五年级数学(方程)习题及答案

五年级数学(方程)习题及答案(1)x+96=110(2)x+4=46(3)x+84=118(4)x+69=91(5)x+8=76(6)x+71=139(7)x+41=139(8)x+34=86(9)x+68=128(10)x-6=34(11)x-24=45(12)x-32=46(13)x-11=19(14)x-48=33(15)x-5=58(16)x-73=10(17)x-53=43(18)x-65=16(19)x+0.3=9.7(20)x+3.9=7.4(21)x+5.4=13.8(22)x+5.5=7.2(23)x+6.7=9.3(24)x+7.4=17.3(25)x+4.3=12.8(26)x+7.7=15.6(27)x+2.4=5.4(28)x-4=3.9(29)x-5.2=1.2(30)x-1.2=3.8(31)x-5=2(32)x-0.9=9(33)x-0.9=7.8(34)x-4=2.8(35)x-2=3.7(36)x-0.2=7.4(37)26+x=62(38)52+x=117(39)64+x=112(40)6+x=95(41)23+x=110(42)12+x=92(43)52+x=59(44)30+x=100(45)17+x=25(46)96-x=14(47)64-x=27(48)42-x=23(49)61-x=16(50)80-x=61(51)95-x=16(52)49-x=19(53)91-x=24(54)75-x=14(55)9.8+x=19.7(56)3.1+x=6.6(57)1.2+x=6.9(58)8.6+x=9.5(59)6.2+x=12.5(60)8.3+x=18.2(61)9.6+x=11.2(62)8.9+x=12.7(63)3.4+x=7.4(64)3.9-x=2.1(65)9.5-x=7.7(66)7.9-x=5.6(67)6.6-x=5.2(68)1.4-x=1(69)7.2-x=6.2(70)3.4-x=2.3(71)4.9-x=1(72)8.5-x=7.8(73)21x=168(74)16x=128(75)4x=128(76)4x=152(77)21x=189(78)10x=120(79)25x=50(80)2x=114(81)57x=171(82)2.5x=12.5(83)1.2x=9.6(84)1.2x=16.8(85)0.2x=16.4(86)6.2x=12.4(87)0.3x=11.7(88)0.5x=4.5(89)0.9x=10.8(90)1.6x=14.4(91)23x=18.4(92)2x=1.8(93)13x=10.4(94)2x=4(95)32x=6.4(96)46x=9.2(97)13x=18.2(98)84x=16.8(99)3x=9.6(100)60÷x=10(101)36÷x=12(102)108÷x=12(103)84÷x=21(104)152÷x=8(105)56÷x=2(106)117÷x=13(107)150÷x=6(108)145÷x=29(109)18.6÷x=0.3(110)3÷x=1.5(111)3.5÷x=0.5(112)16.2÷x=1.8(113)16÷x=1.6(114)13.6÷x=0.2(115)1.2÷x=0.3(116)7.5÷x=0.5(117)2÷x=0.2(118)x÷23=3(119)x÷10=7(120)x÷30=2(121)x÷14=3(122)x÷3=16(123)x÷2=32(124)x÷7=22(125)x÷27=2(126)x÷15=3(127)x÷46=0.3(128)x÷22=0.2(129)x÷2=2.3(130)x÷3=3.4(131)x÷6=1.6(132)x÷9=2.2(133)x÷10=1.3(134)x÷5=3(135)x÷30=0.2(136)24x+22=166(137)3x+50=92(138)6x+17=149(139)3x+51=162(140)5x+29=229(141)28x+20=216(142)2x+34=142(143)29x+27=114(144)94x+54=242(145)3x-43=29(146)11x-12=142(147)22x-55=99(148)29x-20=96(149)27x-12=150(150)10x-30=10(151)25x-26=49(152)3x-28=53(153)6x-13=155(154)8x+1.8=9.8(155)70x+3.1=17.1(156)4x+3.3=10.5(157)56x+2.9=14.1(158)15x+5.3=20.3(159)8x+3.3=12.1(160)22x+1.4=16.8(161)6x+5.4=24(162)2x+5.7=19.1(163)0.4x+5.5=13.9(164)0.6x+2.2=9.4(165)0.6x+1.1=4.1(166)3.8x+4.8=23.8(167)0.6x+1.7=11.9(168)0.4x+3.7=16.5(169)0.4x+2.8=8(170)4.9x+3.5=18.2(171)1.4x+4.8=18.8(172)6x-1.8=11.4(173)61x-1.4=10.8(174)32x-3.6=6(175)50x-2.2=17.8(176)69x-1.4=12.4(177)5x-1.2=10.3(178)66x-4.1=9.1(179)19x-5.1=4.4(180)37x-3=11.8(181)2.5x-2.3=12.7(182)9.3x-1.6=17(183)8.3x-3=13.6(184)1.7x-4.4=12.6(185)0.9x-3.5=16.3(186)1.8x-4=3.2(187)1.4x-2.6=8.6(188)3.2x-4.4=2(189)0.6x-2.6=17.2(190)167+10x=257(191)146+2x=258(192)78+5x=258(193)164+15x=239(194)184+12x=208(195)19+15x=139(196)111+4x=203(197)36+84x=204(198)16+5x=196(199)197-57x=83(200)190-7x=29(201)160-3x=121(202)169-9x=106(203)140-3x=53(204)52-5x=17(205)132-9x=24(206)169-4x=157(207)149-2x=107(208)7.3+3.2x=16.9(209)14.9+0.2x=27.3(210)10.7+4x=30.7(211)12.2+9.5x=31.2(212)1.4+0.2x=6.6(213)8+0.7x=16.4(214)10.3+0.6x=11.5(215)14+0.4x=32.8(216)19.8+0.2x=39.6(217)6.8+2x=7.8(218)8.8+5x=24.8(219)17.1+45x=26.1(220)9.8+4x=15.8(221)2.9+17x=14.8(222)18.7+3x=25.3(223)8+14x=22(224)8.5+3x=24.7(225)6.1+2x=16.5(226)18.5-6.2x=6.1(227)11.1-0.3x=3.6(228)9.3-2.7x=3.9(229)7-0.7x=3.5(230)10.4-0.4x=6.8(231)17.6-1.6x=6.4(232)8.3-0.4x=5.5(233)19.4-3.3x=2.9(234)11.9-1.2x=3.5(235)11.9-2x=3.9(236)17.8-75x=2.8(237)8.9-2x=2.7(238)17.2-26x=1.6(239)4.2-2x=2.6(240)15.9-7x=12.4(241)11.1-20x=3.1(242)8.6-5x=6.6(243)17.1-24x=12.3(244)21x÷15=7(245)36x÷8=18(246)80x÷32=5(247)18x÷12=6(248)4x÷52=2(249)8x÷3=16(250)3x÷2=9(251)10x÷28=5(252)64x÷24=8(253)2.2x÷11=0.6(254)0.4x÷16=1.2(255)1.4x÷7=2(256)5.1x÷6=1.7(257)0.6x÷54=0.2(258)2.8x÷84=0.2(259)0.6x÷4=2.1(260)0.3x÷5=1.5(261)0.2x÷6=0.8(262)10x÷9=2(263)14x÷91=0.2(264)11x÷33=0.4(265)6x÷9=1.4(266)14x÷4=3.5(267)4x÷12=0.8(268)92x÷46=0.4(269)26x÷13=0.4(270)18x÷3=3(271)14x+11x=125(272)4x+7x=143(273)9x+11x=40(274)4x+8x=156(275)5x+12x=136(276)11x+3x=28(277)10x+3x=260(278)12x+2x=84(279)5x+13x=162(280)7x-4x=36(281)10x-7x=51(282)10x-5x=10(283)12x-3x=99(284)6x-2x=52(285)19x-15x=24(286)17x-3x=154(287)14x-4x=60(288)18x-4x=98(289)0.7x+0.2x=66.6(290)9.6x+6.3x=95.4(291)0.7x+3.2x=117(292)7.9x+2.3x=30.6(293)3.8x+6.7x=63(294)2.3x+0.9x=89.6(295)0.6x+7.7x=33.2(296)3.8x+3x=129.2(297)8.1x+9x=68.4(298)2.7x-0.7x=26(299)5.5x-2.5x=51(300)4.6x-2.9x=11.9(301)4.3x-0.6x=40.7(302)5.1x-4.1x=13(303)7x-6.2x=11.2(304)4.8x-2.1x=10.8(305)8.1x-1.2x=62.1(306)3x-0.2x=50.4(307)4x+2x+45=219(308)3x+5x+29=205(309)14x+7x+7=196(310)3x+9x+24=264(311)4x+9x+45=84(312)2x+13x+40=160(313)13x+2x+47=137(314)6x+2x+4=204(315)16x+17x+10=208(316)14x+18x-44=212(317)5x+11x-32=192(318)12x+10x-43=23(319)15x+19x-8=128(320)10x+12x-14=162(321)2x+16x-47=61(322)9x+4x-2=219(323)16x+17x-39=291(324)3x+10x-49=55(325)19x-8x+2=101(326)7x-3x+34=66(327)11x-8x+28=46(328)11x-7x+33=49(329)18x-15x+18=30(330)8x-2x+12=120(331)19x-15x+15=27(332)16x-10x+18=42(333)11x-8x+31=73(334)15x-12x-4=14(335)7x-3x-12=40(336)10x-2x-30=66(337)5x-2x-15=105(338)7x-2x-31=84(339)9x-4x-26=29(340)9x-6x-9=42(341)17x-12x-8=17(342)9x-3x-9=33(343)1.7x+7.2x+3.4=65.7(344)2.4x+3.9x+3.8=110.9(345)1x+1.1x+3.8=176(346)4.5x+1.5x+4.3=22.3(347)0.5x+2.5x+1.5=100.5(348)3.1x+0.3x+1.6=96.8(349)7.9x+7.6x+0.9=47.4(350)7x+4.2x+3.8=26.2(351)3.4x+2.6x+2.2=146.2(352)25x+4x+2.4=34.3(353)81x+83x+2.3=100.7(354)18x+43x+2=81.3(355)6x+33x+0.7=28(356)13x+18x+2.9=157.9(357)10x+55x+4.3=62.8(358)80x+44x+3=40.2(359)3x+14x+4.9=50.8(360)33x+81x+3.7=94.9(361)8x+8.8x-1.4=116.2(362)9x+7.5x-1.6=47.9(363)9.5x+7x-0.7=147.8(364)1.5x+4x-1=87(365)3x+3.2x-3.2=15.4(366)4.3x+9.3x-0.3=81.3(367)6.6x+5x-3=20.2(368)6.1x+8x-3.8=123.1(369)1.9x+0.6x-4.9=52.6(370)29x+51x-1.3=118.7(371)46x+19x-1.1=50.9(372)93x+78x-3.3=116.4(373)65x+14x-4.3=11.5(374)42x+94x-3.7=132.3(375)32x+39x-4.7=101.8(376)58x+20x-3.4=105.8(377)22x+26x-2.7=160.5(378)90x+85x-1.5=68.5(379)3.5x-2.8x+2.4=9.4(380)3.9x-2.6x+2.5=11.6(381)7.2x-0.7x+1.3=40.3(382)4.3x-3.2x+2.4=27.7(383)5.8x-5.3x+1.9=6.4(384)6.7x-3.8x+4.3=24.6(385)3.2x-2.5x+1.7=18.5(386)3.6x-1.8x+2.5=45.7(387)7.5x-3x+2.2=24.7(388)74x-18x+3.8=76.6(389)83x-36x+0.2=23.7(390)36x-23x+4.2=18.5(391)31x-17x+1.7=22.7(392)76x-52x+2.7=17.1(393)57x-36x+4.8=36.3(394)45x-17x+3.4=42.6(395)20x-3x+0.9=68.9(396)35x-31x+4.8=6.4(397)2.4x-1.9x-2.7=2.3(398)4x-2.1x-0.9=27.6(399)9.3x-1.3x-2.2=61.8(400)7.5x-4.8x-1.2=17.7(401)4.2x-2.1x-4.5=14.4(402)5.6x-0.3x-0.8=73.4(403)3.5x-2.4x-4.5=3.2(404)8.7x-8.2x-0.8=4.7(405)4.4x-3.5x-2.3=5.8(406)43x-40x-0.2=4.9(407)46x-5x-1.7=80.3(408)87x-46x-4.5=28.3(409)63x-31x-0.9=24.7(410)10x-5x-3.9=1.6(411)38x-11x-2.6=67.6(412)22x-5x-0.9=12.7(413)50x-37x-2.9=21.8(414)32x-14x-3.1=7.7(415)6x+4×20=278(416)6x+23×8=352(417)22x+9×12=196(418)2x+32×3=264(419)10x+51×3=173(420)3x+95×2=322(421)15x+81×2=192(422)19x+91×2=277(423)12x+2×74=256(424)2x-8×16=50(425)24x-10×2=28(426)18x-3×20=102(427)23x-38×4=32(428)5x-4×6=111(429)10x-3×19=73(430)6x-8×2=26(431)4x-80×2=36(432)25x-4×32=72(433)0.6x+1×11=18.8(434)0.5x+0.5×31=31.5(435)0.4x+0.2×27=22.6(436)3.2x+0.5×20=19.6(437)0.8x+1.2×5=25.2(438)0.2x+1.2×2=11.8(439)0.4x+0.7×8=17.6(440)0.6x+0.4×21=16.8(441)0.2x+3×6=24(442)27x+5×3=31.2(443)5x+11×1.3=16.3(444)16x+4×1.7=18(445)10x+35×0.2=15(446)8x+4×3.9=26(447)41x+10×0.4=20.4(448)8x+26×0.6=20.4(449)2x+45×0.2=9.8(450)22x+22×0.3=26.4(451)1.8x-1.5×2=6(452)3.4x-0.4×35=3(453)0.6x-1.7×3=11.1(454)0.4x-1.5×2=3(455)0.8x-0.2×8=15.2(456)1.5x-0.7×5=11.5(457)1.5x-2.4×3=12.3(458)0.4x-1×4=12(459)2.8x-0.4×11=9.6(460)9x-3×2.6=3.9(461)41x-4×3=4.4(462)5x-5×2.8=2(463)33x-5×2.2=8.8(464)24x-4×0.7=9.2(465)6x-2×3.4=12.4(466)20x-3×1.6=5.2(467)4x-2×2.2=7.2(468)3x-4×1.5=6(469)2(2x+23)=186(470)2(11x+18)=146(471)2(7x+29)=156(472)14(x+4)=126(473)5(2x+17)=125(474)4(x+35)=148(475)2(3x+12)=54(476)5(x+8)=80(477)5(x+4)=135(478)2(9x-4)=154(479)5(2x-31)=75(480)9(3x-46)=180(481)5(2x-49)=55(482)4(13x-27)=48(483)3(x-25)=51(484)2(3x-34)=46(485)3(2x-17)=195(486)9(x-15)=153(487)2(2.2x+1)=19.6(488)2(4x+1.4)=34.8(489)4(0.2x+2.6)=46.4(490)2(0.7x+3.6)=49.2(491)2(7.1x+2.3)=33(492)3(1.2x+1.2)=32.4(493)8(1.5x+2.6)=44.8(494)2(1.2x+1.5)=19.8(495)4(0.4x+4.6)=32.8(496)5(1.8x-3.5)=9.5(497)7(1.7x-5.7)=31.5(498)2(0.7x-4.2)=2.8(499)2(0.3x-8.3)=11(500)2(0.9x-5.2)=11.2(501)13(5.5x-8.9)=27.3(502)21(0.7x-2.4)=23.1(503)6(0.2x-6)=20.4(504)11(0.3x-7.9)=22(505)(7x+46)÷13=10(506)(18x+48)÷24=8(507)(5x+2)÷3=24(508)(10x+43)÷7=9(509)(8x+12)÷2=70(510)(15x+8)÷29=7(511)(3x+40)÷13=7(512)(18x+18)÷9=24(513)(16x+32)÷40=4(514)(11x-13)÷3=36(515)(6x-6)÷21=4(516)(5x-31)÷29=1(517)(3x-24)÷42=1(518)(15x-4)÷11=16(519)(9x-12)÷10=6(520)(12x-36)÷8=18(521)(9x-42)÷30=1(522)(17x-27)÷14=9(523)(1.7x+6.8)÷2=18.7(524)(9.3x+8.1)÷17=5.4(525)(9.4x+3.2)÷17=2.4(526)(6.5x+3.4)÷7=10.7(527)(2.9x+2)÷33=0.5(528)(7.8x+3.8)÷2=48.7(529)(1.1x+3.6)÷8=2.1(530)(7.7x+1.6)÷2=23.9(531)(4.9x+2.9)÷17=1.9(532)(5.8x-5.2)÷5=15.2(533)(8.7x-1.5)÷21=2(534)(5.1x-5.7)÷12=7.6(535)(6.8x-7)÷9=3(536)(0.8x-1.6)÷8=0.7(537)(5.2x-6)÷32=1.6(538)(8.7x-1.1)÷13=4.6(539)(3x-3.3)÷3=14.9(540)(4x-2)÷10=6.2参考答案(1)x=14(2)x=42(3)x=34(4)x=22(5)x=68(6)x=68(7)x=98(8)x=52(9)x=60(10)x=40(11)x=69(12)x=78(13)x=30(14)x=81(15)x=63(16)x=83(17)x=96(18)x=81(19)x=9.4(20)x=3.5(21)x=8.4(22)x=1.7(23)x=2.6(24)x=9.9(25)x=8.5(26)x=7.9(27)x=3(28)x=7.9(29)x=6.4(30)x=5(31)x=7(32)x=9.9(33)x=8.7(34)x=6.8(35)x=5.7(36)x=7.6(37)x=36(38)x=65(39)x=48(40)x=89(41)x=87(42)x=80(43)x=7(44)x=70(45)x=8(46)x=82(47)x=37(48)x=19(49)x=45(50)x=19(51)x=79(52)x=30(53)x=67(54)x=61(55)x=9.9(56)x=3.5(57)x=5.7(58)x=0.9(59)x=6.3(60)x=9.9(61)x=1.6(62)x=3.8(63)x=4(64)x=1.8(65)x=1.8(66)x=2.3(67)x=1.4(68)x=0.4(69)x=1(70)x=1.1(71)x=3.9(72)x=0.7(73)x=8(74)x=8(75)x=32(76)x=38(77)x=9(78)x=12(79)x=2(80)x=57(81)x=3(82)x=5(83)x=8(84)x=14(85)x=82(86)x=2(87)x=39(88)x=9(89)x=12(90)x=9(91)x=0.8(92)x=0.9(93)x=0.8(94)x=2(95)x=0.2(96)x=0.2(97)x=1.4(98)x=0.2(99)x=3.2(100)x=6(101)x=3(102)x=9(103)x=4(104)x=19(105)x=28(106)x=9(107)x=25(108)x=5(109)x=62(110)x=2(111)x=7(112)x=9(113)x=10(114)x=68(115)x=4(116)x=15(117)x=10(118)x=69(119)x=70(120)x=60(121)x=42(122)x=48(123)x=64(124)x=154(125)x=54(126)x=45(127)x=13.8(128)x=4.4(129)x=4.6(130)x=10.2(131)x=9.6(132)x=19.8(133)x=13(134)x=15(135)x=6(136)x=6(137)x=14(138)x=22(139)x=37(140)x=40(141)x=7(142)x=54(143)x=3(144)x=2(145)x=24(146)x=14(147)x=7(148)x=4(149)x=6(150)x=4(151)x=3(152)x=27(153)x=28(154)x=1(155)x=0.2(156)x=1.8(157)x=0.2(158)x=1(159)x=1.1(160)x=0.7(161)x=3.1(162)x=6.7(163)x=21(164)x=12(165)x=5(166)x=5(167)x=17(168)x=32(169)x=13(170)x=3(171)x=10(172)x=2.2(173)x=0.2(174)x=0.3(175)x=0.4(176)x=0.2(177)x=2.3(178)x=0.2(179)x=0.5(180)x=0.4(181)x=6(182)x=2(183)x=2(184)x=10(185)x=22(186)x=4(187)x=8(188)x=2(189)x=33(190)x=9(191)x=56(192)x=36(193)x=5(194)x=2(195)x=8(196)x=23(197)x=2(198)x=36(199)x=2(200)x=23(201)x=13(202)x=7(203)x=29(204)x=7(205)x=12(206)x=3(207)x=21(208)x=3(209)x=62(210)x=5(211)x=2(212)x=26(213)x=12(214)x=2(215)x=47(216)x=99(217)x=0.5(218)x=3.2(219)x=0.2(220)x=1.5(221)x=0.7(222)x=2.2(223)x=1(224)x=5.4(225)x=5.2(226)x=2(227)x=25(228)x=2(229)x=5(230)x=9(231)x=7(232)x=7(233)x=5(234)x=7(235)x=4(236)x=0.2(237)x=3.1(238)x=0.6(239)x=0.8(240)x=0.5(241)x=0.4(242)x=0.4(243)x=0.2(244)x=5(245)x=4(246)x=2(247)x=4(248)x=26(249)x=6(250)x=6(251)x=14(252)x=3(253)x=3(254)x=48(255)x=10(256)x=2(257)x=18(258)x=6(259)x=14(260)x=25(261)x=24(262)x=1.8(263)x=1.3(264)x=1.2(265)x=2.1(266)x=1(267)x=2.4(268)x=0.2(269)x=0.2(270)x=0.5(271)x=5(272)x=13(273)x=2(274)x=13(275)x=8(276)x=2(277)x=20(278)x=6(279)x=9(280)x=12(281)x=17(282)x=2(283)x=11(284)x=13(285)x=6(286)x=11(287)x=6(288)x=7(289)x=74(290)x=6(291)x=30(292)x=3(293)x=6(294)x=28(295)x=4(296)x=19(297)x=4(298)x=13(299)x=17(300)x=7(301)x=11(302)x=13(303)x=14(304)x=4(305)x=9(306)x=18(307)x=29(308)x=22(309)x=9(310)x=20(311)x=3(312)x=8(313)x=6(314)x=25(315)x=6(316)x=8(317)x=14(318)x=3(319)x=4(320)x=8(321)x=6(322)x=17(323)x=10(324)x=8(325)x=9(326)x=8(327)x=6(328)x=4(329)x=4(330)x=18(331)x=3(332)x=4(333)x=14(334)x=6(335)x=13(336)x=12(337)x=40(338)x=23(339)x=11(340)x=17(341)x=5(342)x=7(343)x=7(344)x=17(345)x=82(346)x=3(347)x=33(348)x=28(349)x=3(350)x=2(351)x=24(352)x=1.1(353)x=0.6(354)x=1.3(355)x=0.7(356)x=5(357)x=0.9(358)x=0.3(359)x=2.7(360)x=0.8(361)x=7(362)x=3(363)x=9(364)x=16(365)x=3(366)x=6(367)x=2(368)x=9(369)x=23(370)x=1.5(371)x=0.8(372)x=0.7(373)x=0.2(374)x=1(375)x=1.5(376)x=1.4(377)x=3.4(378)x=0.4(379)x=10(380)x=7(381)x=6(382)x=23(383)x=9(384)x=7(385)x=24(386)x=24(387)x=5(388)x=1.3(389)x=0.5(390)x=1.1(391)x=1.5(392)x