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+97=133(2)x+83=143(3)x+47=107(4)x+31=38(5)x+68=130(6)x+50=55(7)x+66=164(8)x+49=64(9)x+67=83(10)x-30=15(11)x-69=15(12)x-64=14(13)x-64=23(14)x-45=51(15)x-71=13(16)x-7=70(17)x-24=49(18)x-49=37(19)x+4.6=6.5(20)x+8.1=11.7(21)x+6.8=11.9(22)x+7.8=11.5(23)x+9.6=16.7(24)x+6.4=14.1(25)x+0.2=2(26)x+3.9=12(27)x+6.4=8.9(28)x-1.8=7.7(29)x-0.4=5.6(30)x-4.9=2.9(31)x-1.6=5.9(32)x-4.2=5.1(33)x-1.8=3.5(34)x-2.5=5.9(35)x-4.4=4.4(36)x-2.3=4.9(37)12+x=59(38)77+x=120(39)38+x=60(40)26+x=83(41)61+x=71(42)29+x=108(43)87+x=133(44)56+x=103(45)45+x=62(46)23-x=15(47)60-x=30(48)86-x=36(49)33-x=27(50)99-x=12(51)46-x=17(52)32-x=20(53)86-x=34(54)72-x=22(55)4.7+x=14.5(56)2.6+x=3.1(57)4.8+x=11.7(58)7.3+x=10.5(59)2.6+x=5.5(60)7+x=14.8(61)4.9+x=7.6(62)4.4+x=10.6(63)9.6+x=13.4(64)9.4-x=7(65)5.9-x=2.3(66)5-x=2.4(67)5.6-x=1(68)5.3-x=2.5(69)9.1-x=1.1(70)9.9-x=7.9(71)9.1-x=3.6(72)7.2-x=4.6(73)2x=112(74)9x=27(75)30x=60(76)5x=140(77)50x=200(78)60x=180(79)8x=104(80)3x=198(81)15x=90(82)7.3x=14.6(83)1.2x=4.8(84)0.4x=2.4(85)0.3x=5.1(86)0.3x=8.1(87)1.1x=14.3(88)0.4x=1.6(89)2.1x=10.5(90)0.3x=7.8(91)20x=18(92)33x=9.9(93)32x=9.6(94)7x=11.9(95)3x=6.6(96)5x=5.5(97)75x=15(98)6x=13.2(99)4x=13.2(100)105÷x=15(101)90÷x=45(102)27÷x=3(103)140÷x=10(104)140÷x=4(105)106÷x=2(106)70÷x=14(107)168÷x=7(108)96÷x=3(109)7.2÷x=3.6(110)8.5÷x=0.5(111)3.2÷x=0.2(112)19.2÷x=0.6(113)2.1÷x=0.7(114)3.8÷x=1.9(115)16.8÷x=0.8(116)5.6÷x=0.2(117)5.5÷x=1.1(118)x÷16=3(119)x÷41=4(120)x÷5=4(121)x÷20=6(122)x÷40=4(123)x÷13=5(124)x÷6=6(125)x÷8=11(126)x÷32=6(127)x÷5=1.7(128)x÷5=3.3(129)x÷30=0.4(130)x÷76=0.2(131)x÷3=2.5(132)x÷17=0.2(133)x÷4=0.5(134)x÷2=2(135)x÷3=1.6(136)18x+26=188(137)55x+45=155(138)40x+58=218(139)22x+38=214(140)70x+25=165(141)4x+33=141(142)20x+13=213(143)46x+17=155(144)64x+45=237(145)6x-19=95(146)23x-14=147(147)8x-38=130(148)40x-36=44(149)6x-31=113(150)18x-36=54(151)13x-57=99(152)16x-25=23(153)50x-33=117(154)2x+4.5=9.1(155)33x+3.9=13.8(156)57x+4.6=16(157)5x+5.4=14.4(158)12x+2.7=8.7(159)4x+2.2=11(160)25x+1.3=11.3(161)18x+5.5=18.1(162)4x+3=14.2(163)0.6x+2.6=14.6(164)0.3x+3.5=7.4(165)3.4x+3.8=20.8(166)0.8x+5=10.6(167)1.1x+4=20.5(168)1.6x+1=18.6(169)0.2x+1.5=18.3(170)1.7x+5.7=21(171)0.2x+2.9=20.1(172)4x-3=15.8(173)2x-5.6=6.6(174)9x-4.7=9.7(175)61x-5.4=12.9(176)9x-2.3=12.1(177)23x-3.2=1.4(178)2x-4.1=12.7(179)49x-1.2=13.5(180)10x-1.4=15.6(181)2.1x-1.5=13.2(182)5.9x-2.2=15.5(183)0.5x-3.6=2.4(184)0.3x-2.2=11.3(185)3.5x-3=11(186)0.3x-4.2=1.5(187)0.3x-4.4=15.1(188)4.8x-2.5=11.9(189)4.3x-5.1=7.8(190)19+8x=187(191)98+9x=206(192)61+23x=130(193)169+11x=290(194)99+6x=177(195)143+2x=219(196)19+2x=39(197)129+18x=165(198)136+12x=196(199)137-2x=107(200)199-41x=117(201)114-33x=15(202)195-64x=67(203)136-8x=104(204)58-9x=22(205)177-2x=91(206)151-2x=59(207)157-2x=11(208)9.4+0.2x=20.6(209)14.5+0.4x=30.1(210)12+0.5x=21(211)3.7+1.7x=22.4(212)14.7+0.4x=24.3(213)18.8+0.5x=34.3(214)2.4+0.7x=16.4(215)8+3.6x=18.8(216)18.6+2.1x=35.4(217)1.4+4x=3.8(218)5.4+19x=18.7(219)4.9+2x=18.9(220)19.7+47x=38.5(221)1+2x=17.6(222)11+90x=29(223)7.2+10x=10.2(224)7+2x=13(225)4.8+7x=13.2(226)18.2-0.2x=7(227)12.3-1.4x=3.9(228)16.3-0.3x=2.8(229)8.8-0.2x=8.2(230)19.5-0.2x=18.3(231)16.1-0.7x=2.1(232)18.5-0.9x=12.2(233)9.3-0.8x=5.3(234)9-1x=7(235)16.4-13x=11.2(236)17.4-37x=6.3(237)7.5-2x=2.9(238)18.2-8x=11(239)15.4-5x=3.4(240)16.5-6x=10.5(241)19.6-2x=8.4(242)16.5-2x=9.5(243)13-51x=2.8(244)12x÷36=5(245)5x÷10=7(246)6x÷21=4(247)13x÷4=26(248)58x÷29=4(249)20x÷12=15(250)4x÷8=6(251)86x÷43=4(252)2x÷4=16(253)0.7x÷3=4.9(254)0.2x÷28=0.3(255)2.1x÷15=0.7(256)1.6x÷6=2.4(257)5.6x÷14=1.2(258)1.6x÷18=0.8(259)5.1x÷17=0.6(260)0.4x÷10=1.4(261)2x÷4=1.5(262)12x÷6=0.6(263)4x÷9=2(264)15x÷3=2(265)7x÷13=1.4(266)2x÷22=0.9(267)3x÷7=2.4(268)12x÷36=0.3(269)2x÷6=0.3(270)26x÷65=0.2(271)3x+18x=210(272)6x+15x=231(273)2x+5x=119(274)4x+8x=24(275)15x+18x=66(276)5x+16x=252(277)10x+18x=196(278)8x+9x=221(279)6x+4x=20(280)16x-4x=72(281)12x-6x=90(282)18x-13x=25(283)12x-5x=56(284)15x-11x=48(285)9x-5x=28(286)14x-9x=50(287)18x-12x=42(288)11x-2x=36(289)0.6x+2.8x=27.2(290)4x+1.4x=124.2(291)8.8x+3.7x=37.5(292)7.9x+0.2x=89.1(293)1.4x+2.6x=52(294)1.7x+1.2x=130.5(295)1.5x+6.2x=23.1(296)7.4x+8.8x=64.8(297)4.1x+1.1x=62.4(298)3.3x-2.3x=8(299)5.8x-5x=1.6(300)8.4x-2.5x=17.7(301)4.7x-1.2x=17.5(302)3.5x-0.4x=68.2(303)3.7x-1.2x=62.5(304)6.3x-2.6x=25.9(305)9.4x-0.9x=17(306)8.4x-6.2x=17.6(307)10x+8x+48=138(308)5x+8x+46=189(309)4x+9x+27=313(310)6x+7x+17=69(311)11x+5x+33=289(312)15x+3x+8=188(313)3x+2x+30=160(314)13x+10x+42=203(315)2x+11x+35=256(316)9x+8x-22=29(317)5x+6x-31=299(318)4x+12x-17=95(319)8x+6x-45=123(320)17x+9x-13=91(321)10x+14x-20=268(322)4x+12x-31=177(323)9x+12x-15=27(324)13x+18x-4=58(325)14x-7x+35=119(326)17x-10x+11=53(327)13x-5x+48=120(328)14x-4x+25=75(329)15x-9x+11=89(330)13x-5x+30=78(331)8x-6x+27=45(332)13x-2x+29=62(333)7x-5x+38=56(334)11x-3x-2=70(335)10x-5x-3=82(336)11x-2x-6=84(337)7x-5x-6=28(338)8x-2x-15=57(339)18x-10x-13=51(340)7x-2x-14=51(341)4x-2x-31=55(342)9x-2x-19=121(343)0.2x+2.3x+1.3=38.8(344)2.7x+4.6x+0.3=102.5(345)8.9x+9.5x+2.5=112.9(346)0.2x+3.3x+4.5=67.5(347)9.7x+2.5x+4.7=65.7(348)0.7x+1.3x+3.7=117.7(349)1.2x+3.5x+4.9=14.3(350)1.6x+4.5x+0.5=55.4(351)3.2x+1.5x+4.4=150.1(352)18x+7x+4.5=134.5(353)61x+7x+2=110.8(354)31x+30x+3=45.7(355)12x+26x+4.5=91.9(356)15x+8x+0.2=147.4(357)51x+81x+0.7=93.1(358)54x+41x+1.7=134.7(359)6x+10x+4.3=58.7(360)47x+22x+0.7=35.2(361)6.4x+7.9x-2.5=111.9(362)8.7x+3.9x-3.1=110.3(363)7.9x+4.6x-4.9=145.1(364)4.8x+1.3x-1.2=59.8(365)9.8x+5.7x-1.6=29.4(366)7x+3.7x-4.2=113.5(367)1.9x+9.9x-3.2=103(368)1.7x+7.3x-3.4=104.6(369)7x+8.9x-2.6=124.6(370)19x+16x-3=147.5(371)16x+15x-1.6=147.2(372)23x+13x-3.3=115.5(373)24x+3x-4.9=5.9(374)72x+76x-2.5=86.3(375)39x+56x-0.9=103.6(376)6x+78x-1.1=24.1(377)91x+5x-4=72.8(378)11x+12x-3.1=171.7(379)5.8x-2.6x+2.1=37.3(380)2.7x-1.4x+1.5=28.8(381)8.3x-4.7x+3.7=28.9(382)3.8x-1.2x+0.5=65.5(383)1x-0.2x+2.5=20.1(384)3.4x-2.9x+3.9=17.4(385)2.4x-1.4x+4.6=11.6(386)4.4x-3.1x+1=6.2(387)5.3x-1.4x+0.3=31.5(388)51x-16x+0.8=11.3(389)80x-5x+1.9=46.9(390)24x-2x+2=68(391)29x-6x+1.7=17.8(392)17x-15x+4.3=6.1(393)30x-22x+0.4=25.2(394)22x-20x+0.7=9.5(395)26x-12x+2.4=10.8(396)21x-12x+1.3=3.1(397)8.6x-3.4x-3=23(398)3.7x-2.9x-0.7=13.7(399)5x-4.1x-0.4=14.9(400)2.9x-1.2x-3.8=9.8(401)8.5x-0.7x-3.1=20.3(402)9.8x-2.1x-0.4=38.1(403)8x-3x-0.6=39.4(404)6.1x-1.1x-1.5=13.5(405)7.3x-4.2x-1.2=29.8(406)42x-10x-3.5=50.9(407)97x-92x-2=1.5(408)56x-2x-3.5=77.5(409)20x-8x-3=39(410)14x-6x-0.4=7.6(411)36x-17x-4.6=23.9(412)75x-46x-1.3=13.2(413)63x-33x-4.4=28.6(414)62x-41x-0.3=16.5(415)24x+2×23=238(416)9x+9×20=198(417)26x+12×11=262(418)7x+70×2=231(419)8x+8×4=136(420)16x+15×10=198(421)4x+2×14=132(422)28x+2×42=196(423)12x+13×14=230(424)6x-4×9=48(425)8x-4×11=60(426)7x-7×5=49(427)3x-4×38=31(428)5x-5×22=30(429)3x-22×2=25(430)10x-2×45=40(431)4x-5×16=12(432)4x-22×8=12(433)0.4x+0.7×14=27(434)1.3x+1.4×12=27.2(435)1x+1.3×15=36.5(436)4.5x+0.5×2=14.5(437)0.3x+2.3×7=21.5(438)0.3x+0.2×48=13.2(439)0.5x+0.5×6=17(440)0.5x+1.2×7=23.9(441)0.2x+2×9=19(442)8x+6×2=23.2(443)6x+2×4.8=21(444)22x+14×1.1=26.4(445)5x+12×0.7=27.4(446)11x+13×0.6=24.3(447)9x+20×0.7=25.7(448)10x+11×0.4=17.4(449)5x+36×0.4=28.4(450)6x+27×0.2=15.6(451)4.6x-0.6×28=1.6(452)0.8x-2.4×7=1.6(453)1.4x-0.3×9=4.3(454)0.2x-0.4×5=7.4(455)0.8x-0.2×42=1.2(456)1.4x-1.7×3=10.3(457)0.5x-1.2×2=7.1(458)0.7x-0.6×9=7.2(459)3.4x-1.3×12=1.4(460)8x-7×1.5=7.1(461)3x-9×0.2=3.3(462)22x-15×0.3=15.3(463)12x-5×0.6=16.2(464)2x-2×1.7=4.2(465)41x-4×0.3=7(466)21x-37×0.3=3.6(467)5x-48×0.2=10.4(468)7x-3×2.8=8.4(469)3(21x+14)=168(470)2(3x+19)=80(471)4(2x+4)=48(472)5(x+21)=190(473)6(5x+10)=150(474)2(x+5)=96(475)4(x+16)=184(476)4(4x+7)=124(477)3(8x+17)=123(478)4(6x-20)=88(479)9(11x-28)=144(480)2(17x-37)=130(481)17(14x-32)=170(482)2(6x-37)=58(483)9(2x-25)=99(484)10(15x-27)=180(485)7(2x-29)=189(486)3(18x-44)=30(487)2(0.4x+5.8)=27.6(488)9(x+0.2)=37.8(489)2(0.2x+0.2)=14.8(490)2(3.7x+2.5)=19.8(491)3(0.4x+3.8)=35.4(492)2(2.4x+8.3)=26.2(493)10(0.4x+0.5)=33(494)2(0.5x+4.6)=30.2(495)2(2.5x+1.9)=18.8(496)2(0.2x-2.5)=2.6(497)8(0.7x-6.3)=33.6(498)2(2.4x-2.7)=37.8(499)4(1.9x-8)=44(500)2(2.2x-5.9)=36.6(501)5(2.4x-4.7)=36.5(502)7(1.6x-0.9)=27.3(503)7(0.5x-2.4)=11.2(504)2(1.2x-7.2)=9.6(505)(12x+29)÷5=49(506)(12x+18)÷6=35(507)(3x+38)÷28=2(508)(2x+6)÷6=8(509)(6x+21)÷33=1(510)(7x+30)÷6=26(511)(x+46)÷5=11(512)(10x+25)÷9=15(513)(7x+8)÷16=11(514)(11x-10)÷4=36(515)(13x-18)÷6=10(516)(15x-34)÷13=17(517)(10x-46)÷18=13(518)(7x-39)÷18=6(519)(7x-28)÷42=3(520)(18x-45)÷9=9(521)(13x-26)÷39=6(522)(7x-9)÷4=3(523)(7.8x+0.3)÷5=14.1(524)(1.9x+4.9)÷24=0.6(525)(5.7x+6.6)÷30=0.6(526)(2.8x+8)÷24=2.2(527)(4.1x+7.1)÷6=4.6(528)(3.3x+0.2)÷5=10.6(529)(4.5x+6.6)÷3=18.7(530)(1.6x+4)÷8=1.3(531)(0.2x+5.6)÷22=0.4(532)(2.4x-1.4)÷2=6.5(533)(1.2x-5.6)÷7=1.6(534)(8.6x-9)÷2=38.5(535)(9.8x-6.2)÷27=3.4(536)(2.3x-3.5)÷6=6.7(537)(7.8x-5.4)÷36=0.5(538)(9x-1.2)÷12=7.4(539)(3.7x-6.7)÷2=2.2(540)(1.9x-3.4)÷20=0.4参考答案(1)x=36(2)x=60(3)x=60(4)x=7(5)x=62(6)x=5(7)x=98(8)x=15(9)x=16(10)x=45(11)x=84(12)x=78(13)x=87(14)x=96(15)x=84(16)x=77(17)x=73(18)x=86(19)x=1.9(20)x=3.6(21)x=5.1(22)x=3.7(23)x=7.1(24)x=7.7(25)x=1.8(26)x=8.1(27)x=2.5(28)x=9.5(29)x=6(30)x=7.8(31)x=7.5(32)x=9.3(33)x=5.3(34)x=8.4(35)x=8.8(36)x=7.2(37)x=47(38)x=43(39)x=22(40)x=57(41)x=10(42)x=79(43)x=46(44)x=47(45)x=17(46)x=8(47)x=30(48)x=50(49)x=6(50)x=87(51)x=29(52)x=12(53)x=52(54)x=50(55)x=9.8(56)x=0.5(57)x=6.9(58)x=3.2(59)x=2.9(60)x=7.8(61)x=2.7(62)x=6.2(63)x=3.8(64)x=2.4(65)x=3.6(66)x=2.6(67)x=4.6(68)x=2.8(69)x=8(70)x=2(71)x=5.5(72)x=2.6(73)x=56(74)x=3(75)x=2(76)x=28(77)x=4(78)x=3(79)x=13(80)x=66(81)x=6(82)x=2(83)x=4(84)x=6(85)x=17(86)x=27(87)x=13(88)x=4(89)x=5(90)x=26(91)x=0.9(92)x=0.3(93)x=0.3(94)x=1.7(95)x=2.2(96)x=1.1(97)x=0.2(98)x=2.2(99)x=3.3(100)x=7(101)x=2(102)x=9(103)x=14(104)x=35(105)x=53(106)x=5(107)x=24(108)x=32(109)x=2(110)x=17(111)x=16(112)x=32(113)x=3(114)x=2(115)x=21(116)x=28(117)x=5(118)x=48(119)x=164(120)x=20(121)x=120(122)x=160(123)x=65(124)x=36(125)x=88(126)x=192(127)x=8.5(128)x=16.5(129)x=12(130)x=15.2(131)x=7.5(132)x=3.4(133)x=2(134)x=4(135)x=4.8(136)x=9(137)x=2(138)x=4(139)x=8(140)x=2(141)x=27(142)x=10(143)x=3(144)x=3(145)x=19(146)x=7(147)x=21(148)x=2(149)x=24(150)x=5(151)x=12(152)x=3(153)x=3(154)x=2.3(155)x=0.3(156)x=0.2(157)x=1.8(158)x=0.5(159)x=2.2(160)x=0.4(161)x=0.7(162)x=2.8(163)x=20(164)x=13(165)x=5(166)x=7(167)x=15(168)x=11(169)x=84(170)x=9(171)x=86(172)x=4.7(173)x=6.1(174)x=1.6(175)x=0.3(176)x=1.6(177)x=0.2(178)x=8.4(179)x=0.3(180)x=1.7(181)x=7(182)x=3(183)x=12(184)x=45(185)x=4(186)x=19(187)x=65(188)x=3(189)x=3(190)x=21(191)x=12(192)x=3(193)x=11(194)x=13(195)x=38(196)x=10(197)x=2(198)x=5(199)x=15(200)x=2(201)x=3(202)x=2(203)x=4(204)x=4(205)x=43(206)x=46(207)x=73(208)x=56(209)x=39(210)x=18(211)x=11(212)x=24(213)x=31(214)x=20(215)x=3(216)x=8(217)x=0.6(218)x=0.7(219)x=7(220)x=0.4(221)x=8.3(222)x=0.2(223)x=0.3(224)x=3(225)x=1.2(226)x=56(227)x=6(228)x=45(229)x=3(230)x=6(231)x=20(232)x=7(233)x=5(234)x=2(235)x=0.4(236)x=0.3(237)x=2.3(238)x=0.9(239)x=2.4(240)x=1(241)x=5.6(242)x=3.5(243)x=0.2(244)x=15(245)x=14(246)x=14(247)x=8(248)x=2(249)x=9(250)x=12(251)x=2(252)x=32(253)x=21(254)x=42(255)x=5(256)x=9(257)x=3(258)x=9(259)x=2(260)x=35(261)x=3(262)x=0.3(263)x=4.5(264)x=0.4(265)x=2.6(266)x=9.9(267)x=5.6(268)x=0.9(269)x=0.9(270)x=0.5(271)x=10(272)x=11(273)x=17(274)x=2(275)x=2(276)x=12(277)x=7(278)x=13(279)x=2(280)x=6(281)x=15(282)x=5(283)x=8(284)x=12(285)x=7(286)x=10(287)x=7(288)x=4(289)x=8(290)x=23(291)x=3(292)x=11(293)x=13(294)x=45(295)x=3(296)x=4(297)x=12(298)x=8(299)x=2(300)x=3(301)x=5(302)x=22(303)x=25(304)x=7(305)x=2(306)x=8(307)x=5(308)x=11(309)x=22(310)x=4(311)x=16(312)x=10(313)x=26(314)x=7(315)x=17(316)x=3(317)x=30(318)x=7(319)x=12(320)x=4(321)x=12(322)x=13(323)x=2(324)x=2(325)x=12(326)x=6(327)x=9(328)x=5(329)x=13(330)x=6(331)x=9(332)x=3(333)x=9(334)x=9(335)x=17(336)x=10(337)x=17(338)x=12(339)x=8(340)x=13(341)x=43(342)x=20(343)x=15(344)x=14(345)x=6(346)x=18(347)x=5(348)x=57(349)x=2(350)x=9(351)x=31(352)x=5.2(353)x=1.6(354)x=0.7(355)x=2.3(356)x=6.4(357)x=0.7(358)x=1.4(359)x=3.4(360)x=0.5(361)x=8(362)x=9(363)x=12(364)x=10(365)x=2(366)x=11(367)x=9(368)x=12(369)x=8(370)x=4.3(371)x=4.8(372)x=3.3(373)x=0.4(374)x=0.6(375)x=1.1(376)x=0.3(377)x=0.8(378)x=7.6(379)x=11(380)x=21(381)x=7(382)x=25(383)x=22(384)x=27(385)x=7(386)x=4(387)x=8(388)x=0.3(389)x=0.6(390)x=3(391)x=0.7(392)x