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+54=56(2)x+18=51(3)x+83=160(4)x+32=121(5)x+26=89(6)x+22=89(7)x+14=57(8)x+37=67(9)x+35=93(10)x-63=19(11)x-16=42(12)x-77=18(13)x-8=84(14)x-42=23(15)x-7=83(16)x-9=53(17)x-6=16(18)x-23=49(19)x+2.5=12.1(20)x+7.2=10.6(21)x+3.2=10.3(22)x+5.6=15.4(23)x+2.6=8.6(24)x+1.9=5(25)x+0.9=3.7(26)x+3.7=4(27)x+9.4=15.3(28)x-6.3=3.3(29)x-7.8=1(30)x-5.6=1.1(31)x-3.4=4.9(32)x-0.9=8.5(33)x-0.9=5.7(34)x-2.1=7.2(35)x-6.9=1.7(36)x-0.7=6(37)29+x=75(38)58+x=122(39)32+x=116(40)37+x=115(41)75+x=153(42)54+x=122(43)79+x=120(44)41+x=138(45)69+x=131(46)80-x=19(47)74-x=63(48)75-x=71(49)40-x=15(50)72-x=24(51)31-x=21(52)99-x=11(53)61-x=54(54)61-x=55(55)4.1+x=8.8(56)5.2+x=6.4(57)0.2+x=2.8(58)3.7+x=12.7(59)0.2+x=9.2(60)7.8+x=11.7(61)3+x=6.1(62)9.2+x=9.7(63)7.7+x=14.9(64)8.4-x=2.3(65)7.1-x=6.4(66)6.8-x=4(67)8.8-x=2.4(68)9.6-x=6.1(69)8.9-x=5.1(70)9.7-x=3.8(71)5.7-x=2.9(72)8-x=1.7(73)2x=116(74)2x=170(75)12x=72(76)15x=165(77)45x=90(78)8x=184(79)45x=180(80)41x=123(81)6x=186(82)0.4x=4.8(83)4.6x=13.8(84)1.3x=2.6(85)2.5x=15(86)1.3x=14.3(87)1.4x=4.2(88)0.9x=7.2(89)0.3x=8.7(90)1x=17(91)3x=11.1(92)33x=9.9(93)22x=17.6(94)16x=14.4(95)49x=14.7(96)3x=3.9(97)15x=13.5(98)47x=9.4(99)12x=13.2(100)10÷x=5(101)150÷x=2(102)75÷x=3(103)108÷x=2(104)182÷x=7(105)156÷x=6(106)42÷x=21(107)144÷x=3(108)46÷x=23(109)14.1÷x=4.7(110)15.6÷x=3.9(111)16.8÷x=2.4(112)5.6÷x=0.7(113)16.8÷x=4.2(114)14÷x=0.7(115)3.6÷x=0.6(116)10.8÷x=0.4(117)13.5÷x=2.7(118)x÷9=14(119)x÷3=13(120)x÷38=2(121)x÷2=15(122)x÷57=3(123)x÷31=6(124)x÷20=9(125)x÷9=3(126)x÷5=8(127)x÷36=0.4(128)x÷9=0.9(129)x÷14=0.8(130)x÷10=1.5(131)x÷38=0.3(132)x÷4=3.1(133)x÷59=0.2(134)x÷13=1.1(135)x÷38=0.4(136)5x+16=151(137)2x+46=130(138)11x+41=206(139)2x+36=118(140)2x+23=191(141)5x+18=28(142)4x+33=113(143)9x+23=194(144)24x+45=141(145)55x-52=58(146)71x-13=129(147)3x-52=116(148)51x-35=118(149)21x-44=145(150)38x-24=128(151)2x-48=64(152)12x-50=82(153)9x-57=123(154)6x+4.4=23(155)7x+4.4=7.2(156)2x+3.3=21.5(157)19x+1.4=12.8(158)38x+1.3=16.5(159)34x+5.9=19.5(160)13x+4.7=21.6(161)50x+2.2=22.2(162)8x+4.2=18.6(163)0.9x+3.6=20.7(164)2.7x+2=10.1(165)0.4x+5.4=23.4(166)1.4x+5.4=23.6(167)0.5x+4.2=23.2(168)3.3x+4.2=17.4(169)4.1x+1.2=9.4(170)0.2x+1=5(171)5.3x+2.8=18.7(172)11x-2.2=8.8(173)19x-1.3=6.3(174)10x-3.1=15.9(175)57x-3.8=7.6(176)47x-2.7=16.1(177)49x-3.9=10.8(178)79x-1=14.8(179)28x-1.2=7.2(180)38x-3.6=15.4(181)0.3x-4.2=2.1(182)1x-4.1=14.9(183)0.2x-2.2=7.2(184)6.2x-5.5=6.9(185)10x-5.1=14.9(186)1.4x-3.9=10.1(187)0.7x-5.2=2.5(188)0.4x-4.4=13.6(189)0.3x-2.6=16.9(190)107+80x=267(191)183+9x=291(192)101+5x=156(193)107+45x=242(194)166+26x=270(195)158+2x=178(196)104+76x=256(197)193+8x=217(198)106+3x=130(199)76-4x=28(200)178-13x=100(201)157-30x=67(202)174-13x=83(203)159-19x=64(204)181-16x=21(205)174-81x=12(206)86-3x=50(207)135-6x=117(208)10.1+1x=15.1(209)14.5+0.9x=27.1(210)14+7.4x=28.8(211)15.6+1x=29.6(212)9.9+3.2x=25.9(213)10.8+0.2x=29.2(214)16.5+3.4x=26.7(215)14.3+0.2x=14.9(216)5+1.4x=10.6(217)19.2+16x=36.8(218)19.1+4x=26.3(219)4.3+13x=23.8(220)15.5+5x=30(221)19.5+4x=32.3(222)5+10x=8(223)11.7+22x=29.3(224)13.8+29x=28.3(225)2.6+3x=13.1(226)17.8-1.6x=5(227)17.4-0.8x=11(228)12.5-1.7x=4(229)17.3-2.1x=8.9(230)13.4-0.2x=13(231)8.5-1x=1.5(232)15.7-0.3x=10.3(233)10.2-4.2x=1.8(234)15.7-6.2x=3.3(235)9.9-6x=8.1(236)14.4-27x=6.3(237)13.9-62x=1.5(238)19.9-65x=6.9(239)10.5-16x=7.3(240)10.3-28x=1.9(241)17.3-8x=6.9(242)11.2-3x=5.2(243)6-3x=4.5(244)18x÷27=6(245)4x÷7=20(246)8x÷4=44(247)24x÷8=9(248)12x÷20=9(249)14x÷84=2(250)32x÷24=8(251)10x÷6=30(252)78x÷13=12(253)9.8x÷49=0.4(254)1.3x÷39=0.2(255)6.6x÷44=0.3(256)0.9x÷8=1.8(257)1.2x÷4=2.1(258)1x÷35=0.2(259)3.3x÷22=0.9(260)0.3x÷4=3.9(261)1x÷30=0.2(262)4x÷3=4.8(263)80x÷4=4(264)63x÷42=0.3(265)13x÷65=0.3(266)2x÷15=0.6(267)63x÷21=0.6(268)15x÷30=0.4(269)7x÷14=0.5(270)2x÷34=0.3(271)9x+11x=240(272)5x+17x=242(273)4x+10x=252(274)7x+18x=275(275)8x+12x=120(276)16x+9x=50(277)5x+3x=200(278)19x+11x=210(279)4x+6x=190(280)15x-12x=33(281)11x-4x=126(282)8x-6x=34(283)8x-2x=72(284)12x-6x=24(285)11x-5x=84(286)9x-6x=21(287)15x-6x=117(288)18x-14x=32(289)6x+2.2x=32.8(290)2.7x+1.1x=60.8(291)0.8x+0.5x=27.3(292)5.2x+2x=21.6(293)2.5x+6.3x=35.2(294)1.2x+2.6x=79.8(295)0.5x+0.8x=93.6(296)3.7x+5.7x=94(297)5.4x+2.6x=104(298)5.3x-1.3x=36(299)2.1x-1.6x=15.5(300)7.3x-5.3x=14(301)4.2x-3.4x=8(302)7x-2.7x=25.8(303)0.7x-0.4x=3.3(304)3.7x-2.4x=11.7(305)3x-0.4x=18.2(306)5.7x-3.5x=35.2(307)13x+4x+24=194(308)18x+14x+41=233(309)9x+10x+13=393(310)5x+2x+21=49(311)8x+6x+38=346(312)13x+7x+31=231(313)5x+4x+31=130(314)4x+10x+39=193(315)6x+17x+13=197(316)3x+9x-15=177(317)3x+14x-24=163(318)17x+10x-15=120(319)16x+11x-21=168(320)3x+8x-15=139(321)9x+7x-28=52(322)13x+5x-46=98(323)17x+15x-11=309(324)4x+7x-44=121(325)14x-10x+40=76(326)11x-8x+20=38(327)16x-11x+48=83(328)14x-9x+21=41(329)16x-7x+19=46(330)13x-4x+33=132(331)15x-6x+18=36(332)8x-5x+40=88(333)9x-3x+30=66(334)7x-3x-24=76(335)13x-2x-36=118(336)19x-14x-6=44(337)17x-5x-16=56(338)15x-4x-21=78(339)17x-7x-33=17(340)9x-5x-20=20(341)8x-6x-5=21(342)11x-4x-24=102(343)2.6x+0.7x+1.2=11.1(344)4.5x+4.6x+2.3=193.4(345)2.4x+5.4x+4.2=97.8(346)4.5x+3.9x+1=43(347)8.1x+6.3x+4=47.2(348)2.3x+0.2x+2.2=54.7(349)0.6x+0.8x+0.9=17.7(350)3.8x+1.8x+0.5=67.7(351)2x+1.4x+4.4=35(352)98x+56x+2.7=125.9(353)53x+4x+2.3=76.4(354)33x+11x+4.4=35.2(355)82x+97x+0.9=54.6(356)3x+22x+3.3=105.8(357)30x+77x+1.5=119.2(358)33x+30x+1.5=184.2(359)15x+44x+3.2=26.8(360)19x+21x+2=170(361)5.7x+2.1x-4.6=89(362)0.7x+8.8x-4.3=24.2(363)4.2x+3.7x-4.3=98.4(364)4.2x+6.5x-2.4=104.6(365)8.7x+2.9x-3.6=124(366)0.8x+9.7x-2.3=102.7(367)2x+2.5x-3.7=50.3(368)2.2x+4.3x-2.3=10.7(369)7.2x+7.8x-1=44(370)23x+29x-1.1=76.9(371)81x+83x-0.9=146.7(372)25x+70x-3.4=101.1(373)4x+23x-4.4=92.8(374)57x+43x-2.1=87.9(375)47x+63x-0.5=109.5(376)56x+36x-2.4=43.6(377)65x+99x-3.1=144.5(378)34x+5x-3.5=47.2(379)3.7x-0.2x+2.8=83.3(380)3.2x-2.4x+1.9=15.5(381)0.8x-0.5x+3.7=33.1(382)4.5x-1.9x+3.9=61.1(383)6.7x-2.6x+0.9=29.6(384)8.7x-6.1x+2.3=30.9(385)1.7x-0.8x+2=5.6(386)7.6x-3.6x+2.9=38.9(387)4.9x-0.4x+4.2=49.2(388)62x-23x+4.6=67(389)38x-32x+0.9=15.9(390)60x-6x+2.1=45.3(391)49x-16x+1.4=67.4(392)42x-18x+3.4=8.2(393)67x-29x+1.1=27.7(394)66x-61x+3.3=7.3(395)12x-3x+4.3=29.5(396)93x-72x+0.7=13.3(397)9.9x-5.5x-0.6=21.4(398)6.7x-1x-2.3=66.1(399)5.2x-1.3x-0.6=22.8(400)0.9x-0.4x-1.7=17.3(401)7x-0.9x-4=26.5(402)5.9x-4.6x-3.8=2.7(403)6x-4.1x-1.4=13.8(404)7.9x-6.8x-3.5=2(405)2.9x-0.9x-2.1=31.9(406)43x-3x-1.5=18.5(407)55x-38x-3.1=27.5(408)35x-28x-3.6=6.9(409)42x-4x-1.6=28.8(410)81x-57x-0.8=18.4(411)29x-10x-2.5=43.1(412)54x-22x-2.2=55.4(413)81x-66x-0.7=12.8(414)12x-8x-2.7=4.9(415)3x+3×34=144(416)20x+5×28=260(417)17x+4×34=238(418)8x+4×30=208(419)3x+2×36=96(420)2x+19×8=270(421)2x+22×3=210(422)3x+84×2=192(423)29x+11×4=102(424)28x-3×7=63(425)9x-3×27=54(426)10x-11×10=10(427)18x-11×5=89(428)4x-20×3=120(429)26x-10×4=38(430)21x-13×6=27(431)4x-12×4=16(432)17x-5×10=137(433)0.6x+0.6×10=11.4(434)0.5x+4.6×4=35.4(435)2.2x+1×9=28.8(436)1.6x+0.2×36=23.2(437)4.4x+1.3×12=28.8(438)0.2x+1.7×3=10.9(439)0.2x+0.7×25=23.1(440)0.2x+0.3×19=9.7(441)0.7x+0.6×19=20.5(442)10x+8×0.4=9.2(443)16x+19×0.2=23(444)31x+26×0.6=34.2(445)25x+4×3.8=32.7(446)4x+39×0.3=19.3(447)34x+26×0.4=17.2(448)30x+7×0.9=18.3(449)6x+15×1.1=32.7(450)16x+14×1.3=27.8(451)2.1x-0.2×25=13.9(452)3.9x-1.6×4=13.1(453)4.5x-0.3×28=9.6(454)0.4x-1.5×3=5.5(455)3x-0.6×12=10.8(456)0.7x-0.9×11=4.1(457)1.8x-0.2×18=5.4(458)0.9x-0.4×29=4.6(459)0.9x-1×3=14.1(460)14x-11×1.2=3.6(461)15x-5×1.4=3.5(462)46x-20×0.6=6.4(463)22x-38×0.3=4(464)8x-3×4.5=1.7(465)44x-29×0.4=6(466)49x-28×0.4=8.4(467)30x-2×3.7=10.6(468)34x-6×1.5=1.2(469)3(3x+34)=174(470)2(7x+26)=178(471)6(3x+15)=180(472)3(6x+3)=135(473)2(16x+22)=140(474)2(2x+34)=128(475)2(7x+26)=136(476)2(13x+21)=146(477)2(2x+48)=148(478)6(x-14)=162(479)4(4x-36)=48(480)2(25x-26)=198(481)4(25x-8)=168(482)7(2x-44)=182(483)2(10x-15)=170(484)2(x-32)=22(485)12(2x-34)=168(486)7(12x-24)=168(487)2(x+0.2)=38.4(488)2(0.6x+0.4)=32(489)3(6.6x+2.2)=46.2(490)3(1.2x+3.4)=49.8(491)3(0.2x+3.9)=26.7(492)2(0.4x+6)=48.8(493)2(1.1x+4.3)=26.2(494)2(0.4x+0.8)=3.2(495)3(0.4x+5.7)=37.5(496)10(0.4x-7.9)=25(497)2(2.4x-2.9)=8.6(498)15(0.6x-9.3)=22.5(499)12(1.6x-1.7)=37.2(500)14(0.7x-8.6)=46.2(501)3(7.3x-5.5)=27.3(502)8(2.9x-2.6)=48.8(503)8(0.5x-6.4)=28.8(504)9(x-0.7)=20.7(505)(14x+35)÷5=49(506)(15x+21)÷3=62(507)(5x+47)÷39=3(508)(5x+2)÷34=3(509)(8x+39)÷17=15(510)(8x+10)÷7=30(511)(2x+18)÷3=18(512)(3x+4)÷16=4(513)(6x+10)÷32=2(514)(6x-49)÷7=17(515)(10x-45)÷39=5(516)(13x-47)÷2=74(517)(14x-4)÷2=124(518)(4x-12)÷4=6(519)(5x-5)÷10=14(520)(3x-24)÷3=11(521)(9x-33)÷4=12(522)(9x-25)÷4=23(523)(9.5x+9)÷2=33(524)(1.5x+4)÷5=2(525)(3.1x+7.2)÷2=16(526)(3.1x+2.7)÷20=0.6(527)(4.7x+7.3)÷7=4.4(528)(3.3x+5.1)÷13=0.9(529)(8.4x+1.2)÷19=3.6(530)(0.5x+5.5)÷35=0.4(531)(3.4x+0.4)÷35=0.4(532)(2.5x-1.9)÷3=12.7(533)(5.8x-3.6)÷5=19(534)(0.3x-0.5)÷7=0.7(535)(5.3x-1.9)÷11=3.2(536)(1.5x-3.2)÷26=0.8(537)(9.3x-6)÷3=4.2(538)(6.2x-7.6)÷15=2.8(539)(2.2x-1)÷16=2(540)(2.3x-0.5)÷9=4.8参考答案(1)x=2(2)x=33(3)x=77(4)x=89(5)x=63(6)x=67(7)x=43(8)x=30(9)x=58(10)x=82(11)x=58(12)x=95(13)x=92(14)x=65(15)x=90(16)x=62(17)x=22(18)x=72(19)x=9.6(20)x=3.4(21)x=7.1(22)x=9.8(23)x=6(24)x=3.1(25)x=2.8(26)x=0.3(27)x=5.9(28)x=9.6(29)x=8.8(30)x=6.7(31)x=8.3(32)x=9.4(33)x=6.6(34)x=9.3(35)x=8.6(36)x=6.7(37)x=46(38)x=64(39)x=84(40)x=78(41)x=78(42)x=68(43)x=41(44)x=97(45)x=62(46)x=61(47)x=11(48)x=4(49)x=25(50)x=48(51)x=10(52)x=88(53)x=7(54)x=6(55)x=4.7(56)x=1.2(57)x=2.6(58)x=9(59)x=9(60)x=3.9(61)x=3.1(62)x=0.5(63)x=7.2(64)x=6.1(65)x=0.7(66)x=2.8(67)x=6.4(68)x=3.5(69)x=3.8(70)x=5.9(71)x=2.8(72)x=6.3(73)x=58(74)x=85(75)x=6(76)x=11(77)x=2(78)x=23(79)x=4(80)x=3(81)x=31(82)x=12(83)x=3(84)x=2(85)x=6(86)x=11(87)x=3(88)x=8(89)x=29(90)x=17(91)x=3.7(92)x=0.3(93)x=0.8(94)x=0.9(95)x=0.3(96)x=1.3(97)x=0.9(98)x=0.2(99)x=1.1(100)x=2(101)x=75(102)x=25(103)x=54(104)x=26(105)x=26(106)x=2(107)x=48(108)x=2(109)x=3(110)x=4(111)x=7(112)x=8(113)x=4(114)x=20(115)x=6(116)x=27(117)x=5(118)x=126(119)x=39(120)x=76(121)x=30(122)x=171(123)x=186(124)x=180(125)x=27(126)x=40(127)x=14.4(128)x=8.1(129)x=11.2(130)x=15(131)x=11.4(132)x=12.4(133)x=11.8(134)x=14.3(135)x=15.2(136)x=27(137)x=42(138)x=15(139)x=41(140)x=84(141)x=2(142)x=20(143)x=19(144)x=4(145)x=2(146)x=2(147)x=56(148)x=3(149)x=9(150)x=4(151)x=56(152)x=11(153)x=20(154)x=3.1(155)x=0.4(156)x=9.1(157)x=0.6(158)x=0.4(159)x=0.4(160)x=1.3(161)x=0.4(162)x=1.8(163)x=19(164)x=3(165)x=45(166)x=13(167)x=38(168)x=4(169)x=2(170)x=20(171)x=3(172)x=1(173)x=0.4(174)x=1.9(175)x=0.2(176)x=0.4(177)x=0.3(178)x=0.2(179)x=0.3(180)x=0.5(181)x=21(182)x=19(183)x=47(184)x=2(185)x=2(186)x=10(187)x=11(188)x=45(189)x=65(190)x=2(191)x=12(192)x=11(193)x=3(194)x=4(195)x=10(196)x=2(197)x=3(198)x=8(199)x=12(200)x=6(201)x=3(202)x=7(203)x=5(204)x=10(205)x=2(206)x=12(207)x=3(208)x=5(209)x=14(210)x=2(211)x=14(212)x=5(213)x=92(214)x=3(215)x=3(216)x=4(217)x=1.1(218)x=1.8(219)x=1.5(220)x=2.9(221)x=3.2(222)x=0.3(223)x=0.8(224)x=0.5(225)x=3.5(226)x=8(227)x=8(228)x=5(229)x=4(230)x=2(231)x=7(232)x=18(233)x=2(234)x=2(235)x=0.3(236)x=0.3(237)x=0.2(238)x=0.2(239)x=0.2(240)x=0.3(241)x=1.3(242)x=2(243)x=0.5(244)x=9(245)x=35(246)x=22(247)x=3(248)x=15(249)x=12(250)x=6(251)x=18(252)x=2(253)x=2(254)x=6(255)x=2(256)x=16(257)x=7(258)x=7(259)x=6(260)x=52(261)x=6(262)x=3.6(263)x=0.2(264)x=0.2(265)x=1.5(266)x=4.5(267)x=0.2(268)x=0.8(269)x=1(270)x=5.1(271)x=12(272)x=11(273)x=18(274)x=11(275)x=6(276)x=2(277)x=25(278)x=7(279)x=19(280)x=11(281)x=18(282)x=17(283)x=12(284)x=4(285)x=14(286)x=7(287)x=13(288)x=8(289)x=4(290)x=16(291)x=21(292)x=3(293)x=4(294)x=21(295)x=72(296)x=10(297)x=13(298)x=9(299)x=31(300)x=7(301)x=10(302)x=6(303)x=11(304)x=9(305)x=7(306)x=16(307)x=10(308)x=6(309)x=20(310)x=4(311)x=22(312)x=10(313)x=11(314)x=11(315)x=8(316)x=16(317)x=11(318)x=5(319)x=7(320)x=14(321)x=5(322)x=8(323)x=10(324)x=15(325)x=9(326)x=6(327)x=7(328)x=4(329)x=3(330)x=11(331)x=2(332)x=16(333)x=6(334)x=25(335)x=14(336)x=10(337)x=6(338)x=9(339)x=5(340)x=10(341)x=13(342)x=18(343)x=3(344)x=21(345)x=12(346)x=5(347)x=3(348)x=21(349)x=12(350)x=12(351)x=9(352)x=0.8(353)x=1.3(354)x=0.7(355)x=0.3(356)x=4.1(357)x=1.1(358)x=2.9(359)x=0.4(360)x=4.2(361)x=12(362)x=3(363)x=13(364)x=10(365)x=11(366)x=10(367)x=12(368)x=2(369)x=3(370)x=1.5(371)x=0.9(372)x=1.1(373)x=3.6(374)x=0.9(375)x=1(376)x=0.5(377)x=0.9(378)x=1.3(379)x=23(380)x=17(381)x=98(382)x=22(383)x=7(384)x=11(385)x=4(386)x=9(387)x=10(388)x=1.6(389)x=2.5(390)x=0.8(391)x=2(39