五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案匯編

五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案匯編(1)0.7x-1.1=15.7(2)19x-17x+36=54(3)0.7x-2.7×2=8.6(4)x÷3=44(5)46x+52x-2.8=65.8(6)28x-14=182(7)3x+12x+4=89.5(8)16.8+4x=35.6(9)85x÷5=34(10)2.5x-0.8×9=2.8(11)6x+4=5.8(12)17.7-5.2x=7.3(13)13.7-0.7x=10.2(14)x+2.2=3.4(15)x+9.9=15.9(16)6(0.4x+3.8)=30(17)10(x+4)=180(18)x+87=119(19)17(6x-31)=187(20)48x-8x-4=4(21)0.2x-2.9=13.9(22)13.1-0.2x=5.5(23)18.8-52x=3.2(24)12x-2x-1.9=45.1(25)4(0.2x+3.4)=22.4(26)2x+57=191(27)64x-46x-1.6=11(28)8x-4x=60(29)13+x=33(30)3x=192(31)4(20x-40)=80(32)9x+14x+46=230(33)12x-2x=110(34)54x-18x+4.1=40.1(35)x÷5=6(36)6÷x=0.3(37)2(0.2x-1)=17.2(38)3.8x+4.1=15.5(39)4.1x+9x-3.6=61.9(40)18x-2x=160(41)0.4x+4.3=5.5(42)6.9-x=3.4(43)(2.6x-6)÷2=7.4(44)17.9-5x=6.4(45)7x+16x=276(46)0.3x+2.6=10.7(47)7x+21×8=329(48)(6x-24)÷10=6(49)3.6x-0.3x-4.5=51.6(50)24x+43×2=278(51)(9x-5.4)÷18=1.7(52)2x+31×6=232(53)3x+32×6=219(54)4x+4×3.2=16.8(55)x-2=1(56)0.2x=6(57)7.1x+5.7x=89.6(58)42x=8.4(59)12-14x=9.2(60)5x+3.8x+2.8=108.4(61)2.1+25x=12.1(62)11x-4x+34=153(63)16.6+29x=25.3(64)16.9-0.3x=5.2(65)(3.4x+7)÷6=2.3(66)5.5+x=10.7(67)x-3.7=1(68)7.4x-4.6x-2.6=22.6(69)16.9+11x=29(70)2(18x+22)=188(71)x+9.2=13.9(72)8÷x=2(73)75x+92x+4.3=71.1(74)(9.5x-5.5)÷13=2.5(75)3(3.2x-6.5)=38.1(76)14x-3x=143(77)(15x-30)÷20=9(78)34x=17(79)8x+18x=156(80)16+x=57(81)2(1.1x+2.6)=9.6(82)x+18=59(83)x+73=160(84)(0.8x+6.2)÷6=1.3(85)62-2x=22(86)0.6x=19.8(87)8.7x÷29=0.6(88)(11x+35)÷37=6(89)0.5x+2.2×4=25.8(90)3(0.6x+8.5)=47.1(91)2(x+22)=108(92)x÷2=2.6(93)(7.4x+5.9)÷7=9.3(94)2x-3×5=69(95)9.4+x=10.4(96)0.7x=3.5(97)3(10x-14)=78(98)12x=8.4(99)1.7x-0.5×28=1.3(100)116+61x=299(101)x+62=125(102)14.9-31x=5.6(103)196-2x=142(104)7.3x+7.5x+4.3=78.3(105)x+51=93(106)2x+3x-23=287(107)17.9-28x=9.5(108)0.8x+5.3x-1.1=29.4(109)5.2x+1x=37.2(110)(6x-33)÷27=3(111)5.6x÷84=0.2(112)28x=140(113)12.1+0.2x=14.7(114)x-21=44(115)x÷37=2(116)18x+7x+0.3=65.3(117)2x÷15=0.4(118)4x-3×4.8=4.4(119)40÷x=10(120)17.2+53x=27.8(121)2(7x+36)=100(122)6(2x-19)=186(123)48x÷3=32(124)2(x-5.8)=22.4(125)8x-0.5x+4.7=64.7(126)173-33x=107(127)9.1-x=8.2(128)13x+24×0.5=26.3(129)4.1+x=13.6(130)3.2x+2.2x-1.4=122.8(131)8x÷40=4(132)0.2x-2.2=4.4(133)1.2x-0.7x+1.3=3.3(134)82-x=40(135)3x+6x+16=34(136)9.6x-1.1x-1.8=32.2(137)x-4.6=2.2(138)9.4x-8x-2.5=4.5(139)9(12x-34)=126(140)4.1x-3.8=4.4(141)4x+7x-43=144(142)x+9.4=14.5(143)15x+4x+40=135(144)19x=57(145)(1.1x+2.7)÷14=0.9(146)7x+6x-41=76(147)3(6x+11)=195(148)2.6x-2x-4.3=9.5(149)80-x=62(150)0.2x=10.4(151)x÷3=1.5(152)4(x+11)=104(153)x÷5=3(154)41x+31x-2.6=19(155)17x-6x-4.6=29.5(156)11x-2x-38=70(157)18.5+0.9x=38.3(158)2.4x-4.2=3(159)1.4x-0.6x=52.8(160)7.9-x=5.1(161)4(1.1x-5)=41.6(162)159-5x=69(163)18x÷60=0.3(164)5.9x+4.7x=31.8(165)(12x+26)÷5=22(166)10x-5x+18=93(167)29x-6×1.1=10.8(168)0.2x-2×3=3.4(169)3x+7x+40=170(170)126-16x=94(171)9x-2×38=95(172)16x-7x-48=42(173)16x-3x-36=107(174)(12x-37)÷5=19(175)95-x=74(176)x+15=25(177)7x+17x+49=145(178)24÷x=12(179)1.3x-0.8x+1.2=5.7(180)10x-3x=56(181)3.2x+3.8x+1.1=15.1(182)8x-18×2=52(183)2x-12=174(184)9.2-x=7.4(185)3x+5×1.4=9.7(186)4.4+x=9.4(187)62x+30x-3.6=143.6(188)(4.4x+8.9)÷9=4.9(189)0.7x÷63=0.2(190)0.3x+1.2=10.5(191)7.1-x=5.4(192)7x+23=51(193)87x+37x-4.7=57.3(194)2.2x+1x=121.6(195)2x+4×2=17(196)1x=4(197)7x-2x-45=90(198)(x+49)÷2=26(199)2.8x+6.2x+3.5=39.5(200)0.2x+4.7=8.3(201)x+6.3=7.8(202)15.5-23x=10.9(203)x÷5=0.3(204)14.7÷x=4.9(205)x-2=45(206)7x÷28=5(207)2x+2×43=150(208)28x-16x+3.2=33.2(209)6.9x-0.2x-2.7=91.1(210)(16x+26)÷9=10(211)5-x=4.3(212)52x-7x-1.7=52.3(213)95+x=156(214)x+4.7=6.6(215)2.5x-0.5×11=7(216)167+54x=275(217)17.9-0.6x=13.1(218)7.2x-6.9x=1.2(219)32x-3×1.8=7.4(220)0.5x÷10=0.7(221)2(x-2.3)=31.4(222)17x-10x+36=113(223)35x+34×0.2=24.3(224)8.9-0.5x=4.4(225)11(3x-4.5)=16.5(226)3x-35×4=16(227)0.8x+0.9x-3.8=147.5(228)38x=15.2(229)118+3x=313(230)6x+1.3x=102.2(231)x-2.4=1.4(232)14x÷63=0.2(233)5.1x+4.7x-2.4=144.6(234)50+50x=250(235)7.5+x=14.3(236)(6.3x-0.3)÷5=13.8(237)0.6x-0.4x=13.8(238)1.1x+4.9x-3.1=14.9(239)4x-2x=72(240)18.1+5x=20.6(241)18x-2×23=62(242)41x=164(243)x÷22=4(244)x-8=85(245)27x+34×0.4=24.4(246)53+x=110(247)23x-31×4=14(248)3x-5=4(249)6.6÷x=3.3(250)2x=112(251)9.6÷x=0.3(252)2(1.3x+2.5)=33.6(253)8x+7x+15=60(254)0.4x÷10=1.2(255)22x+93x-2.3=43.7(256)x+6.7=11.9(257)11.9-0.5x=9.4(258)10x+22×0.2=7.4(259)(8x+4)÷2=58(260)52x=15.6(261)2.5x=7.5(262)11x+13x+21=117(263)18.9÷x=0.7(264)0.5x+2.4=11.9(265)(1.3x+8.4)÷11=1(266)80x-71x+3.7=13.6(267)19x-7x=72(268)4x-4.9=6.3(269)8x+7x=165(270)3.5+x=10.8(271)3(0.5x+7.7)=45.6(272)6+x=19(273)x-45=35(274)35x-23x-0.3=14.1(275)2x+59=187(276)4.9x+0.7×21=24.5(277)8.4x-7.8x+4.4=8(278)40+x=42(279)6.6x÷33=0.6(280)x÷7=1.9(281)x-2.9=3.4(282)2(4.3x-5.9)=5.4(283)6x÷60=0.3(284)35x+46x-4.8=84.3(285)9x+19x+42=266(286)28+2x=140(287)x÷27=0.3(288)4.7x-2.4x=23(289)93x-3.8=14.8(290)2x+5x-9=187(291)82x-35x+0.5=33.4(292)19x+11x=270(293)91+x=179(294)0.3x+3.2×2=10.9(295)8x-1.9x=36.6(296)x-61=26(297)70x-58x+1.9=17.5(298)9x=6.3(299)2x-13×2=138(300)13x-3x-34=66(301)(10x-16)÷3=38(302)5x=3.5(303)17.3+1x=20.3(304)13x-4x+36=117(305)9x+6×1.5=10.8(306)x-5=12(307)(7x-8.8)÷3=27.4(308)6.2x+5.1x+4.6=174.1(309)x-4.4=1.2(310)(9x-18)÷9=27(311)13x+6x=133(312)93x+4x+2.1=89.4(313)(x+19)÷4=6(314)2(12x-18)=132(315)12x÷2=4.2(316)2(0.5x+6.9)=39.8(317)0.4x-4.7×2=1.8(318)3.9+0.4x=10.3(319)0.2x=12.2(320)27x-11=70(321)11x-3x-45=19(322)5.4÷x=1.8(323)16x-3×4.2=3.4(324)2(12x-38)=164(325)17x-6x+3=80(326)0.4x=6.8(327)74x-7x+1.6=82(328)2(1.5x+0.7)=43.4(329)12x-6x-3.5=31.9(330)14x+5.6=22.4(331)25x-24×5=30(332)4.7+x=12.3(333)32x=192(334)19x-31=64(335)(12x-4)÷10=20(336)95x-4.1=14.9(337)8.3x-1.5x-3.7=77.9(338)(1.5x-7.5)÷9=2(339)2.3x-0.2x-4.7=66.7(340)15x-10x=65(341)29-x=17(342)5.6+0.4x=15.6(343)89x+12x+3.1=83.9(344)5.7x-1.9x=64.6(345)3x+22×6=324(346)0.9x+4.7x+0.7=90.3(347)x÷7=6(348)x+67=152(349)14.5+11x=27.7(350)x÷10=1(351)5.4-x=2.4(352)9.6+0.5x=25.1(353)x÷3=2.5(354)5(x+26)=185(355)10x-8x+42=56(356)14x=14(357)8.8x-7.4x=14(358)6x+44=194(359)6.9x-4.9x+2.1=26.1(360)170-60x=50(361)10x+9x=152(362)x÷4=2(363)6x+30=60(364)x+13=110(365)7.7x-3.1x+2.6=48.6(366)1.2x-1.2=10.8(367)6.5x-3x+4.3=32.3(368)9.3-x=2.5(369)4x-10=34(370)8x+38=62(371)9.8-x=7.6(372)34x÷17=10(373)50x÷15=10(374)5x-3x+14=80(375)8x+3x+40=84(376)4x+16x+4=16(377)3x+18×5=279(378)17.1+6.8x=30.7(379)0.3x+0.5x-2.3=20.1(380)4.1+x=6.8(381)6x=156(382)20x+2×7=94(383)(1.4x+2.8)÷10=2.1(384)2x-55=11(385)37x+1.6=16.4(386)41x+46x+4.6=82.9(387)49x+9x+2.8=60.8(388)9.2x+9x+3.3=148.9(389)3.1x=9.3(390)4x+34x-3.7=19.1(391)4x-2x+38=72(392)22x+18=150(393)0.5x+0.2×10=7(394)10x=70(395)1x-0.5×11=10.5(396)13x+1.9=5.8(397)8.5x-2.5x+2.1=56.1(398)6x-4.9=14.3(399)19x+15x-48=156(400)60÷x=12(401)165÷x=5(402)0.9x+2.6x=70(403)10(1.6x-7.1)=41(404)5x+6x-40=158(405)5x÷3=45(406)7x-2×3.1=8.5(407)9.6+2x=26.8(408)(12x-28)÷16=8(409)6(x-4)=138(410)5x=16.5(411)(1.4x-4)÷2=7.1(412)1.6x+2=11.6(413)7x+11x-22=302(414)62-x=15(415)3.4x+7.1x+3.5=45.5(416)7x-2×13=163(417)52-x=17(418)x÷17=0.7(419)48x-5.9=13.3(420)15x-3x-24=132(421)2x+42=58(422)(10x+30)÷20=12(423)18x-2×3.8=12.2(424)22x+13=123(425)x-17=26(426)x-35=10(427)1.1x÷22=0.2(428)31x+14x-1.5=66(429)5x-33=57(430)13x-1.6=7.5(431)0.3x+3.2=8(432)2.2+21x=16.9(433)61+x=109(434)76-x=41(435)2x-2.2=11.6(436)112+6x=304(437)89+12x=125(438)3.8x+2.4×4=24.8(439)65÷x=13(440)47x+5.7=15.1(441)33x÷3=2.2(442)77x-60x-2=11.6(443)182÷x=26(444)1.9+0.7x=13.8(445)50x÷5=20(446)23x-18×0.6=3(447)2÷x=0.2(448)(4.4x+2)÷9=1.2(449)8.6x-1.5x=63.9(450)4.8x-1.3x=31.5(451)4.6+x=9.5(452)0.2x-1.4=6.2(453)2(2x+32)=148(454)1.7x+1.8×11=23.2(455)7.1x-0.2x-1.9=94.7(456)10x÷25=2(457)147+2x=221(458)2(16x+20)=200(459)x+5.3=7.9(460)0.9x+5.8=18.4(461)19x+18x=185(462)66x+2.4=15.6(463)7x-20×0.2=12.1(464)0.4x+0.2×16=22(465)29x+84×2=255(466)6x-2x-9=115(467)x+83=125(468)1.2x÷4=2.7(469)0.6x+2x-0.2=114.2(470)123÷x=41(471)42x-2.5=5.9(472)1.4x+0.3×2=6.2(473)14.9-0.3x=4.4(474)x-3.6=1.7(475)93x-76x+2.6=11.1(476)15x-46=149(477)2x+2.6=18.8(478)17.2-20x=3.2(479)x÷45=2(480)5.1-2x=1.5(481)x÷24=4(482)71x+20x+4.1=86(483)x-8=90(484)12(12x-12)=144(485)187-3x=163(486)x+6=11.5(487)1.8x-2.6=2.8(488)2x-2.5=15.1(489)95-x=46(490)116÷x=2(491)(11x-42)÷2=67(492)0.4x+2.1x+4.4=119.4(493)5.4-0.5x=3.4(494)0.2x-0.4×20=1.2(495)0.2x÷7=0.4(496)(0.9x-3.4)÷4=1.4(497)4x-31×0.2=5.8(498)(4x+44)÷6=14(499)(14x+27)÷3=37(500)64x÷16=1.2(501)28x+6×0.8=16(502)7x+14x=252(503)38x=114(504)1.1x+3.4×4=32.3(505)8x-34=94(506)21x-3x-2.8=29.6(507)5x+2=9.5(508)156-3x=102(509)17x-11x=24(510)9.6x+5.9x-4.1=135.4(511)x-2.9=6.1(512)2x+3.9=11.7(513)152-8x=120(514)5x+6x-36=173(515)0.8x+0.2x=37(516)95x-16x+1.1=40.6(517)17-5x=15(518)3.6+1.9x=7.4(519)x÷43=3(520)(2.3x+3.3)÷8=3(521)2x÷29=0.4(522)12x+16x=224(523)12x-7x-25=30(524)40x+48x-2.4=59.2(525)1x-2.2×2=13.6(526)1.6x+8.9x=105(527)4x-3x+1.2=26.2(528)(5.6x-1.5)÷5=10.9(529)5x+3x-42=206(530)18÷x=3.6(531)9(0.3x-5.2)=45(532)8.4x+7.2x=31.2(533)14x÷28=0.2(534)189÷x=27(535)x-0.4=1.4(536)36+x=80(537)4(3.1x+2.4)=34.4(538)12+2x=174(539)61x-33x+2.9=33.7(540)57-x=52參考答案(1)x=24(2)x=9(3)x=20(4)x=132(5)x=0.7(6)x=7(7)x=5.7(8)x=4.7(9)x=2(10)x=4(11)x=0.3(12)x=2(13)x=5(14)x=1.2(15)x=6(16)x=3(17)x=14(18)x=32(19)x=7(20)x=0.2(21)x=84(22)x=38(23)x=0.3(24)x=4.7(25)x=11(26)x=67(27)x=0.7(28)x=15(29)x=20(30)x=64(31)x=3(32)x=8(33)x=11(34)x=1(35)x=30(36)x=20(37)x=48(38)x=3(39)x=5(40)x=10(41)x=3(42)x=3.5(43)x=8(44)x=2.3(45)x=12(46)x=27(47)x=23(48)x=14(49)x=17(50)x=8(51)x=4(52)x=23(53)x=9(54)x=1(55)x=3(56)x=30(57)x=7(58)x=0.2(59)x=0.2(60)x=12(61)x=0.4(62)x=17(63)x=0.3(64)x=39(65)x=2(66)x=5.2(67)x=4.7(68)x=9(69)x=1.1(70)x=4(71)x=4.7(72)x=4(73)x=0.4(74)x=4(75)x=6(76)x=13(77)x=14(78)x=0.5(79)x=6(80)x=41(81)x=2(82)x=41(83)x=87(84)x=2(85)x=20(86)x=33(87)x=2(88)x=17(89)x=34(90)x=12(91)x=32(92)x=5.2(93)x=8(94)x=42(95)x=1(96)x=5(97)x=4(98)x=0.7(99)x=9(100)x=3(101)x=63(102)x=0.3(103)x=27(104)x=5(105)x=42(106)x=62(107)x=0.3(108)x=5(109)x=6(110)x=19(111)x=3(112)x=5(113)x=13(114)x=65(115)x=74(116)x=2.6(117)x=3(118)x=4.7(119)x=4(120)x=0.2(121)x=2(122)x=25(123)x=2(124)x=17(125)x=8(126)x=2(127)x=0.9(128)x=1.1(129)x=9.5(130)x=23(131)x=20(132)x=33(133)x=4(134)x=42(135)x=2(136)x=4(137)x=6.8(138)x=5(139)x=4(140)x=2(141)x=17(142)x=5.1(143)x=5(144)x=3(145)x=9(146)x=9(147)x=9(148)x=23(149)x=18(150)x=52(151)x=4.5(152)x=15(153)x=15(154)x=0.3(155)x=3.1(156)x=12(157)x=22(158)x=3(159)x=66(160)x=2.8(161)x=14(162)x=18(163)x=1(164)x=3(165)x=7(166)x=15(167)x=0.6(168)x=47(169)x=13(170)x=2(171)x=19(172)x=10(173)x=11(174)x=11(175)x=21(176)x=10(177)x=4(178)x=2(179)x=9(180)x=8(181)x=2(182)x=11(183)x=93(184)x=1.8(185)x=0.9(186)x=5(187)x=1.6(188)x=8(189)x=18(190)x=31(191)x=1.7(192)x=4(193)x=0.5(194)x=38(195)x=4.5(196)x=4(197)x=27(198)x=3(199)x=4(200)x=18(201)x=1.5(202)x=0.2(203)x=1.5(204)x=3(205)x=47(206)x=20(207)x=32(208)x=2.5(209)x=14(210)x=4(211)x=0.7(212)x=1.2(213)x=61(214)x=1.9(215)x=5(216)x=2(217)x=8(218)x=4(219)x=0.4(220)x=14(221)x=18(222)x=11(223)x=0.5(224)x=9(225)x=2(226)x=52(227)x=89(228)x=0.4(229)x=65(230)x=14(231)x=3.8(232)x=0.9(233)x=15(234)x=4(235)x=6.8(236)x=11(237)x=69(238)x=3(239)x=36(240)x=0.5(241)x=6(242)x=4(243)x=88(244)x=93(245)x=0.4(246)x=57(247)x=6(248)x=3(249)x=2(250)x=56(251)x=32(252)x=11(253)x=3(254)x=30(255)x=0.4(256)x=5.2(257)x=5(258)x=0.3(259)x=14(260)x=0.3(261)x=3(262)x=4(263)x=27(264)x=19(265)x=2(266)x=1.1(267)x=6(268)x=2.8(269)x=11(270)x=7.3(271)x=15(272)x=13(273)x=80(274)x=1.2(275)x=64(276)x=2(277)x=6(278)x=2(279)x=3(280)x=13.3(281)x=6.3(282)x=2(283)x=3(284)x=1.1(285)x=8(286)x=56(287)x=8.1(288)x=10(289)x=0.2(290)x=28(291)x=0.7(292)x=9(293)x=88(294)x=15(295)x=6(296)x=87(297)x=1.3(298)x=0.7(299)x=82(300)x=10(301)x=13(302)x=0.7(303)x=3(304)x=9(305)x=0.2(306)x=17(307)x=13(308)x=15(309)x=5.6(310)x=29(311)x=7(312)x=0.9(313)x=5(314)x=7(315)x=0.7(316)x=26(317)x=28(318)x=16(319)x=61(320)x=3(321)x=8(322)x=3(323)x=1(324)x=10(325)x=7(326)x=17(327)x=1.2(328)x=14(329)x=5.9(330)x=1.2(331)x=6(332)x=7.6(333)x=6(334)x=5(335)x=17(336)x=0.2(337)x=12(338)x=17(339)x=34(340)x=13(341)x=12(342)x=25(343)x=0.8(344)x=17(345)x=64(346)x=16(347)x=42(348)x=85(349)x=1.2(350)x=10(351)x=3(352)x=31(353)x=7.5(354)x=11(355)x=7(356)x=1(357)x=10(358)x=25(359)x=12(360)x=2(361)x=8(362)x=8(363)x=5(364)x=97(365)x=10(366)x=10(367)x=8(368)x=6.8(369)x=11(370)x=3(371)x=2.2(372)x=5(373)x=3(374)x=33(375)x=4(376)x=0.6(377)x=63(378)x=2(379)x=28(380)x=2.7(381)x=26(382)x=4(383)x=13(384)x=33(385)x=0.4(386)x=0.9(387)x=1(388)x=8(389)x=3(390)x=0.6(391)x=17(392)x=6(393)x=10(394)x=7(39