五年級數(shù)學(方程)習題及答案匯編

五年級數(shù)學(方程)習題及答案匯編(1)6.6x-1x=22.4(2)61x-23x+1.8=62.6(3)0.2+x=8.1(4)10.5+1.2x=29.7(5)7x+14=210(6)9x+49=67(7)13.2÷x=0.4(8)0.4x+1.7=7.3(9)8x+7×1.1=12.5(10)x+4.3=8.3(11)9.4x+2.8x=24.4(12)7x+3.1=4.5(13)26x+20×0.7=32.2(14)5(4x-19)=85(15)3.2x+3.8x+3.7=24.7(16)7x=5.6(17)65x-27x-4.7=10.5(18)58-x=54(19)6x+14x+36=256(20)x-18=15(21)(8x-24)÷18=8(22)6x-4x=56(23)4.4+x=9(24)193-2x=109(25)9x+4x=208(26)9.5-x=3.7(27)0.6x+1.4×5=16.6(28)12x÷24=3(29)19x+6x-32=193(30)28x+6×0.7=23.8(31)0.7+x=5.7(32)8x÷46=4(33)16+1.3x=35.5(34)5x÷25=0.4(35)2x=6(36)4.4x+0.2x-1=12.8(37)11+15x=21.5(38)3x=16.5(39)3.4x=17(40)15.5+84x=32.3(41)(8x+27)÷43=1(42)16.5+2x=23.7(43)14x-32×0.5=2.2(44)159+87x=333(45)3x-3.8=3.1(46)57x-28x-0.2=17.2(47)0.8x÷4=1.2(48)6(0.2x+1)=37.2(49)14.7-3.9x=3(50)4.5-x=1.5(51)15x+13x-2.1=65.1(52)16x=112(53)0.7x-0.3×10=9.6(54)x-1=7(55)8x÷32=3(56)(1.9x+9.4)÷27=0.7(57)170-7x=107(58)18x=16.2(59)15x-13x=14(60)25(0.4x-7.4)=25(61)(4.8x-3.6)÷27=2(62)19x-3x+36=164(63)0.5x÷10=2(64)10x-8x+45=59(65)32x-24×0.2=11.2(66)0.8x+3.4x+4.3=29.5(67)16x+27=203(68)x+3=32(69)x+31=55(70)8x+7×2.6=25.4(71)91-x=15(72)33x+3x+2.3=9.5(73)7.7-0.5x=2.2(74)9-x=3.5(75)12x-4x-29=43(76)8.8x-0.3x=68(77)0.7x-0.5×10=11.8(78)5.8-1.5x=2.8(79)2x÷18=0.7(80)34x-50=86(81)(7x-23)÷19=1(82)54x÷27=6(83)2(11x-3)=170(84)6(15x-29)=186(85)(0.2x+8.6)÷30=0.3(86)2x-5.8=2.2(87)x÷12=9(88)5.8x-5.6x=1.6(89)30x-26x-0.2=1.8(90)16x+45=237(91)2x+1.8=12(92)1.5x+1.1x+3.2=13.6(93)2x÷23=0.6(94)x+3.7=9.9(95)64x+40x+4.6=98.2(96)3.1x-1.6x+0.8=3.8(97)4x-3.2=12(98)14.7+2.3x=30.8(99)11.2÷x=0.2(100)0.5x+1.3×15=38.5(101)6x+7x=65(102)31x-15=47(103)4.3x+2.1×4=17(104)7.1x+8.3x=46.2(105)42x-9x-1.7=4.9(106)1.8x+9.5x=101.7(107)3(2x+33)=111(108)16+x=80(109)2x+5.5=6.9(110)0.2x+4=6(111)10(0.2x+0.3)=29(112)8x-4.9x-0.8=36.4(113)26x÷10=1.3(114)3x+3.7x=120.6(115)46+x=102(116)28x+9x-4.4=69.6(117)166+13x=309(118)69÷x=23(119)13x-7×0.4=15.4(120)62x-51x+4.3=7.6(121)32x+11x-3.1=117.3(122)4.7x-1.3x+1.7=15.3(123)5.9+x=15(124)4.3x+6.6x+0.9=109.9(125)3x=14.7(126)x-6=23(127)3.9x+3.2x+1.8=79.9(128)9.6x-2x+3.7=56.9(129)15.9-3x=6.3(130)185+6x=377(131)4+9x=12.1(132)26(0.7x-0.9)=31.2(133)78-x=41(134)5.2x+6.4x+3.9=96.7(135)0.5x+5=20.5(136)x-2.2=4.7(137)(8.6x-5.8)÷11=2.6(138)(7.8x+9.6)÷15=4.8(139)5.1x-4.3=5.9(140)31x-19x-1.9=1.7(141)2(5x-4.8)=30.4(142)2(6.4x+9.8)=45.2(143)0.4x-4.1=7.5(144)4.6x-2.6=15.8(145)11x-5×18=42(146)0.5x+5x-3.9=89.6(147)4.5x=9(148)196÷x=14(149)10x-43×0.3=2.1(150)(4x+3.6)÷2=11.8(151)6.2x=18.6(152)6x+2×3=102(153)x÷10=1.1(154)(8.8x-7.6)÷12=6.7(155)x÷6=1.4(156)3x-17×5=104(157)4(x-3)=136(158)7x+3×0.9=18.8(159)7x+15x=264(160)x÷5=3.5(161)0.3+x=3.6(162)5(x+24)=130(163)4(5x-24)=64(164)(3.2x-8)÷9=1.6(165)28x-15x+3.7=21.9(166)6(2.2x+0.3)=28.2(167)11(0.8x-7.5)=40.7(168)1.3x-1.2=17(169)159-10x=139(170)77÷x=7(171)13(1.8x-9.3)=42.9(172)x÷26=0.3(173)19.6-3x=2.8(174)3.3x-0.3x-0.5=68.5(175)43+x=128(176)5.3x-3.6x-2.6=9.3(177)x-3.2=5.3(178)2(2x-19)=62(179)68-x=63(180)9x+15x-39=81(181)x+15=106(182)(8.2x-3.8)÷5=5.8(183)14.3-5.8x=2.7(184)1x=9(185)13x+12x+10=360(186)18.5+1x=25.5(187)2x÷23=0.4(188)5x-31=169(189)33+x=87(190)67-x=52(191)12.3+0.6x=21.3(192)7.5÷x=1.5(193)10(7x-42)=140(194)16x÷32=5(195)17x-7x-9=101(196)3x+28=85(197)73x+25x+1.5=21.1(198)77x+65x-1.9=125.9(199)3.8x+2.1x-2.6=50.5(200)7.8x-6.2x=17.6(201)15.4-0.2x=10.4(202)(14x-46)÷8=24(203)6x+29=185(204)0.2x-0.5×3=4.3(205)10(0.7x-6.6)=32(206)4(2x+14)=128(207)36÷x=2(208)12x-2x+1=41(209)190-15x=85(210)18x÷63=2(211)11+x=65(212)0.7x-0.2x=10(213)2x+3x=285(214)10x=14(215)3x-4×8=34(216)2(1.7x-7.5)=8.8(217)0.5x+0.6×9=8.4(218)(3.6x+1.2)÷12=1.3(219)66-x=45(220)20+x=108(221)3.8x-1.4x=36(222)6+x=11.8(223)16÷x=1.6(224)17x+31×2=181(225)1+x=3.6(226)2.5x-2x=18(227)66x-31x-2.8=46.2(228)5x÷10=1.3(229)(12x-40)÷8=19(230)13x-2×51=15(231)5.1x÷9=1.7(232)2(4.8x-8.2)=12.4(233)19.6-3x=10.3(234)19.4-21x=6.8(235)71+x=167(236)90÷x=10(237)176-54x=68(238)82+11x=269(239)7.1-x=4.2(240)(12x-10)÷13=14(241)17x-10x+20=34(242)55x+18x+4=69.7(243)5.2-x=1.4(244)x÷5=0.3(245)0.5x-0.3x+4.1=13.5(246)(7x+4)÷2=9(247)8x÷9=1.6(248)4x+1.3=13.3(249)9.9-x=1.4(250)(4.6x+5.2)÷17=2.2(251)49x-28x+3.6=7.8(252)66x÷44=0.3(253)2.1x+0.4x=17.5(254)9.5x+2.5=21.5(255)x÷4=2(256)11x-7x=20(257)(5.4x-9.9)÷3=9.3(258)18+27x=26.1(259)4x÷16=1.2(260)7.6-x=2(261)6.2x-1.4x=24(262)15x+3x-39=159(263)(8.2x-1.4)÷3=21.4(264)x+8.4=12.7(265)2.3x-0.4x-3.7=43.8(266)0.3x-2.7×3=4.8(267)x-20=76(268)2x=156(269)x÷25=0.3(270)28x-2×11=174(271)33x-4.2=5.7(272)(13x+29)÷47=2(273)96+11x=228(274)69x+26x-1.6=121.9(275)0.7x-2×8=3.6(276)0.4x-1.1×9=6.9(277)2(0.8x+4.6)=25.2(278)x-11=53(279)48x÷12=12(280)5.1x+0.5x-1.9=98.9(281)x÷30=6(282)3x-4.5=8.7(283)12x-38=82(284)22x+10×18=268(285)160÷x=2(286)5x+2x=140(287)8.6-13x=4.7(288)7x-7×0.4=11.2(289)(5.3x+0.5)÷17=1.9(290)71x-31x-0.6=35.4(291)x÷44=4(292)9x-3x=42(293)x+6.5=7.2(294)x+52=108(295)12x+11x+32=354(296)0.3x+1×8=20.6(297)9x+2x=121(298)5(6x+5)=85(299)5x=165(300)4.6+5.6x=15.8(301)3x=123(302)1x+1.9=8.9(303)2(x+42)=122(304)(10x-32)÷8=21(305)83+10x=203(306)x-7.8=1.6(307)9x+1.4=5.9(308)10x+17x+38=335(309)16.2-0.3x=6.3(310)6x+4x-32=48(311)4(0.2x+5.5)=42(312)0.5x+1.2×4=8.3(313)25x-13x-3.6=2.4(314)6x-2x+27=87(315)x÷8=1.8(316)8.1-7x=3.2(317)16.5-0.9x=6.6(318)56x-32x-2.8=11.6(319)1.1x+0.4x=127.5(320)8x+6x-46=164(321)x-85=12(322)0.6x+4.4=16.4(323)x+81=164(324)x÷2=2(325)x+6.3=10(326)10x-5.7=14.3(327)2x=18(328)16x-6x-9=71(329)19x-9x-2=58(330)2.2x÷44=0.3(331)(0.4x+2.8)÷32=0.3(332)2x+53×2=156(333)31x+79x+2.3=57.3(334)5x-3x-15=13(335)x÷21=2(336)4x+49×3=239(337)3(0.3x+9.6)=47.7(338)5.4-x=4.2(339)x+5.2=11.4(340)4x+0.4×42=24.8(341)5.2÷x=0.2(342)8.6x+8.7x-1=137.4(343)3x+3×0.6=12.3(344)4.2x=16.8(345)16x=12.8(346)4(2x+23)=188(347)60x-38=142(348)7.2x-1.4x+1.7=19.1(349)1.2x=19.2(350)2x-0.6x-0.8=6.2(351)3x+15=120(352)0.2x÷3=3(353)2.5x+4.8x=58.4(354)18x-38×4=28(355)2(2x+37)=90(356)6x-2×30=96(357)13x+9x-0.7=69.7(358)11.9-0.6x=1.7(359)19x+2.4=10(360)8x÷4=1.4(361)13x÷52=2(362)x-12=83(363)12x-6x+7=31(364)0.6x÷75=0.2(365)(8x+12)÷4=33(366)3x+4.1=10.1(367)x+5.4=8.4(368)19.1-1.7x=12.3(369)0.9x-1=1.7(370)14x+5x-2.5=35.5(371)8.3+19x=12.1(372)17x-9×0.4=11.7(373)x-3.8=1(374)2(0.4x+4.2)=29.2(375)6.9x-5.5=8.3(376)5x+51=231(377)21x-1=3.2(378)16x-13x+43=67(379)17x+20×6=273(380)12x-6x+34=88(381)5x=10(382)1.9x+4=19.2(383)28x-8x+4.2=36.2(384)76-x=59(385)(2.9x+7.3)÷16=3.9(386)2(0.4x+9.6)=36(387)2.5x+0.9x+3.4=102(388)27-x=17(389)(9x-36)÷5=18(390)4.6x+0.4x+3=98(391)8.2x-1.2=15.2(392)(8x+8)÷2=16(393)6.2x-5.5=6.9(394)14.3-32x=7.9(395)x÷10=0.2(396)17.5-6x=15.7(397)(5.9x-9.9)÷6=13.1(398)x-16=48(399)10x+4x=266(400)(11x+43)÷24=5(401)0.6x÷39=0.4(402)167-4x=43(403)11x-7x-38=10(404)7.4-x=4.4(405)11(x+7)=165(406)3x=78(407)3.2x÷48=0.2(408)81x-12x+3=78.9(409)9.6x-3.3x=50.4(410)7.3x-6.2x-0.3=8.5(411)15x-47=43(412)24x+9×0.2=13.8(413)(11x+7)÷2=130(414)4.4+x=13.8(415)7x-54=121(416)2x=134(417)20x-12=68(418)(11x-16)÷6=23(419)60x+11x-2.1=54.7(420)8x+2x+28=68(421)0.6x-0.2×27=1.8(422)5x-2x=36(423)18x-7x-7=103(424)38x=7.6(425)x÷36=0.3(426)8.2+0.9x=12.7(427)10x-18×0.6=6.2(428)15x-3×0.6=4.2(429)x+2=18(430)52x+39x+1.9=65.6(431)2x+10x-37=71(432)6x+13x+31=88(433)7x=182(434)8x+18x-26=260(435)8.4÷x=0.2(436)5.2x+3.7x+1.3=125.9(437)5x+9x+5=313(438)(10x+24)÷14=6(439)8x+7x=135(440)110-10x=70(441)6.2x-1.7x-3.5=14.5(442)5x+15x-12=148(443)4x+3x-46=59(444)3+9x=18.3(445)(8x+40)÷24=4(446)23x-11x+2.3=11.9(447)10x-35×3=45(448)14x-10x=16(449)x-1.3=2.8(450)95+x=127(451)49÷x=7(452)x-0.8=4.6(453)2.7x+4.4x-3.1=117.6(454)12x+7x=114(455)4.5x-0.2×44=9.2(456)44x-5.6=7.6(457)40x+29x-1.9=32.6(458)x÷14=2(459)x+3.1=4.2(460)4.8÷x=0.3(461)5x+13x+33=231(462)11.2+1x=13.2(463)x-18=40(464)16x+23×0.8=28(465)6.8x-2.8x+3.5=59.5(466)16x-14=50(467)6x=8.4(468)x+64=147(469)93+3x=123(470)10x-17×0.5=9.5(471)7.1x+1x=56.7(472)11x-3x=120(473)4x+2×91=270(474)14x+3.6=17.6(475)3.5x-4.3=6.2(476)x+46=87(477)x-2.4=1(478)174÷x=29(479)3(2x+23)=81(480)0.9x+3.7=18.1(481)13x+2×4.4=16.6(482)81-2x=59(483)52x-24x+1.1=15.1(484)3.3x-1.6x+1.3=26.8(485)x-6.4=3.4(486)43x+12x+4.1=53.6(487)2(4x-19)=194(488)4.8x-0.9x-0.2=73.9(489)5x-3x+6=20(490)x÷4=39(491)95-x=11(492)3.9x+1.8x=114(493)11x+45=166(494)3+0.8x=13.4(495)9.8x+4.5x-4.6=52.6(496)x+5.5=7.8(497)2.5x=5(498)12x÷4=15(499)5.6+11x=10(500)2x-21×5=15(501)6÷x=2(502)8.3x=16.6(503)16x-6x-8=72(504)0.3x+4.5×3=20.4(505)x+49=77(506)1.3x-3.3×4=6.3(507)3.1x+0.3x-4.3=53.5(508)15.1+2x=33.7(509)0.3x+2.6=19.4(510)x-86=13(511)35x+54x+2.1=28.8(512)(14x-46)÷2=75(513)19.9-5x=4.9(514)3.4x-2.6x+0.4=14(515)2x+4x+36=330(516)13x+80×2=212(517)2(x-26)=32(518)3.2x=12.8(519)5.6+x=6.4(520)7.7x+1.4x-4.9=104.3(521)2.2x+2×3=25.8(522)x÷5=4(523)3x+7×8=197(524)4x+7x+3.2=41.7(525)2.6x-1.4x-4.6=7.4(526)93÷x=31(527)(1.5x-6)÷2=6(528)29x+3.9=21.3(529)89-36x=17(530)1.3x-0.7x+2.6=36.8(531)9x-4x=55(532)104+10x=154(533)16÷x=0.4(534)83x-5.8=10.8(535)17x-3x+3=87(536)124+17x=158(537)2(0.8x-4.3)=42.6(538)8x-3x=115(539)49+x=90(540)8x-6x-2=22參考答案(1)x=4(2)x=1.6(3)x=7.9(4)x=16(5)x=28(6)x=2(7)x=33(8)x=14(9)x=0.6(10)x=4(11)x=2(12)x=0.2(13)x=0.7(14)x=9(15)x=3(16)x=0.8(17)x=0.4(18)x=4(19)x=11(20)x=33(21)x=21(22)x=28(23)x=4.6(24)x=42(25)x=16(26)x=5.8(27)x=16(28)x=6(29)x=9(30)x=0.7(31)x=5(32)x=23(33)x=15(34)x=2(35)x=3(36)x=3(37)x=0.7(38)x=5.5(39)x=5(40)x=0.2(41)x=2(42)x=3.6(43)x=1.3(44)x=2(45)x=2.3(46)x=0.6(47)x=6(48)x=26(49)x=3(50)x=3(51)x=2.4(52)x=7(53)x=18(54)x=8(55)x=12(56)x=5(57)x=9(58)x=0.9(59)x=7(60)x=21(61)x=12(62)x=8(63)x=40(64)x=7(65)x=0.5(66)x=6(67)x=11(68)x=29(69)x=24(70)x=0.9(71)x=76(72)x=0.2(73)x=11(74)x=5.5(75)x=9(76)x=8(77)x=24(78)x=2(79)x=6.3(80)x=4(81)x=6(82)x=3(83)x=8(84)x=4(85)x=2(86)x=4(87)x=108(88)x=8(89)x=0.5(90)x=12(91)x=5.1(92)x=4(93)x=6.9(94)x=6.2(95)x=0.9(96)x=2(97)x=3.8(98)x=7(99)x=56(100)x=38(101)x=5(102)x=2(103)x=2(104)x=3(105)x=0.2(106)x=9(107)x=2(108)x=64(109)x=0.7(110)x=10(111)x=13(112)x=12(113)x=0.5(114)x=18(115)x=56(116)x=2(117)x=11(118)x=3(119)x=1.4(120)x=0.3(121)x=2.8(122)x=4(123)x=9.1(124)x=10(125)x=4.9(126)x=29(127)x=11(128)x=7(129)x=3.2(130)x=32(131)x=0.9(132)x=3(133)x=37(134)x=8(135)x=31(136)x=6.9(137)x=4(138)x=8(139)x=2(140)x=0.3(141)x=4(142)x=2(143)x=29(144)x=4(145)x=12(146)x=17(147)x=2(148)x=14(149)x=1.5(150)x=5(151)x=3(152)x=16(153)x=11(154)x=10(155)x=8.4(156)x=63(157)x=37(158)x=2.3(159)x=12(160)x=17.5(161)x=3.3(162)x=2(163)x=8(164)x=7(165)x=1.4(166)x=2(167)x=14(168)x=14(169)x=2(170)x=11(171)x=7(172)x=7.8(173)x=5.6(174)x=23(175)x=85(176)x=7(177)x=8.5(178)x=25(179)x=5(180)x=5(181)x=91(182)x=4(183)x=2(184)x=9(185)x=14(186)x=7(187)x=4.6(188)x=40(189)x=54(190)x=15(191)x=15(192)x=5(193)x=8(194)x=10(195)x=11(196)x=19(197)x=0.2(198)x=0.9(199)x=9(200)x=11(201)x=25(202)x=17(203)x=26(204)x=29(205)x=14(206)x=9(207)x=18(208)x=4(209)x=7(210)x=7(211)x=54(212)x=20(213)x=57(214)x=1.4(215)x=22(216)x=7(217)x=6(218)x=4(219)x=21(220)x=88(221)x=15(222)x=5.8(223)x=10(224)x=7(225)x=2.6(226)x=36(227)x=1.4(228)x=2.6(229)x=16(230)x=9(231)x=3(232)x=3(233)x=3.1(234)x=0.6(235)x=96(236)x=9(237)x=2(238)x=17(239)x=2.9(240)x=16(241)x=2(242)x=0.9(243)x=3.8(244)x=1.5(245)x=47(246)x=2(247)x=1.8(248)x=3(249)x=8.5(250)x=7(251)x=0.2(252)x=0.2(253)x=7(254)x=2(255)x=8(256)x=5(257)x=7(258)x=0.3(259)x=4.8(260)x=5.6(261)x=5(262)x=11(263)x=8(264)x=4.3(265)x=25(266)x=43(267)x=96(268)x=78(269)x=7.5(270)x=7(271)x=0.3(272)x=5(273)x=12(274)x=1.3(275)x=28(276)x=42(277)x=10(278)x=64(279)x=3(280)x=18(281)x=180(282)x=4.4(283)x=10(284)x=4(285)x=80(286)x=20(287)x=0.3(288)x=2(289)x=6(290)x=0.9(291)x=176(292)x=7(293)x=0.7(294)x=56(295)x=14(296)x=42(297)x=11(298)x=2(299)x=33(300)x=2(301)x=41(302)x=7(303)x=19(304)x=20(305)x=12(306)x=9.4(307)x=0.5(308)x=11(309)x=33(310)x=8(311)x=25(312)x=7(313)x=0.5(314)x=15(315)x=14.4(316)x=0.7(317)x=11(318)x=0.6(319)x=85(320)x=15(321)x=97(322)x=20(323)x=83(324)x=4(325)x=3.7(326)x=2(327)x=9(328)x=8(329)x=6(330)x=6(331)x=17(332)x=25(333)x=0.5(334)x=14(335)x=42(336)x=23(337)x=21(338)x=1.2(339)x=6.2(340)x=2(341)x=26(342)x=8(343)x=3.5(344)x=4(345)x=0.8(346)x=12(347)x=3(348)x=3(349)x=16(350)x=5(351)x=35(352)x=45(353)x=8(354)x=10(355)x=4(356)x=26(357)x=3.2(358)x=17(359)x=0.4(360)x=0.7(361)x=8(362)x=95(363)x=4(364)x=25(365)x=15(366)x=2(367)x=3(368)x=4(369)x=3(370)x=2(371)x=0.2(372)x=0.9(373)x=4.8(374)x=26(375)x=2(376)x=36(377)x=0.2(378)x=8(379)x=9(380)x=9(381)x=2(382)x=8(383)x=1.6(384)x=17(385)x=19(386)x=21(387)x=29(388)x=10(389)x=14(390)x=19(391)x=2(392)x=3(393)x=2(394)x=