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+69=154(2)x+28=41(3)x+5=91(4)x+22=54(5)x+79=124(6)x+94=126(7)x+83=130(8)x+63=129(9)x+98=191(10)x-7=72(11)x-4=92(12)x-28=62(13)x-17=10(14)x-31=33(15)x-14=11(16)x-53=16(17)x-8=87(18)x-4=49(19)x+7.7=9.1(20)x+3.5=8.7(21)x+2.3=9.4(22)x+5.3=15.1(23)x+8.2=17.9(24)x+6.9=12.4(25)x+9.1=13.5(26)x+7=8.9(27)x+3.9=12.6(28)x-3.3=4.7(29)x-3.6=4.5(30)x-3.7=2.6(31)x-3.8=2.6(32)x-3.6=3.7(33)x-6.2=2.3(34)x-6.1=3.1(35)x-5.3=1.2(36)x-6=1.6(37)98+x=120(38)97+x=193(39)81+x=112(40)61+x=94(41)5+x=18(42)67+x=144(43)88+x=174(44)43+x=76(45)29+x=71(46)76-x=63(47)76-x=36(48)26-x=14(49)92-x=41(50)95-x=16(51)70-x=54(52)92-x=55(53)59-x=12(54)98-x=22(55)3+x=7.6(56)3+x=6.7(57)5.3+x=5.7(58)8+x=10.4(59)0.3+x=4.6(60)1.9+x=3.6(61)8.1+x=15.3(62)2.2+x=9.2(63)9.5+x=16.8(64)9.1-x=2(65)3.6-x=3.2(66)7.5-x=6.5(67)7.8-x=7.3(68)6.3-x=1.7(69)4.4-x=1.9(70)6.6-x=3.2(71)9.5-x=7.1(72)7.9-x=1.7(73)2x=8(74)2x=160(75)20x=60(76)21x=42(77)20x=200(78)18x=144(79)35x=140(80)2x=194(81)4x=24(82)6.1x=18.3(83)5.8x=11.6(84)1.8x=3.6(85)3.3x=9.9(86)1.4x=18.2(87)6.6x=13.2(88)1.7x=3.4(89)2.1x=12.6(90)5.6x=16.8(91)2x=8.2(92)5x=6.5(93)17x=13.6(94)25x=17.5(95)3x=16.5(96)93x=18.6(97)54x=16.2(98)55x=11(99)59x=17.7(100)160÷x=10(101)99÷x=3(102)76÷x=2(103)12÷x=2(104)170÷x=2(105)44÷x=22(106)66÷x=3(107)120÷x=3(108)69÷x=3(109)18.7÷x=1.1(110)0.9÷x=0.3(111)12÷x=0.2(112)12.9÷x=0.3(113)13.2÷x=4.4(114)16.5÷x=1.5(115)6.2÷x=3.1(116)9.6÷x=1.6(117)13.8÷x=0.6(118)x÷12=12(119)x÷4=32(120)x÷7=27(121)x÷4=19(122)x÷10=7(123)x÷46=3(124)x÷39=3(125)x÷2=38(126)x÷6=17(127)x÷49=0.3(128)x÷5=3.9(129)x÷22=0.8(130)x÷2=4.6(131)x÷53=0.2(132)x÷7=0.8(133)x÷3=0.8(134)x÷3=2.3(135)x÷24=0.5(136)19x+12=107(137)95x+18=208(138)10x+54=224(139)7x+43=92(140)3x+11=95(141)3x+21=36(142)32x+40=136(143)17x+31=133(144)9x+18=135(145)6x-12=186(146)14x-42=84(147)2x-45=39(148)88x-32=144(149)25x-40=160(150)74x-34=114(151)49x-11=87(152)50x-36=164(153)3x-27=150(154)87x+4.4=21.8(155)3x+4.5=6.9(156)48x+4.9=19.3(157)68x+2.1=15.7(158)3x+1.9=13.3(159)35x+3.4=10.4(160)4x+4.3=6.7(161)2x+1.8=8.4(162)82x+3=19.4(163)1x+3.8=16.8(164)0.5x+3=11.5(165)0.4x+2.3=10.3(166)0.4x+3=13.8(167)0.3x+1.9=10(168)0.3x+3.4=12.4(169)0.6x+2.7=16.5(170)4.7x+5.5=19.6(171)0.2x+4.2=15.2(172)13x-2.3=13.3(173)2x-4.1=8.9(174)4x-5.1=6.5(175)8x-4.4=14(176)2x-3.1=11.3(177)12x-1.5=15.3(178)61x-2=16.3(179)10x-4.3=7.7(180)32x-5.7=3.9(181)8.7x-4=13.4(182)1.2x-1.6=12.8(183)0.7x-3=5.4(184)0.8x-4.6=15.4(185)0.3x-1=8.6(186)2.3x-3.1=15.3(187)0.2x-3.6=16(188)3.4x-4.3=9.3(189)0.2x-4.4=8.6(190)186+46x=324(191)60+15x=120(192)57+15x=117(193)173+10x=303(194)120+29x=236(195)56+2x=64(196)138+93x=324(197)159+9x=303(198)125+2x=195(199)111-6x=51(200)141-2x=71(201)48-3x=24(202)161-7x=77(203)152-2x=98(204)103-2x=65(205)179-4x=31(206)143-12x=83(207)120-12x=48(208)3.6+2x=15.6(209)16.9+9.1x=35.1(210)8+0.3x=13.4(211)3.7+0.4x=4.9(212)6.2+0.2x=16.2(213)1.3+3.3x=14.5(214)2.4+1.8x=16.8(215)2.6+2.5x=17.6(216)15.3+0.2x=26.3(217)6.8+2x=22(218)10.4+2x=23.2(219)18.4+8x=33.6(220)18.6+2x=24.8(221)7.5+7x=25.7(222)10.2+12x=23.4(223)2.4+5x=15.9(224)13.3+2x=18.7(225)4.6+39x=16.3(226)10.5-3.6x=3.3(227)16.9-0.3x=3.4(228)19.1-1.3x=11.3(229)19.2-3.5x=1.7(230)8.1-0.3x=5.4(231)18.5-0.3x=11.6(232)5.2-1.7x=1.8(233)17.2-0.5x=16.2(234)16.3-0.2x=3.7(235)11.1-13x=2(236)16.2-3x=9.6(237)19.3-17x=4(238)18-14x=4(239)12.9-3x=7.2(240)9.2-2x=3.2(241)11.5-9x=7.9(242)4.2-4x=1.4(243)13.9-4x=4.7(244)8x÷32=4(245)2x÷22=7(246)7x÷14=11(247)65x÷5=26(248)8x÷3=16(249)4x÷24=8(250)28x÷4=42(251)2x÷8=16(252)25x÷15=10(253)2.8x÷14=0.6(254)1.4x÷42=0.3(255)5.4x÷3=3.6(256)4.2x÷14=0.9(257)1.8x÷9=1.4(258)0.7x÷42=0.4(259)4.8x÷12=0.8(260)6.6x÷4=3.3(261)9.2x÷4=4.6(262)7x÷21=0.9(263)13x÷52=0.2(264)3x÷66=0.2(265)24x÷16=0.3(266)2x÷60=0.3(267)38x÷19=0.4(268)16x÷48=0.4(269)22x÷33=0.2(270)3x÷2=3.6(271)7x+12x=76(272)9x+3x=240(273)10x+15x=175(274)9x+6x=30(275)3x+12x=195(276)3x+17x=160(277)18x+15x=330(278)8x+9x=102(279)14x+19x=297(280)7x-2x=115(281)13x-3x=140(282)13x-4x=126(283)17x-7x=110(284)9x-6x=54(285)17x-6x=33(286)19x-4x=135(287)17x-12x=55(288)9x-5x=32(289)0.8x+1.1x=155.8(290)0.9x+5.4x=63(291)1.5x+3.8x=74.2(292)2.6x+8.1x=32.1(293)6.2x+4.9x=133.2(294)2x+0.5x=70(295)2.6x+4.6x=72(296)4.1x+6.3x=31.2(297)1x+3.5x=31.5(298)2.8x-2.2x=11.4(299)0.7x-0.3x=9.6(300)6.5x-5.8x=2.8(301)2.9x-2.6x=8.1(302)3.1x-0.2x=31.9(303)9.8x-9.3x=4.5(304)8.8x-3.6x=46.8(305)1.9x-1.2x=26.6(306)9.2x-6.5x=27(307)13x+17x+6=96(308)13x+9x+38=368(309)10x+12x+49=181(310)12x+11x+8=376(311)2x+18x+29=89(312)7x+3x+45=265(313)3x+19x+6=94(314)16x+4x+41=241(315)4x+7x+8=261(316)4x+11x-14=241(317)6x+5x-3=184(318)7x+2x-15=192(319)15x+11x-45=111(320)6x+10x-40=136(321)18x+5x-36=217(322)5x+12x-17=85(323)5x+9x-47=107(324)2x+3x-31=14(325)9x-2x+18=74(326)15x-12x+25=40(327)9x-3x+36=126(328)16x-2x+8=106(329)14x-8x+22=40(330)12x-2x+35=105(331)14x-2x+21=177(332)16x-11x+33=58(333)10x-8x+4=40(334)18x-3x-48=12(335)16x-4x-7=77(336)4x-2x-15=47(337)10x-6x-24=48(338)8x-3x-17=28(339)12x-3x-10=26(340)10x-6x-32=20(341)17x-11x-20=40(342)10x-5x-2=98(343)1.2x+1x+3.2=155(344)2.7x+5.3x+4.9=52.9(345)0.9x+0.4x+1.9=122.8(346)9x+5.7x+3.1=150.1(347)3.4x+2.6x+3.4=87.4(348)0.3x+0.6x+4.1=65.3(349)7.2x+2.2x+4.6=23.4(350)8.2x+5.6x+4.3=128.5(351)4.7x+4.6x+3.8=171.2(352)70x+65x+3.2=97.7(353)3x+25x+4=79.6(354)25x+95x+2.8=110.8(355)20x+45x+3.8=94.8(356)60x+99x+2.2=145.3(357)62x+47x+4.1=58.6(358)27x+53x+1.1=113.1(359)67x+36x+2.2=115.5(360)34x+39x+3.6=113.1(361)4.7x+7x-0.7=81.2(362)1.1x+2.5x-4.3=24.5(363)2.6x+2.4x-1.6=148.4(364)1.1x+4.4x-0.4=98.6(365)2.8x+4.9x-3.2=150.8(366)2.8x+6.2x-0.9=98.1(367)1.8x+7.6x-3.4=34.2(368)5.7x+5.6x-0.9=100.8(369)6.5x+4.8x-2.4=54.1(370)23x+38x-0.2=48.6(371)68x+95x-4.6=28(372)48x+58x-4.6=122.6(373)88x+56x-1.5=84.9(374)77x+5x-3.3=13.1(375)73x+18x-4.7=22.6(376)87x+48x-2.1=24.9(377)26x+95x-1.5=107.4(378)13x+67x-3.5=108.5(379)9.6x-7.1x+0.8=10.8(380)0.9x-0.2x+2.7=58(381)2.4x-0.8x+4.1=55.3(382)9.6x-5.1x+3.4=43.9(383)8x-5.7x+1.3=26.6(384)1.5x-0.9x+1.1=32.9(385)7.1x-1.4x+1.7=53(386)1.9x-0.2x+3.9=78.7(387)5.4x-2.5x+4.7=48.2(388)83x-69x+3.4=11.8(389)98x-47x+1.8=52.8(390)47x-43x+3.6=12(391)21x-3x+3.1=15.7(392)68x-33x+4.5=15(393)43x-21x+3.6=30(394)86x-24x+2.5=52.1(395)54x-23x+1.4=23.1(396)21x-13x+3.9=40.7(397)4.6x-0.2x-3.1=32.1(398)3x-1x-1=55(399)3x-1.8x-4.7=24.1(400)2.8x-2x-4.5=19.5(401)8.8x-3.2x-2.9=25.1(402)4x-1.9x-4.2=12.6(403)7.1x-4.7x-1.6=15.2(404)7.2x-1.5x-2.7=42.9(405)5.4x-2.4x-1.7=13.3(406)33x-4x-2.7=40.8(407)6x-4x-0.6=5.4(408)30x-23x-4.1=10.6(409)32x-14x-4.9=36.5(410)10x-5x-1.7=30.8(411)72x-35x-1.8=42.6(412)97x-30x-0.6=46.3(413)14x-4x-4.5=49.5(414)33x-26x-4.8=14.1(415)6x+78×2=330(416)2x+38×4=224(417)2x+12×3=172(418)2x+20×6=148(419)27x+3×43=264(420)2x+6×13=206(421)7x+3×66=275(422)2x+38×5=294(423)23x+81×2=300(424)2x-29×3=63(425)11x-18×7=17(426)21x-16×11=13(427)6x-3×19=99(428)19x-2×56=40(429)19x-15×2=27(430)2x-11×4=86(431)6x-10×14=10(432)6x-14×7=64(433)0.9x+0.3×11=6(434)1.3x+1.6×5=21(435)0.5x+0.3×5=3(436)0.9x+0.4×5=19.1(437)0.4x+4.5×3=18.3(438)0.7x+0.9×3=6.9(439)0.3x+0.2×21=10.2(440)0.3x+0.4×33=15(441)2.2x+1.2×15=31.2(442)5x+3×3.5=27.5(443)2x+8×1.9=18.6(444)29x+41×0.2=25.6(445)8x+3×3.3=29.1(446)12x+8×2.2=30.8(447)3x+14×0.7=24.5(448)22x+33×0.3=16.5(449)3x+19×0.8=20.6(450)2x+17×0.6=19.4(451)0.3x-0.5×7=1.3(452)0.3x-2.2×2=9.4(453)1.3x-1.1×9=4.4(454)2.9x-0.4×11=13(455)3.3x-0.5×11=1.1(456)0.4x-1.6×2=3.6(457)2.8x-0.9×20=1.6(458)3.6x-0.9×8=3.6(459)4.9x-2×3=13.6(460)8x-13×0.3=10.5(461)3x-13×0.2=7.3(462)12x-2×4.2=2.4(463)26x-12×0.4=3(464)23x-5×0.7=8(465)47x-2×1.7=10.7(466)4x-4×3.6=4(467)11x-2×3.8=2.3(468)6x-9×0.8=5.4(469)4(4x+23)=156(470)8(x+2)=160(471)8(4x+2)=80(472)18(2x+7)=198(473)11(x+2)=165(474)3(x+42)=180(475)5(x+2)=130(476)5(2x+6)=60(477)9(2x+7)=117(478)3(5x-46)=117(479)13(x-19)=182(480)7(2x-19)=77(481)3(17x-21)=90(482)5(x-22)=90(483)2(x-39)=20(484)2(3x-36)=132(485)2(16x-49)=62(486)3(x-29)=48(487)23(0.4x+0.2)=23(488)3(0.4x+4.6)=30.6(489)2(4x+4.9)=49.8(490)2(7.9x+9.2)=50(491)2(0.2x+4.7)=10.6(492)2(0.7x+4.4)=48(493)2(5.9x+0.8)=37(494)2(6.9x+1.2)=30(495)5(0.7x+1.1)=47.5(496)5(x-2.2)=34(497)10(0.2x-3.4)=40(498)20(1.7x-4.3)=50(499)12(0.5x-7.8)=44.4(500)4(0.4x-1.7)=20.4(501)16(1.1x-0.9)=38.4(502)3(1.1x-4.7)=22.2(503)3(8.2x-5.7)=32.1(504)23(0.8x-0.4)=27.6(505)(15x+47)÷2=121(506)(9x+27)÷2=135(507)(19x+15)÷5=41(508)(6x+12)÷3=28(509)(17x+14)÷8=23(510)(2x+32)÷2=37(511)(x+22)÷7=5(512)(x+48)÷2=36(513)(3x+24)÷35=3(514)(16x-16)÷2=16(515)(8x-14)÷6=3(516)(6x-12)÷14=9(517)(10x-26)÷19=6(518)(10x-30)÷7=30(519)(2x-12)÷26=1(520)(17x-49)÷35=2(521)(5x-12)÷18=6(522)(9x-35)÷2=5(523)(6.6x+0.8)÷8=3.4(524)(8.8x+4)÷20=4.6(525)(2.7x+4.8)÷6=2.6(526)(6.7x+0.2)÷16=4.2(527)(5x+1.2)÷8=3.9(528)(x+1.6)÷28=0.2(529)(7.9x+7.8)÷3=10.5(530)(7.2x+2)÷38=1(531)(1.1x+2.1)÷14=0.7(532)(3.9x-6.4)÷4=2.3(533)(3.4x-3)÷14=2.7(534)(3.9x-0.9)÷33=2.1(535)(0.4x-2.6)÷14=0.1(536)(4.9x-2.6)÷5=8.3(537)(6.5x-1.8)÷4=2.8(538)(3.6x-4.2)÷2=10.5(539)(1.3x-4)÷21=0.8(540)(9.4x-5.7)÷3=16.9参考答案(1)x=85(2)x=13(3)x=86(4)x=32(5)x=45(6)x=32(7)x=47(8)x=66(9)x=93(10)x=79(11)x=96(12)x=90(13)x=27(14)x=64(15)x=25(16)x=69(17)x=95(18)x=53(19)x=1.4(20)x=5.2(21)x=7.1(22)x=9.8(23)x=9.7(24)x=5.5(25)x=4.4(26)x=1.9(27)x=8.7(28)x=8(29)x=8.1(30)x=6.3(31)x=6.4(32)x=7.3(33)x=8.5(34)x=9.2(35)x=6.5(36)x=7.6(37)x=22(38)x=96(39)x=31(40)x=33(41)x=13(42)x=77(43)x=86(44)x=33(45)x=42(46)x=13(47)x=40(48)x=12(49)x=51(50)x=79(51)x=16(52)x=37(53)x=47(54)x=76(55)x=4.6(56)x=3.7(57)x=0.4(58)x=2.4(59)x=4.3(60)x=1.7(61)x=7.2(62)x=7(63)x=7.3(64)x=7.1(65)x=0.4(66)x=1(67)x=0.5(68)x=4.6(69)x=2.5(70)x=3.4(71)x=2.4(72)x=6.2(73)x=4(74)x=80(75)x=3(76)x=2(77)x=10(78)x=8(79)x=4(80)x=97(81)x=6(82)x=3(83)x=2(84)x=2(85)x=3(86)x=13(87)x=2(88)x=2(89)x=6(90)x=3(91)x=4.1(92)x=1.3(93)x=0.8(94)x=0.7(95)x=5.5(96)x=0.2(97)x=0.3(98)x=0.2(99)x=0.3(100)x=16(101)x=33(102)x=38(103)x=6(104)x=85(105)x=2(106)x=22(107)x=40(108)x=23(109)x=17(110)x=3(111)x=60(112)x=43(113)x=3(114)x=11(115)x=2(116)x=6(117)x=23(118)x=144(119)x=128(120)x=189(121)x=76(122)x=70(123)x=138(124)x=117(125)x=76(126)x=102(127)x=14.7(128)x=19.5(129)x=17.6(130)x=9.2(131)x=10.6(132)x=5.6(133)x=2.4(134)x=6.9(135)x=12(136)x=5(137)x=2(138)x=17(139)x=7(140)x=28(141)x=5(142)x=3(143)x=6(144)x=13(145)x=33(146)x=9(147)x=42(148)x=2(149)x=8(150)x=2(151)x=2(152)x=4(153)x=59(154)x=0.2(155)x=0.8(156)x=0.3(157)x=0.2(158)x=3.8(159)x=0.2(160)x=0.6(161)x=3.3(162)x=0.2(163)x=13(164)x=17(165)x=20(166)x=27(167)x=27(168)x=30(169)x=23(170)x=3(171)x=55(172)x=1.2(173)x=6.5(174)x=2.9(175)x=2.3(176)x=7.2(177)x=1.4(178)x=0.3(179)x=1.2(180)x=0.3(181)x=2(182)x=12(183)x=12(184)x=25(185)x=32(186)x=8(187)x=98(188)x=4(189)x=65(190)x=3(191)x=4(192)x=4(193)x=13(194)x=4(195)x=4(196)x=2(197)x=16(198)x=35(199)x=10(200)x=35(201)x=8(202)x=12(203)x=27(204)x=19(205)x=37(206)x=5(207)x=6(208)x=6(209)x=2(210)x=18(211)x=3(212)x=50(213)x=4(214)x=8(215)x=6(216)x=55(217)x=7.6(218)x=6.4(219)x=1.9(220)x=3.1(221)x=2.6(222)x=1.1(223)x=2.7(224)x=2.7(225)x=0.3(226)x=2(227)x=45(228)x=6(229)x=5(230)x=9(231)x=23(232)x=2(233)x=2(234)x=63(235)x=0.7(236)x=2.2(237)x=0.9(238)x=1(239)x=1.9(240)x=3(241)x=0.4(242)x=0.7(243)x=2.3(244)x=16(245)x=77(246)x=22(247)x=2(248)x=6(249)x=48(250)x=6(251)x=64(252)x=6(253)x=3(254)x=9(255)x=2(256)x=3(257)x=7(258)x=24(259)x=2(260)x=2(261)x=2(262)x=2.7(263)x=0.8(264)x=4.4(265)x=0.2(266)x=9(267)x=0.2(268)x=1.2(269)x=0.3(270)x=2.4(271)x=4(272)x=20(273)x=7(274)x=2(275)x=13(276)x=8(277)x=10(278)x=6(279)x=9(280)x=23(281)x=14(282)x=14(283)x=11(284)x=18(285)x=3(286)x=9(287)x=11(288)x=8(289)x=82(290)x=10(291)x=14(292)x=3(293)x=12(294)x=28(295)x=10(296)x=3(297)x=7(298)x=19(299)x=24(300)x=4(301)x=27(302)x=11(303)x=9(304)x=9(305)x=38(306)x=10(307)x=3(308)x=15(309)x=6(310)x=16(311)x=3(312)x=22(313)x=4(314)x=10(315)x=23(316)x=17(317)x=17(318)x=23(319)x=6(320)x=11(321)x=11(322)x=6(323)x=11(324)x=9(325)x=8(326)x=5(327)x=15(328)x=7(329)x=3(330)x=7(331)x=13(332)x=5(333)x=18(334)x=4(335)x=7(336)x=31(337)x=18(338)x=9(339)x=4(340)x=13(341)x=10(342)x=20(343)x=69(344)x=6(345)x=93(346)x=10(347)x=14(348)x=68(349)x=2(350)x=9(351)x=18(352)x=0.7(353)x=2.7(354)x=0.9(355)x=1.4(356)x=0.9(357)x=0.5(358)x=1.4(359)x=1.1(360)x=1.5(361)x=7(362)x=8(363)x=30(364)x=18(365)x=20(366)x=11(367)x=4(368)x=9(369)x=5(370)x=0.8(371)x=0.2(372)x=1.2(373)x=0.6(374)x=0.2(375)x=0.3(376)x=0.2(377)x=0.9(378)x=1.4(379)x=4(380)x=79(381)x=32(382)x=9(383)x=11(384)x=53(385)x=9(386)x=44(387)x=15(388)x=0.6(389)x=1(390)x=2.1(391)x=0.7(392)