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)182+11x=347(2)8x÷4=12(3)10x-4x=30(4)45x=13.5(5)40-x=26(6)63+6x=189(7)3x-1.4=15.4(8)8x-15=65(9)14.2-5x=5.7(10)1.1x=7.7(11)19x-4x+2=122(12)10(15x-27)=180(13)x÷40=0.2(14)4.8+8.4x=21.6(15)45÷x=9(16)7x+5x=300(17)2(6x+23)=154(18)5x÷15=0.4(19)88-x=72(20)8x+5x-9=316(21)3x+28×0.4=21.7(22)56x+69x-4.7=45.3(23)5x=13.5(24)x+89=128(25)0.3x+1.7=5.9(26)0.8x-0.4x=26.8(27)x÷14=0.2(28)0.7x-0.8×10=2.5(29)(1.5x-7.4)÷11=1.1(30)28x+11×0.7=21.7(31)4(16x-38)=104(32)6.5+3.8x=14.1(33)5x÷4=4.5(34)25-x=12(35)3(3.2x-1.4)=34.2(36)3(0.2x+9.9)=45.9(37)0.2x=2.8(38)60+2x=76(39)0.2x+1.5×7=11.9(40)3.6÷x=0.4(41)18x-3x-6=54(42)53x+70x+3.9=114.6(43)89x-34x-4.3=23.2(44)183-24x=39(45)58-x=14(46)59-11x=15(47)(5x+16)÷46=1(48)116+10x=166(49)(8.7x+1.8)÷10=5.4(50)7x+36×5=208(51)8.6x+8.2x-0.7=66.5(52)x÷16=0.9(53)x-18=29(54)15x+2x+4=191(55)5x÷3=4(56)41x+2.6=10.8(57)6.6x-0.7x+1.5=84.1(58)60÷x=4(59)16x-4x-47=49(60)0.2x+4.9=21.9(61)(10x-5)÷11=15(62)14x-6×1.9=1.2(63)8.4x-1.6x=13.6(64)(7.4x-8.3)÷15=2.9(65)4x-2.2=3(66)162-24x=42(67)0.7x+2.1x=39.2(68)2(9x-22)=136(69)0.7x-0.2×19=11.6(70)5x+4.8=11.3(71)24x+5.3=22.1(72)9.5x-1.4x+0.2=40.7(73)96x+10x+2=33.8(74)146+61x=329(75)3x+11x=140(76)12x-6x-1.5=14.1(77)9x÷33=0.3(78)(7.7x-4.4)÷2=13.2(79)13x+10x-11=196(80)26x-6×0.7=11.4(81)42x-20×0.3=2.4(82)12x+3x-43=182(83)17x-4x=117(84)2.5x+3.9x-3=86.6(85)12.2-0.7x=5.2(86)37x-14x-0.3=61.8(87)16x+10×1.6=28.8(88)4.7x+3.5x=106.6(89)0.6x=15(90)8.4x+8.3x=183.7(91)96-x=10(92)8x+3×4.2=26.2(93)(1.3x-8.5)÷6=2.7(94)35x-20x+4.4=11.9(95)x÷38=5(96)4x=144(97)x÷4=49(98)7.5x-3.9=11.1(99)(14x+30)÷20=5(100)9x+6x=180(101)16.7-38x=1.5(102)(1.5x-1.2)÷4=5.7(103)8x+3x=99(104)3x-48=93(105)4(0.2x+0.5)=21.2(106)x-2.1=4(107)26x-6×1.4=2(108)(15x-27)÷9=12(109)7x÷11=14(110)4.7x-0.5×9=4.9(111)0.7x+1.1x-3.1=115.7(112)8x+12=52(113)36x+20x-0.4=38.8(114)7.3x+5.9x=171.6(115)x+18=74(116)11x-3x-43=21(117)7.9x-0.7x-0.9=13.5(118)3.7+x=4.9(119)4x=5.2(120)7(1.6x-2.2)=29.4(121)11x-6x+2.9=45.9(122)x÷6=15(123)x-0.2=1(124)47x-18×0.2=10.5(125)8x=24(126)(6x+14)÷4=23(127)0.3x-4.3=5(128)14x-9x+24=89(129)16x+7×14=130(130)73-x=41(131)10.6+14x=21.8(132)56x÷14=8(133)6x=12(134)(11x-14)÷2=15(135)x+5.1=8.7(136)x+7.8=8.3(137)0.5x=13.5(138)2.9x+0.3x-3.7=69.9(139)26x-18=86(140)(1.9x+5.4)÷22=1.8(141)7.5+x=14.6(142)0.4x+0.5×35=23.9(143)7.4x+5.5x+1.7=143.6(144)13x-3x+6=106(145)x+76=170(146)5.5+x=5.8(147)91+x=129(148)12x+3×18=186(149)x+7.7=10.1(150)7x-2×3.7=5.9(151)2(1.8x+2.3)=11.8(152)11x-2x+33=78(153)3(19x-44)=96(154)2.5x-4=13.5(155)(6x+40)÷2=83(156)9.1+16x=13.9(157)3÷x=0.3(158)x-51=11(159)178-20x=78(160)x÷28=0.2(161)6x+44x-2.2=7.8(162)76÷x=4(163)8x-5x=54(164)7.2x-0.8x+0.3=64.3(165)6.7+2x=11.9(166)7x+82×2=185(167)18.7+0.3x=27.1(168)(1.7x-0.7)÷30=0.6(169)5x+6x-34=285(170)1.9x-0.2×15=6.5(171)26x=104(172)(2.5x+6.7)÷9=1.3(173)8(1.1x-3.2)=36(174)7-x=3.4(175)4x-1.2=10.8(176)16÷x=2(177)x+86=182(178)7x-3x=36(179)0.2x-1×6=2.4(180)3(x+32)=198(181)x÷27=2(182)12x+51=243(183)3x+4.1=20.6(184)5.4-x=2(185)74x+67x+2.2=143.2(186)0.5x+0.6×14=12.9(187)5(5x-10)=150(188)0.3x+5.8=16.9(189)33x=165(190)2x+13×11=255(191)(x+23)÷5=8(192)19x=57(193)15x+3.6=9.6(194)x-86=12(195)19(3.3x-8.2)=32.3(196)13(0.3x-4.3)=33.8(197)x+59=124(198)46x-36x-4.2=4.8(199)199-4x=87(200)15x+9x+9=81(201)18x-7x-15=29(202)2.6x+2x+1.8=162.8(203)x-10=12(204)1.6x+2.1×8=29.6(205)0.6x-4.6=13.4(206)79+x=155(207)13x-2x-47=85(208)126-2x=72(209)10.1-0.5x=4.6(210)3.3x÷6=2.2(211)195÷x=5(212)4x+2x+4=220(213)10x+2x=240(214)2x+20=174(215)8.1x+0.7x-4.6=101(216)11.1-6x=6.3(217)61x-46x+2.7=19.2(218)8x-2x-32=94(219)0.2x+0.8×11=11.8(220)(13x+49)÷11=8(221)3x+3.9=19.5(222)19x-10x=45(223)16÷x=1.6(224)x+6.9=12.4(225)0.6x+3.9x=9(226)2(1.9x-5.4)=42.4(227)25+x=43(228)44x÷11=8(229)5.1-x=3.2(230)7x=14(231)2x+8×2=70(232)2.1x+0.5×37=37.4(233)0.5x-0.3x=9(234)x÷9=10(235)8(0.4x+1.8)=49.6(236)4.7-x=4.5(237)x÷4=2(238)7(0.5x+3.8)=33.6(239)63+x=125(240)8x-3x+43=63(241)4.8x-0.6x-4.1=54.7(242)x+21=41(243)(6x-34)÷14=7(244)9.6-1.8x=2.4(245)2.4x+8.3x=117.7(246)12.6+2x=18.8(247)6.8x+4.2x-3.2=73.8(248)2.6x÷4=3.9(249)6x=14.4(250)(4.3x-9.6)÷5=8.4(251)5x-2x-31=89(252)10x=70(253)7.1x-2.8x-3.6=39.4(254)82x-57x+2.9=12.9(255)(4.6x+2.4)÷16=1.3(256)7x+3×46=327(257)(1.2x+9.6)÷16=0.9(258)23x-11x-1.2=19.2(259)2x+11x+41=106(260)25x-2×1.6=14.3(261)13x+27=209(262)5.3x+1.3x+1.1=106.7(263)78x-31x+4=41.6(264)0.7x+0.4×35=29.4(265)60x÷10=18(266)2x-2=17.2(267)7.3-x=3.5(268)8.2x+8.8x-3.2=149.8(269)0.3x+4.4×4=22.1(270)5.7+x=9.9(271)8.5x+4.2x+0.4=127.4(272)17.6-2x=11.2(273)7x-3.9=14.3(274)57x-2.6=8.8(275)24x+7×1.2=13.2(276)17.7+0.3x=29.1(277)163-2x=33(278)x÷2=3.2(279)0.9x÷51=0.3(280)20x-12×8=64(281)3.5x-1.5x-0.8=7.2(282)x-56=10(283)3.9x-2.5x+4.2=21(284)(5x+32)÷33=4(285)16.8÷x=2.1(286)16x÷2=48(287)15.8-2.7x=5(288)3x÷6=25(289)7x-14=21(290)16x÷8=1.2(291)9(1.6x-2.2)=23.4(292)4x+23×0.4=16.8(293)7x+12x-32=234(294)20x-15×4=20(295)14.5-10x=12.5(296)1.9x-0.5x=37.8(297)2x+25x-4.2=17.4(298)9.9x-4.9x=30(299)13.6÷x=0.4(300)7.2+0.2x=27(301)x+7.6=16.3(302)4.6x-3x-2.6=29.4(303)79x+6x-2.4=57.1(304)18x-10x+36=60(305)6x÷3=4.2(306)2(2x+24)=180(307)2(2x+40)=96(308)0.2x-0.3×5=6.7(309)4.7x-4x-3.1=10.9(310)3(19x+25)=189(311)x÷4=2.3(312)53x+71x+4.1=115.7(313)5x+2x+41=314(314)10x-4x+1.8=11.4(315)7x-3x=96(316)176+10x=336(317)4x-13×7=101(318)85x+53x+0.3=55.5(319)7.6-0.9x=4.9(320)10x÷28=5(321)(2.3x-3.7)÷3=4.9(322)1.3x+3x+0.9=48.2(323)5.6x-1.5x=65.6(324)4x-2x+13=91(325)11x+15x-2.6=41.6(326)(17x-31)÷35=3(327)17.6-0.3x=15.5(328)2(2x-15)=142(329)x-18=10(330)x-13=44(331)18x-12x=36(332)(3x-14)÷2=35(333)19.2+5x=22.7(334)2.2x+4.9=18.1(335)3÷x=0.2(336)4.2x-0.6x=46.8(337)5.7x+3.3x+2.6=20.6(338)10.7-1.2x=2.3(339)x-16=60(340)10.1+12x=20.9(341)(x+17)÷2=11(342)3x-2.4=2.1(343)4.3x-0.3x+4.9=24.9(344)7.7x-7.2x-0.5=3.5(345)3x+4x-9=152(346)16x-14x=20(347)7+x=53(348)2(10x+22)=144(349)13x+8x+22=148(350)7x÷6=2.1(351)72x-68x-2.8=2.4(352)4.9x-3.7x=16.8(353)8x÷8=2(354)x÷5=36(355)(0.3x+1.2)÷10=0.3(356)3(0.4x+5.8)=45(357)(3x-49)÷8=4(358)(9x-2)÷2=53(359)2(2.7x+0.6)=28.2(360)(2x-2)÷16=2(361)0.4x-5.2=14.4(362)2.3x+2.1×9=30.4(363)8x-5.8=4.6(364)0.3x=15(365)4x-28=124(366)71x-4x+2.2=96(367)12-0.6x=10.8(368)0.7x÷3=1.4(369)4(0.3x+9.7)=43.6(370)3.5+7.3x=18.1(371)9.6x÷24=0.8(372)6.4x-2.5=10.3(373)20÷x=2(374)12x+17×0.6=23.4(375)41x-3×2.3=1.3(376)x-4.7=3.5(377)15.7-5x=11.2(378)x÷15=2(379)9x-15×8=69(380)2(11x+19)=170(381)31x+28×0.4=20.5(382)8.9+x=16.8(383)20x+25=85(384)13x-4x+40=166(385)0.6x=18.6(386)10x=190(387)x-8=1.4(388)x-15=45(389)2x+6x-46=34(390)x-3.2=5.6(391)1x÷6=1.5(392)26+x=40(393)135÷x=9(394)2(x-35)=22(395)22x-2×13=150(396)x+91=129(397)3(x+29)=144(398)6x-2x-5=83(399)28x+3.2=20(400)6-x=5.7(401)x-5.3=2.3(402)5(15x-48)=60(403)18x-3.8=5.2(404)5x+3x=64(405)8(24x-25)=184(406)6.3+0.6x=17.1(407)x÷3=1.3(408)54-18x=18(409)18x-9x-32=13(410)5x÷70=0.2(411)91-x=40(412)90÷x=18(413)11x÷5=33(414)17.7÷x=0.3(415)2.1x+9.8x+3.2=38.9(416)11.5-31x=2.2(417)66x=132(418)16x-9x=56(419)5x+80x+3.9=97.4(420)35+x=94(421)5x-26=119(422)0.3x+4.9=16.3(423)77-x=65(424)0.9x+0.5x=99.4(425)1.4x=9.8(426)33+x=128(427)45x+77x-1.2=120.8(428)2x-15=109(429)18x-2×1.3=17.2(430)0.6x+2.1=18.9(431)8x+4x+12=132(432)16.6-25x=1.6(433)60x-10x-0.6=14.4(434)7x+22×5=285(435)14x+16=198(436)10.4÷x=1.3(437)75x+34x-0.5=108.5(438)1.5x+1.9x+2.4=124.8(439)84x-52=116(440)8x+21×0.5=17.7(441)x+8=65(442)108+31x=232(443)2.1x-1.8x+4=6.4(444)4.2+x=6.4(445)x÷47=3(446)2x+3.5=16.5(447)8.6-x=7.2(448)96+x=156(449)20x-6x+2.3=70.9(450)6.7-2x=4.9(451)x+17=72(452)x÷89=0.2(453)8x+52=156(454)5.1x-1.5x+4.1=14.9(455)13+23x=22.2(456)0.7x+0.4x=82.5(457)0.2x+5.6=20(458)16(0.7x+0.7)=33.6(459)5.2+2x=7.8(460)2.8x+0.8x-4.7=42.1(461)14x+3×63=315(462)19x+9x=224(463)26x+18x+4.8=53.2(464)x+1.3=2(465)6x+4x+38=128(466)x-2.9=4.1(467)(9x+5.4)÷6=5.4(468)9.1-x=7(469)14x+13x-17=37(470)12.2-1.8x=5(471)3.6x+0.4x=12(472)8.5x-1.8=15.2(473)13x-9×14=17(474)14+17x=65(475)1.6x+5x+1.5=87.3(476)2(3x+19)=146(477)91x-33x+0.5=52.7(478)45÷x=3(479)65x-37=93(480)2.8x-1.2×9=6(481)0.2x-3.5=10.5(482)1.5+x=3.8(483)41x-32x-1.9=8(484)x+0.2=3.9(485)9.3x-7.6x=8.5(486)5x+3.8=21.8(487)15x=6(488)1.2+9x=12.9(489)x+6.5=7.7(490)2x+21=33(491)21x+16x-1.1=98.8(492)(7.6x+9.4)÷23=1.4(493)142-12x=34(494)9.5x+6.5x-2.5=157.5(495)4.8x-0.9×16=4.8(496)1.7+x=1.9(497)6x-2×10=100(498)1.4x=4.2(499)6.1-x=5(500)55x=16.5(501)x÷5=2.6(502)(11x+36)÷4=42(503)5.5+0.5x=19(504)10x-4.8=11.2(505)28x+26x+1.4=71.6(506)3x+6x=270(507)4.9x+1.4=16.1(508)82-x=73(509)2x=9(510)9.4+3x=15.4(511)(5.3x+9.1)÷3=15.4(512)(5.7x-2.5)÷13=2(513)15x÷10=1.8(514)x-3.7=2(515)30x=9(516)12÷x=2.4(517)7x+3x-24=56(518)4x÷20=0.8(519)x-2.6=1(520)8(2.5x-4.5)=24(521)0.4x÷16=0.2(522)0.8x-0.2x+1.8=7.2(523)1.5x-0.6×20=3(524)3x-7×16=86(525)0.3x=17.7(526)3.4x-0.5x-4.9=61.8(527)191+33x=323(528)7x+17x=96(529)13x+16x+49=281(530)4.2x-3.7x-3.1=2.4(531)3x+34=121(532)0.3x+2.1=16.2(533)70x+19x+3=127.6(534)5.8x-3.5x+1.2=5.8(535)x+4.4=10.7(536)3(1.1x-1.3)=32.4(537)11x-6x-0.8=31.2(538)17x-4×12=37(539)18x-16x+2=14(540)7.2+x=16.1參考答案(1)x=15(2)x=6(3)x=5(4)x=0.3(5)x=14(6)x=21(7)x=5.6(8)x=10(9)x=1.7(10)x=7(11)x=8(12)x=3(13)x=8(14)x=2(15)x=5(16)x=25(17)x=9(18)x=1.2(19)x=16(20)x=25(21)x=3.5(22)x=0.4(23)x=2.7(24)x=39(25)x=14(26)x=67(27)x=2.8(28)x=15(29)x=13(30)x=0.5(31)x=4(32)x=2(33)x=3.6(34)x=13(35)x=4(36)x=27(37)x=14(38)x=8(39)x=7(40)x=9(41)x=4(42)x=0.9(43)x=0.5(44)x=6(45)x=44(46)x=4(47)x=6(48)x=5(49)x=6(50)x=4(51)x=4(52)x=14.4(53)x=47(54)x=11(55)x=2.4(56)x=0.2(57)x=14(58)x=15(59)x=8(60)x=85(61)x=17(62)x=0.9(63)x=2(64)x=7(65)x=1.3(66)x=5(67)x=14(68)x=10(69)x=22(70)x=1.3(71)x=0.7(72)x=5(73)x=0.3(74)x=3(75)x=10(76)x=2.6(77)x=1.1(78)x=4(79)x=9(80)x=0.6(81)x=0.2(82)x=15(83)x=9(84)x=14(85)x=10(86)x=2.7(87)x=0.8(88)x=13(89)x=25(90)x=11(91)x=86(92)x=1.7(93)x=19(94)x=0.5(95)x=190(96)x=36(97)x=196(98)x=2(99)x=5(100)x=12(101)x=0.4(102)x=16(103)x=9(104)x=47(105)x=24(106)x=6.1(107)x=0.4(108)x=9(109)x=22(110)x=2(111)x=66(112)x=5(113)x=0.7(114)x=13(115)x=56(116)x=8(117)x=2(118)x=1.2(119)x=1.3(120)x=4(121)x=8.6(122)x=90(123)x=1.2(124)x=0.3(125)x=3(126)x=13(127)x=31(128)x=13(129)x=2(130)x=32(131)x=0.8(132)x=2(133)x=2(134)x=4(135)x=3.6(136)x=0.5(137)x=27(138)x=23(139)x=4(140)x=18(141)x=7.1(142)x=16(143)x=11(144)x=10(145)x=94(146)x=0.3(147)x=38(148)x=11(149)x=2.4(150)x=1.9(151)x=2(152)x=5(153)x=4(154)x=7(155)x=21(156)x=0.3(157)x=10(158)x=62(159)x=5(160)x=5.6(161)x=0.2(162)x=19(163)x=18(164)x=10(165)x=2.6(166)x=3(167)x=28(168)x=11(169)x=29(170)x=5(171)x=4(172)x=2(173)x=7(174)x=3.6(175)x=3(176)x=8(177)x=96(178)x=9(179)x=42(180)x=34(181)x=54(182)x=16(183)x=5.5(184)x=3.4(185)x=1(186)x=9(187)x=8(188)x=37(189)x=5(190)x=56(191)x=17(192)x=3(193)x=0.4(194)x=98(195)x=3(196)x=23(197)x=65(198)x=0.9(199)x=28(200)x=3(201)x=4(202)x=35(203)x=22(204)x=8(205)x=30(206)x=76(207)x=12(208)x=27(209)x=11(210)x=4(211)x=39(212)x=36(213)x=20(214)x=77(215)x=12(216)x=0.8(217)x=1.1(218)x=21(219)x=15(220)x=3(221)x=5.2(222)x=5(223)x=10(224)x=5.5(225)x=2(226)x=14(227)x=18(228)x=2(229)x=1.9(230)x=2(231)x=27(232)x=9(233)x=45(234)x=90(235)x=11(236)x=0.2(237)x=8(238)x=2(239)x=62(240)x=4(241)x=14(242)x=20(243)x=22(244)x=4(245)x=11(246)x=3.1(247)x=7(248)x=6(249)x=2.4(250)x=12(251)x=40(252)x=7(253)x=10(254)x=0.4(255)x=4(256)x=27(257)x=4(258)x=1.7(259)x=5(260)x=0.7(261)x=14(262)x=16(263)x=0.8(264)x=22(265)x=3(266)x=9.6(267)x=3.8(268)x=9(269)x=15(270)x=4.2(271)x=10(272)x=3.2(273)x=2.6(274)x=0.2(275)x=0.2(276)x=38(277)x=65(278)x=6.4(279)x=17(280)x=8(281)x=4(282)x=66(283)x=12(284)x=20(285)x=8(286)x=6(287)x=4(288)x=50(289)x=5(290)x=0.6(291)x=3(292)x=1.9(293)x=14(294)x=4(295)x=0.2(296)x=27(297)x=0.8(298)x=6(299)x=34(300)x=99(301)x=8.7(302)x=20(303)x=0.7(304)x=3(305)x=2.1(306)x=33(307)x=4(308)x=41(309)x=20(310)x=2(311)x=9.2(312)x=0.9(313)x=39(314)x=1.6(315)x=24(316)x=16(317)x=48(318)x=0.4(319)x=3(320)x=14(321)x=8(322)x=11(323)x=16(324)x=39(325)x=1.7(326)x=8(327)x=7(328)x=43(329)x=28(330)x=57(331)x=6(332)x=28(333)x=0.7(334)x=6(335)x=15(336)x=13(337)x=2(338)x=7(339)x=76(340)x=0.9(341)x=5(342)x=1.5(343)x=5(344)x=8(345)x=23(346)x=10(347)x=46(348)x=5(349)x=6(350)x=1.8(351)x=1.3(352)x=14(353)x=2(354)x=180(355)x=6(356)x=23(357)x=27(358)x=12(359)x=5(360)x=17(361)x=49(362)x=5(363)x=1.3(364)x=50(365)x=38(366)x=1.4(367)x=2(368)x=6(369)x=4(370)x=2(371)x=2(372)x=2(373)x=10(374)x=1.1(375)x=0.2(376)x=8.2(377)x=0.9(378)x=30(379)x=21(380)x=6(381)x=0.3(382)x=7.9(383)x=3(384)x=14(385)x=31(386)x=19(387)x=9.4(388)x=60(389)x=10(390)x=8.8(391)x=9(392)x=14(393)x=15(394