=4(231)x=2(232)x=3(233)x=10(234)x=7(235)x=0.2(236)x=3.5(237)x=2.1(238)x=0.2(239)x=4.1(240)x=0.7(241)x=0.6(242)x=4.6(243)x=0.5(244)x=4(245)x=2(246)x=12(247)x=5(248)x=72(249)x=39(250)x=2(251)x=8(252)x=15(253)x=10(254)x=2(255)x=10(256)x=6(257)x=56(258)x=7(259)x=3(260)x=5(261)x=3(262)x=0.6(263)x=0.5(264)x=5.6(265)x=9(266)x=1(267)x=1.6(268)x=0.5(269)x=0.4(270)x=3.6(271)x=5(272)x=3(273)x=16(274)x=7(275)x=7(276)x=4(277)x=9(278)x=10(279)x=47(280)x=13(281)x=4(282)x=17(283)x=6(284)x=11(285)x=10(286)x=27(287)x=5(288)x=25(289)x=25(290)x=30(291)x=6(292)x=9(293)x=68(294)x=11(295)x=36(296)x=4(297)x=4(298)x=22(299)x=3(300)x=11(301)x=3(302)x=10(303)x=15(304)x=5(305)x=33(306)x=7(307)x=4(308)x=9(309)x=8(310)x=16(311)x=14(312)x=18(313)x=7(314)x=3(315)x=8(316)x=16(317)x=18(318)x=18(319)x=57(320)x=2(321)x=12(322)x=6(323)x=5(324)x=4(325)x=4(326)x=26(327)x=10(328)x=18(329)x=11(330)x=13(331)x=13(332)x=6(333)x=5(334)x=20(335)x=11(336)x=15(337)x=11(338)x=18(339)x=10(340)x=19(341)x=9(342)x=6(343)x=5(344)x=7(345)x=6(346)x=9(347)x=20(348)x=4(349)x=8(350)x=11(351)x=61(352)x=4(353)x=0.2(354)x=1.1(355)x=0.9(356)x=1.6(357)x=1(358)x=1.8(359)x=0.4(360)x=1.1(361)x=9(362)x=4(363)x=6(364)x=12(365)x=2(366)x=6(367)x=36(368)x=55(369)x=18(370)x=2.4(371)x=1.9(372)x=0.5(373)x=0.6(374)x=0.5(375)x=0.7(376)x=1.2(377)x=1.8(378)x=0.5(379)x=6(380)x=2(381)x=8(382)x=9(383)x=38(384)x=23(385)x=3(386)x=19(387)x=17(388)x=0.9(389)x=1.1(390)x=0.6(391)x=1.6