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+89=133(2)x+29=61(3)x+37=62(4)x+42=123(5)x+40=81(6)x+99=154(7)x+28=80(8)x+67=71(9)x+13=37(10)x-18=75(11)x-21=13(12)x-30=11(13)x-15=45(14)x-28=44(15)x-62=20(16)x-8=45(17)x-73=22(18)x-12=31(19)x+8.8=16.7(20)x+1.9=5.2(21)x+5.4=6(22)x+6.2=8(23)x+1.8=8.8(24)x+0.9=1.2(25)x+9.7=17.8(26)x+6.3=7.8(27)x+3.1=5.3(28)x-0.9=6.5(29)x-3.5=1.7(30)x-3.3=3.3(31)x-2=3.9(32)x-0.2=3.2(33)x-5.8=4(34)x-4.2=4.8(35)x-1.6=3.8(36)x-4.1=1.6(37)55+x=140(38)18+x=70(39)34+x=80(40)72+x=90(41)95+x=156(42)27+x=39(43)66+x=138(44)18+x=34(45)13+x=105(46)20-x=14(47)35-x=20(48)44-x=25(49)63-x=32(50)90-x=50(51)93-x=67(52)83-x=32(53)66-x=21(54)67-x=12(55)9.9+x=10.2(56)9.3+x=11(57)5.9+x=10.2(58)3.9+x=10.7(59)2.4+x=8.4(60)2.3+x=8.4(61)8.2+x=12.9(62)2.3+x=4.2(63)3.5+x=8.2(64)7-x=4.5(65)8.7-x=5.3(66)6.9-x=3.4(67)3.2-x=2.2(68)9.9-x=4.9(69)9.8-x=5.3(70)6.7-x=2.2(71)7.1-x=6.8(72)9.6-x=8.6(73)7x=126(74)15x=150(75)19x=114(76)48x=96(77)12x=192(78)2x=104(79)7x=49(80)40x=160(81)3x=114(82)1.2x=10.8(83)0.4x=9.6(84)1.2x=12(85)0.6x=4.2(86)1.6x=11.2(87)0.6x=9.6(88)0.9x=18(89)1x=5(90)0.5x=13(91)14x=12.6(92)2x=12(93)20x=8(94)5x=1.5(95)10x=13(96)2x=13.4(97)6x=19.8(98)35x=7(99)12x=18(100)18÷x=2(101)128÷x=8(102)136÷x=34(103)86÷x=2(104)105÷x=15(105)160÷x=40(106)60÷x=30(107)188÷x=2(108)175÷x=25(109)1.5÷x=0.3(110)1÷x=0.2(111)17÷x=1(112)3.2÷x=0.4(113)13.5÷x=0.3(114)11.7÷x=0.3(115)6.3÷x=0.9(116)3÷x=0.6(117)15.4÷x=0.7(118)x÷35=5(119)x÷16=6(120)x÷15=4(121)x÷3=3(122)x÷9=9(123)x÷5=3(124)x÷73=2(125)x÷8=8(126)x÷17=8(127)x÷16=0.2(128)x÷87=0.2(129)x÷6=0.2(130)x÷4=1.9(131)x÷5=2.4(132)x÷29=0.5(133)x÷8=1.1(134)x÷22=0.7(135)x÷6=2.5(136)11x+13=178(137)10x+15=35(138)58x+35=209(139)3x+25=181(140)7x+32=109(141)2x+13=101(142)3x+28=82(143)37x+33=107(144)59x+34=211(145)3x-44=64(146)3x-26=10(147)20x-11=109(148)41x-34=130(149)14x-13=141(150)3x-10=20(151)35x-49=91(152)10x-24=86(153)11x-53=134(154)60x+4.2=16.2(155)16x+5.1=13.1(156)25x+4.3=24.3(157)15x+4.2=13.2(158)4x+3.2=18.4(159)19x+4.5=17.8(160)2x+1.3=16.5(161)21x+5=19.7(162)11x+5.7=20(163)0.8x+4.2=23.4(164)0.3x+2.4=22.2(165)0.9x+4.3=7.9(166)0.2x+2.4=14.8(167)0.2x+1.1=12.1(168)0.4x+4.5=12.9(169)0.4x+3.8=19(170)1.2x+5.5=15.1(171)0.2x+3.1=14.1(172)5x-1=17.5(173)5x-1.6=16.9(174)37x-3.1=11.7(175)66x-4.7=8.5(176)23x-1.5=14.6(177)47x-1.5=7.9(178)2x-1.6=17.4(179)3x-5=9.7(180)49x-1.9=17.7(181)3x-2.4=3.6(182)0.3x-4.3=1.4(183)0.3x-5.6=2.5(184)4.5x-3.2=14.8(185)0.5x-1.1=16.9(186)9.7x-1.2=18.2(187)8x-1.8=14.2(188)1.1x-5.7=11.9(189)9.8x-3.8=15.8(190)77+8x=141(191)153+5x=298(192)19+27x=73(193)187+4x=227(194)106+15x=271(195)40+2x=134(196)69+53x=228(197)75+19x=265(198)82+10x=102(199)185-9x=50(200)194-3x=35(201)198-2x=96(202)170-3x=41(203)197-13x=106(204)156-2x=12(205)186-38x=110(206)196-3x=103(207)191-45x=56(208)5.4+4.5x=18.9(209)6.3+0.7x=22.4(210)8.5+3.7x=15.9(211)1.6+0.2x=7.6(212)6.9+0.2x=21.9(213)5.6+2.4x=17.6(214)9.1+9.2x=27.5(215)6+1x=21(216)8.4+5.8x=25.8(217)14.9+7x=16.3(218)8.8+22x=22(219)4+50x=24(220)13.3+11x=24.3(221)14.3+4x=18.3(222)15.5+15x=20(223)8+34x=25(224)17.8+51x=33.1(225)4.2+47x=23(226)17.4-2.6x=7(227)10-1.6x=3.6(228)13.4-0.2x=10.4(229)15.8-0.2x=4(230)4.7-0.7x=2.6(231)11.2-0.8x=9.6(232)18.1-3.5x=7.6(233)14.7-0.5x=12.2(234)16.7-1.6x=3.9(235)7.2-12x=4.8(236)13.1-13x=1.4(237)17.9-6x=2.9(238)8.4-4x=5.6(239)16.1-15x=8.6(240)18-2x=2.8(241)12.9-13x=10.3(242)18.5-4x=10.5(243)16.3-4x=14.7(244)2x÷3=16(245)58x÷87=2(246)18x÷63=2(247)5x÷12=10(248)8x÷64=2(249)16x÷44=4(250)4x÷3=44(251)4x÷2=44(252)26x÷2=39(253)2x÷30=0.4(254)2x÷60=0.2(255)0.2x÷10=1.7(256)1x÷5=3.6(257)0.6x÷4=3.9(258)1.4x÷16=0.7(259)1.4x÷21=0.4(260)0.4x÷10=0.6(261)0.2x÷19=0.8(262)44x÷16=1.1(263)70x÷20=0.7(264)45x÷10=1.8(265)15x÷25=0.6(266)28x÷10=1.4(267)24x÷60=0.2(268)18x÷4=0.9(269)21x÷6=0.7(270)12x÷28=0.3(271)4x+2x=108(272)8x+2x=140(273)4x+3x=189(274)6x+3x=144(275)3x+4x=231(276)12x+17x=203(277)2x+4x=234(278)8x+18x=156(279)15x+5x=180(280)5x-3x=48(281)9x-6x=21(282)17x-14x=21(283)9x-3x=72(284)7x-4x=48(285)8x-3x=85(286)12x-10x=22(287)11x-6x=75(288)15x-12x=33(289)2x+0.2x=17.6(290)4.5x+0.5x=95(291)9.3x+3.7x=91(292)8.2x+6.3x=101.5(293)6.9x+9.7x=132.8(294)5.6x+3.6x=128.8(295)8.5x+8.4x=185.9(296)4.4x+7.3x=105.3(297)9.4x+5.3x=73.5(298)3.9x-0.6x=52.8(299)8.5x-3x=33(300)8.8x-5.8x=6(301)1.6x-1.3x=9.3(302)2.8x-2.1x=21(303)1.7x-0.6x=58.3(304)2.3x-1.6x=30.1(305)2.1x-1.5x=17.4(306)1.2x-0.4x=20(307)6x+12x+14=212(308)5x+6x+3=322(309)11x+14x+37=137(310)6x+14x+47=147(311)5x+15x+11=151(312)12x+2x+21=105(313)14x+11x+5=55(314)9x+12x+47=320(315)11x+6x+37=190(316)4x+6x-31=19(317)6x+4x-27=273(318)15x+5x-12=28(319)3x+2x-48=77(320)19x+3x-21=177(321)11x+13x-31=113(322)6x+4x-17=213(323)17x+8x-49=76(324)17x+4x-25=17(325)14x-3x+32=87(326)19x-9x+36=56(327)18x-15x+20=53(328)11x-7x+26=46(329)16x-5x+44=88(330)6x-3x+17=41(331)5x-2x+42=78(332)5x-3x+18=64(333)15x-8x+24=101(334)6x-3x-27=36(335)12x-5x-37=12(336)15x-7x-5=83(337)10x-5x-16=14(338)11x-6x-24=46(339)11x-2x-3=87(340)12x-3x-7=128(341)13x-5x-49=71(342)15x-4x-23=109(343)3.2x+5.9x+2.5=66.2(344)0.3x+8.4x+0.3=69.9(345)0.4x+2x+4.6=62.2(346)6x+8.7x+4.4=166.1(347)3x+2.8x+1.1=99.7(348)8x+9.5x+3=178(349)5.2x+3.5x+3=124.8(350)8.3x+1.9x+0.4=122.8(351)5.5x+2.2x+4.3=96.7(352)8x+3x+4.2=30.6(353)2x+10x+4.9=34.9(354)27x+24x+3.8=49.7(355)2x+17x+2=24.8(356)40x+94x+3.7=137.7(357)36x+27x+4.9=86.8(358)85x+62x+4.8=122.4(359)92x+87x+1.7=180.7(360)33x+72x+4.5=88.5(361)5.7x+2.9x-3.6=56.6(362)4.5x+3.8x-2.3=180.3(363)7.4x+5.6x-0.5=116.5(364)1.8x+0.6x-4.1=84.7(365)8.7x+5.4x-4.9=122(366)1.8x+0.5x-3=49.9(367)9.2x+4.4x-3.3=51.1(368)8.9x+4.5x-0.7=79.7(369)3x+0.7x-0.4=40.3(370)84x+24x-0.5=75.1(371)73x+47x-0.6=95.4(372)38x+8x-4.4=27.8(373)57x+81x-2.5=107.9(374)55x+13x-1.8=113.8(375)57x+6x-4.5=77.4(376)81x+4x-4.5=63.5(377)52x+41x-1.5=128.7(378)36x+6x-1.9=90.5(379)5x-1.2x+3=33.4(380)5.7x-2.6x+2.3=36.4(381)6.6x-4x+3.4=21.6(382)2.9x-1.6x+3.7=10.2(383)3.3x-1.2x+2.8=9.1(384)8.6x-5.3x+2.7=25.8(385)4.1x-3.2x+3.2=8.6(386)2.3x-1.3x+2.2=11.2(387)1.7x-0.4x+3.2=24(388)58x-21x+0.9=12(389)24x-9x+3.5=18.5(390)83x-58x+4.5=9.5(391)80x-78x+1=2.4(392)52x-27x+2.1=12.1(393)98x-55x+0.6=35(394)96x-42x+3.3=19.5(395)11x-3x+0.4=27.6(396)21x-9x+0.5=20.9(397)8.4x-5.7x-4.7=25(398)6.8x-2.3x-2.4=56.1(399)5.3x-3.3x-2.5=27.5(400)6.6x-3.4x-4.2=15(401)4x-2.8x-4.7=24.1(402)8.7x-0.2x-4.3=21.2(403)8.4x-2x-3.2=67.2(404)3.5x-0.6x-2.1=67.5(405)3.6x-0.5x-0.3=46.2(406)52x-42x-4.1=1.9(407)25x-17x-0.8=30.4(408)45x-29x-2.2=15.4(409)44x-31x-2.8=12.8(410)40x-21x-4.2=43.3(411)63x-44x-3.5=6(412)92x-66x-0.8=9.6(413)11x-3x-0.9=16.7(414)14x-6x-1=35.8(415)5x+52×3=316(416)21x+96×2=255(417)2x+27×5=245(418)6x+3×57=273(419)5x+5×35=310(420)10x+16×2=152(421)3x+17×5=91(422)2x+11×10=136(423)2x+7×15=141(424)11x-2×31=48(425)5x-25×6=45(426)11x-36×2=115(427)6x-10×11=46(428)2x-15×3=93(429)22x-24×7=30(430)10x-11×2=68(431)3x-7×5=85(432)3x-4×7=35(433)0.8x+0.8×12=24.8(434)2.8x+0.4×25=26.8(435)0.8x+1.2×3=12.4(436)2.2x+1.1×15=34.1(437)1.7x+3.5×5=24.3(438)0.3x+1.4×3=4.8(439)0.3x+0.9×16=17.4(440)1.6x+1.9×10=30.2(441)2.4x+0.2×15=7.8(442)18x+45×0.2=21.6(443)3x+15×0.2=9(444)10x+44×0.3=33.2(445)14x+14×0.8=23.8(446)4x+15×0.8=20.8(447)27x+34×0.3=29.1(448)7x+4×3.4=24.8(449)6x+22×0.5=17(450)13x+8×2.3=26.2(451)0.2x-0.5×10=4.4(452)0.6x-0.5×6=10.8(453)3.1x-0.2×28=13(454)3.1x-1.8×5=9.6(455)0.3x-0.2×38=6.2(456)0.7x-0.4×21=10.5(457)0.8x-4.8×2=7.2(458)0.4x-2×7=4(459)3.1x-1×6=6.4(460)6x-18×0.3=12(461)27x-17×0.6=3.3(462)10x-9×1.3=2.3(463)28x-16×0.9=5.2(464)5x-4×4.7=1.2(465)47x-21×0.5=3.6(466)28x-6×0.2=10(467)12x-3×2.2=3(468)7x-4×1.1=4(469)2(3x+32)=184(470)14(x+3)=168(471)2(8x+36)=168(472)3(3x+33)=135(473)15(x+5)=120(474)2(x+47)=142(475)2(9x+9)=72(476)4(x+2)=84(477)7(x+14)=147(478)3(x-13)=42(479)13(17x-23)=143(480)6(4x-46)=84(481)2(x-11)=66(482)15(4x-5)=165(483)8(x-25)=88(484)3(x-4)=36(485)8(5x-35)=80(486)14(6x-37)=154(487)5(2.8x+3.5)=45.5(488)3(3.2x+0.7)=40.5(489)2(2.2x+2.1)=17.4(490)2(x+6.5)=35(491)2(0.6x+4.9)=45.8(492)3(1.4x+0.6)=35.4(493)4(0.5x+3)=50(494)3(0.7x+1.5)=17.1(495)2(7.1x+6.8)=42(496)12(0.9x-5.1)=25.2(497)3(1.1x-4.5)=32.7(498)2(8.4x-0.5)=49.4(499)2(4.2x-9.2)=23.6(500)2(1.5x-7.7)=32.6(501)8(0.7x-4.8)=23.2(502)3(x-8.6)=25.2(503)3(0.2x-1)=22.8(504)9(0.2x-1.8)=30.6(505)(11x+3)÷38=5(506)(10x+46)÷13=12(507)(16x+4)÷2=42(508)(3x+3)÷6=7(509)(x+25)÷14=3(510)(7x+41)÷13=8(511)(5x+11)÷19=4(512)(13x+42)÷30=4(513)(8x+48)÷32=7(514)(8x-33)÷3=37(515)(9x-6)÷48=4(516)(3x-12)÷5=15(517)(17x-40)÷2=14(518)(12x-24)÷4=51(519)(8x-32)÷8=13(520)(18x-27)÷19=9(521)(9x-23)÷11=11(522)(6x-9)÷9=15(523)(7.7x+2.2)÷37=1.1(524)(3.9x+4.5)÷21=3(525)(1.3x+4)÷4=6.2(526)(7.4x+0.5)÷5=7.5(527)(2.5x+8.2)÷7=7.6(528)(0.6x+5.6)÷2=6.4(529)(2.5x+2.3)÷3=9.1(530)(4.8x+0.6)÷18=5.1(531)(2.2x+4.4)÷18=2.2(532)(1.8x-8.7)÷7=0.3(533)(3.1x-1.6)÷3=6.7(534)(2.5x-6.9)÷4=1.4(535)(1.3x-3.2)÷3=1.1(536)(5.8x-4.6)÷8=10.3(537)(9.9x-6.9)÷7=7.5(538)(3.7x-7.7)÷2=16.5(539)(x-5.8)÷2=3.6(540)(4.6x-8.8)÷12=3.1参考答案(1)x=44(2)x=32(3)x=25(4)x=81(5)x=41(6)x=55(7)x=52(8)x=4(9)x=24(10)x=93(11)x=34(12)x=41(13)x=60(14)x=72(15)x=82(16)x=53(17)x=95(18)x=43(19)x=7.9(20)x=3.3(21)x=0.6(22)x=1.8(23)x=7(24)x=0.3(25)x=8.1(26)x=1.5(27)x=2.2(28)x=7.4(29)x=5.2(30)x=6.6(31)x=5.9(32)x=3.4(33)x=9.8(34)x=9(35)x=5.4(36)x=5.7(37)x=85(38)x=52(39)x=46(40)x=18(41)x=61(42)x=12(43)x=72(44)x=16(45)x=92(46)x=6(47)x=15(48)x=19(49)x=31(50)x=40(51)x=26(52)x=51(53)x=45(54)x=55(55)x=0.3(56)x=1.7(57)x=4.3(58)x=6.8(59)x=6(60)x=6.1(61)x=4.7(62)x=1.9(63)x=4.7(64)x=2.5(65)x=3.4(66)x=3.5(67)x=1(68)x=5(69)x=4.5(70)x=4.5(71)x=0.3(72)x=1(73)x=18(74)x=10(75)x=6(76)x=2(77)x=16(78)x=52(79)x=7(80)x=4(81)x=38(82)x=9(83)x=24(84)x=10(85)x=7(86)x=7(87)x=16(88)x=20(89)x=5(90)x=26(91)x=0.9(92)x=6(93)x=0.4(94)x=0.3(95)x=1.3(96)x=6.7(97)x=3.3(98)x=0.2(99)x=1.5(100)x=9(101)x=16(102)x=4(103)x=43(104)x=7(105)x=4(106)x=2(107)x=94(108)x=7(109)x=5(110)x=5(111)x=17(112)x=8(113)x=45(114)x=39(115)x=7(116)x=5(117)x=22(118)x=175(119)x=96(120)x=60(121)x=9(122)x=81(123)x=15(124)x=146(125)x=64(126)x=136(127)x=3.2(128)x=17.4(129)x=1.2(130)x=7.6(131)x=12(132)x=14.5(133)x=8.8(134)x=15.4(135)x=15(136)x=15(137)x=2(138)x=3(139)x=52(140)x=11(141)x=44(142)x=18(143)x=2(144)x=3(145)x=36(146)x=12(147)x=6(148)x=4(149)x=11(150)x=10(151)x=4(152)x=11(153)x=17(154)x=0.2(155)x=0.5(156)x=0.8(157)x=0.6(158)x=3.8(159)x=0.7(160)x=7.6(161)x=0.7(162)x=1.3(163)x=24(164)x=66(165)x=4(166)x=62(167)x=55(168)x=21(169)x=38(170)x=8(171)x=55(172)x=3.7(173)x=3.7(174)x=0.4(175)x=0.2(176)x=0.7(177)x=0.2(178)x=9.5(179)x=4.9(180)x=0.4(181)x=2(182)x=19(183)x=27(184)x=4(185)x=36(186)x=2(187)x=2(188)x=16(189)x=2(190)x=8(191)x=29(192)x=2(193)x=10(194)x=11(195)x=47(196)x=3(197)x=10(198)x=2(199)x=15(200)x=53(201)x=51(202)x=43(203)x=7(204)x=72(205)x=2(206)x=31(207)x=3(208)x=3(209)x=23(210)x=2(211)x=30(212)x=75(213)x=5(214)x=2(215)x=15(216)x=3(217)x=0.2(218)x=0.6(219)x=0.4(220)x=1(221)x=1(222)x=0.3(223)x=0.5(224)x=0.3(225)x=0.4(226)x=4(227)x=4(228)x=15(229)x=59(230)x=3(231)x=2(232)x=3(233)x=5(234)x=8(235)x=0.2(236)x=0.9(237)x=2.5(238)x=0.7(239)x=0.5(240)x=7.6(241)x=0.2(242)x=2(243)x=0.4(244)x=24(245)x=3(246)x=7(247)x=24(248)x=16(249)x=11(250)x=33(251)x=22(252)x=3(253)x=6(254)x=6(255)x=85(256)x=18(257)x=26(258)x=8(259)x=6(260)x=15(261)x=76(262)x=0.4(263)x=0.2(264)x=0.4(265)x=1(266)x=0.5(267)x=0.5(268)x=0.2(269)x=0.2(270)x=0.7(271)x=18(272)x=14(273)x=27(274)x=16(275)x=33(276)x=7(277)x=39(278)x=6(279)x=9(280)x=24(281)x=7(282)x=7(283)x=12(284)x=16(285)x=17(286)x=11(287)x=15(288)x=11(289)x=8(290)x=19(291)x=7(292)x=7(293)x=8(294)x=14(295)x=11(296)x=9(297)x=5(298)x=16(299)x=6(300)x=2(301)x=31(302)x=30(303)x=53(304)x=43(305)x=29(306)x=25(307)x=11(308)x=29(309)x=4(310)x=5(311)x=7(312)x=6(313)x=2(314)x=13(315)x=9(316)x=5(317)x=30(318)x=2(319)x=25(320)x=9(321)x=6(322)x=23(323)x=5(324)x=2(325)x=5(326)x=2(327)x=11(328)x=5(329)x=4(330)x=8(331)x=12(332)x=23(333)x=11(334)x=21(335)x=7(336)x=11(337)x=6(338)x=14(339)x=10(340)x=15(341)x=15(342)x=12(343)x=7(344)x=8(345)x=24(346)x=11(347)x=17(348)x=10(349)x=14(350)x=12(351)x=12(352)x=2.4(353)x=2.5(354)x=0.9(355)x=1.2(356)x=1(357)x=1.3(358)x=0.8(359)x=1(360)x=0.8(361)x=7(362)x=22(363)x=9(364)x=37(365)x=9(366)x=23(367)x=4(368)x=6(369)x=11(370)x=0.7(371)x=0.8(372)x=0.7(373)x=0.8(374)x=1.7(375)x=1.3(376)x=0.8(377)x=1.4(378)x=2.2(379)x=8(380)x=11(381)x=7(382)x=5(383)x=3(384)x=7(385)x=6(386)x=9(387)x=16(388)x=0.3(389)x=1(390)x=0.2(391)x=0.7(392)x=0.4(393)