五年級數(shù)學(方程)專項練習題及答案匯編

五年級數(shù)學(方程)專項練習題及答案匯編(1)6(6.9x-7.9)=35.4(2)8x-6x-2=38(3)16x+14x=150(4)7x+37=121(5)x+65=151(6)3x+11×0.7=12.2(7)37x=14.8(8)13x=195(9)x+88=147(10)48÷x=12(11)43x-14x+1.6=68.3(12)17x+18x=140(13)0.4x-4.1=10.3(14)10x+2x-5=163(15)3.4x=10.2(16)36+3x=108(17)x-4.7=3.8(18)9x=18(19)x-12=26(20)3.9x-3.8×3=8.1(21)5.5+x=9.1(22)3(26x-12)=198(23)x+3.1=7.9(24)10.5-24x=5.7(25)12x+19x+32=187(26)13x+2×25=115(27)x+0.3=4.2(28)0.8x+5.8=18.6(29)5.4x-0.9x-3.2=59.8(30)10.1+4.4x=18.9(31)0.4x+1.6×8=19.2(32)24x-12×0.5=3.6(33)17.8÷x=0.2(34)10x-8x-2.1=5.3(35)x+7.7=15.2(36)8.8x-5.1x-3.3=18.9(37)1.6x+1.3x=58(38)61x-17x+0.7=53.5(39)16.2÷x=0.6(40)9.4-x=7.1(41)0.2x÷48=0.3(42)x+76=171(43)4.6x+0.7x-3.5=91.9(44)0.5x+3.7×5=27.5(45)11.7+0.2x=20.1(46)27x+4×0.3=17.4(47)33+x=71(48)1.5x+2.3×8=36.4(49)4.8x-3.1x=23.8(50)(13x-13)÷3=26(51)8(17x-31)=160(52)18x-6x=60(53)(6x-44)÷34=1(54)5x-4.6x=3.2(55)0.7x-0.5x+0.7=18.5(56)138÷x=46(57)x-2.3=6.3(58)2.9x+3.9×5=25.3(59)4.5x-0.7×13=4.4(60)4.1x+3.4x+3.5=146(61)5(x+25)=190(62)193+28x=389(63)10x-6x+39=87(64)16x+6×30=244(65)3x-10×0.6=3.3(66)13x-4×18=84(67)17x=187(68)16x-2×4.3=9(69)(0.4x+8.9)÷5=2.1(70)(3.6x-3.8)÷5=12.2(71)19x-14x+5=15(72)0.4x=16(73)x-33=64(74)4.6x-4=5.2(75)0.4x+5.9=19.1(76)2x÷4=19(77)32x=19.2(78)84-x=69(79)5x+88x-3.3=33.9(80)(19x-15)÷3=33(81)20x+3.3=13.3(82)4.1x+3.8x+1.7=175.5(83)42x-36x+3.6=6(84)2.2x-0.9x+2.9=9.4(85)5x+17x=198(86)(6x+9)÷31=3(87)9(2x+16)=180(88)20x=80(89)6.5x-5.6x=7.2(90)10x+6x+24=56(91)2x+3x-22=148(92)98-x=62(93)14÷x=2.8(94)10x+2x+42=114(95)0.4x+3.8=17.4(96)25x-13=162(97)197-26x=15(98)9.2x+3.7x-2.5=87.8(99)2(x+6)=36(100)x-4.3=3.1(101)68+x=97(102)8x-2.7=7.7(103)21x÷3=4.2(104)3x+3.9=13.2(105)14.4÷x=0.3(106)4x+15×0.2=10.6(107)2x+2.8=15.2(108)11x-5x=48(109)5x+5.1=13.1(110)50x-20=80(111)6.4x+0.7x-0.3=21(112)x÷5=1.1(113)78x-54x-3.5=20.5(114)5.4x-2.4x=15(115)2x+12x=42(116)70x+69x+1.3=29.1(117)6x+17x+49=256(118)11x-3.7=15(119)8.5÷x=1.7(120)8.3x+0.8x+3.1=57.7(121)108÷x=12(122)x+61=132(123)3x+51=225(124)1.3x=5.2(125)6x-4x-37=21(126)(4x+22)÷26=5(127)2x=38(128)1.7x-4.5=12.5(129)27x-42×4=21(130)(7.4x-5.8)÷12=6.3(131)65x-1.1=18.4(132)6x+27=159(133)9.5-1x=4.5(134)4(1.9x+1.8)=22.4(135)x-8=78(136)2x+42=146(137)7.1+x=12.8(138)8x+16x+24=96(139)92x-68x+4.7=19.1(140)18.9÷x=0.7(141)6(0.6x+3.5)=28.2(142)11.2+22x=17.8(143)6x+14x=160(144)2x=166(145)16x+14x=90(146)12.2-0.8x=8.2(147)8.7-6x=3.3(148)2(0.4x-5)=5.2(149)7.2x+4.8x-0.5=83.5(150)1.1x-3.3=12.1(151)78x+22x-3.8=86.2(152)26x+30x-0.8=77.6(153)4.8x-0.6x=63(154)0.3x+5.5=8.5(155)x÷2=19(156)2(9.4x-1.5)=34.6(157)4x÷18=1(158)8x-2x+48=132(159)x÷7=0.8(160)0.5x+4.7=21.7(161)137-2x=43(162)8x+19x-22=59(163)177-5x=107(164)3.5+x=9.9(165)3(3.4x-9.3)=33.3(166)28+2x=36(167)2.9+3x=14.9(168)11x+16x-5=211(169)0.3x+9.8x-3.7=67(170)4.5x+5.3x=98(171)66x+22x+4.8=31.2(172)4x+10x-43=125(173)5.7+3.3x=15.6(174)5.5+x=13.4(175)3(8x-7.8)=24.6(176)5(x+33)=185(177)x÷47=4(178)41x+83x+1.6=38.8(179)16x-13x-4.7=4(180)x-4.7=3.3(181)0.7x+1.2x+4.5=59.6(182)4+x=33(183)76-x=60(184)(2.6x-5.9)÷5=0.9(185)52÷x=26(186)0.5x+1.5x-4.8=87.2(187)3.4x+4.1x=142.5(188)14x-36=20(189)x+53=116(190)126-5x=101(191)1.2x+3.4×5=20.6(192)2x+2×4=16(193)0.4x+4.8=22.4(194)92x÷4=4.6(195)x÷12=6(196)4÷x=0.8(197)66+x=84(198)33x-25=107(199)6.9+x=14.2(200)166+2x=272(201)1.4x-0.7x=18.9(202)(2.4x-6)÷6=6.2(203)18x-5x=78(204)0.9x-0.6x+1=9.7(205)86-x=70(206)4x+16x+8=148(207)(11x+5)÷2=30(208)18x-14×0.8=3.2(209)19x-11x-33=15(210)24x+14×1=23.6(211)(7.3x+1.2)÷3=29.6(212)2(18x+18)=108(213)8.8x+3.3x=60.5(214)8.2-x=6.3(215)5.6x-1.3x-0.2=21.3(216)10x-13×0.4=13.8(217)2.6x+6.6x=138(218)(3.2x-5)÷33=1.4(219)17x-5×15=112(220)x-3=17(221)9-x=8.5(222)68x+9x-0.9=106.9(223)65x-10x-2.5=14(224)65x+16x+4.4=28.7(225)15x-2.6=4.9(226)17.6-0.2x=17(227)2x+46×0.2=13.8(228)16x+28=172(229)2x+2×81=206(230)x÷33=0.3(231)x-22=60(232)195÷x=3(233)99x+89x-2.9=128.7(234)18x-11x+26=96(235)1.6x-0.2×32=1.6(236)x+94=114(237)8x÷20=0.8(238)12.8-2.9x=7(239)3(x+43)=171(240)0.5x+0.5×25=28(241)15x-7x-40=64(242)3x+40×2=239(243)3(x+16)=120(244)15x÷30=0.2(245)7x-3x-7=93(246)3(2.2x+8.6)=39(247)15x÷5=36(248)8x-53=11(249)60-x=14(250)13.8÷x=4.6(251)(6x-35)÷11=11(252)5(0.5x+2.7)=23.5(253)8.4x÷14=1.2(254)3(1.7x+4.3)=43.5(255)73-x=56(256)0.2x-5.4=10.2(257)2x-1.7x-0.7=13.4(258)x÷2=1.8(259)(17x+33)÷9=32(260)15x-2x-15=115(261)7.5+x=14.8(262)9x+15x=312(263)x÷41=0.4(264)17x-3x-26=44(265)69+x=97(266)2x-2.9=6.1(267)2.6x-1.4×5=3.4(268)2(x-23)=48(269)2.3x+4.3=13.5(270)1.6x÷20=0.8(271)2.1x+2.9x+1.6=76.6(272)9x÷15=3(273)4x÷2=0.6(274)16x-11x+28=63(275)(11x+19)÷4=68(276)13.6÷x=0.8(277)3x-5=9.7(278)3x+4.7x-4.6=41.6(279)x÷13=15(280)19.8+2.4x=34.2(281)(2x+34)÷35=2(282)13x+4.9=10.1(283)(x+12)÷18=2(284)14x+2×43=156(285)9.3-x=5.5(286)x-4=60(287)x-48=42(288)8x-7×1.1=4.3(289)49x-26x-3=3.9(290)15+0.3x=30(291)3.7x-0.6x-1.8=60.2(292)73-x=25(293)36-x=26(294)63x+45x+0.2=162.2(295)4.3x+7.7x+1.3=73.3(296)22x+9x+3=46.4(297)11x+67x-4.7=96.7(298)50x÷30=5(299)x÷67=0.2(300)64x+11=203(301)55x-5x-4.5=45.5(302)25(0.2x-3.9)=42.5(303)5x-11×5=40(304)97+14x=139(305)0.3x+3.7x+4.2=68.2(306)(12x+24)÷5=12(307)2.3+3x=3.2(308)0.8x-4.9=3.9(309)x+0.5=2.6(310)(1.8x+1.4)÷2=4.3(311)18x÷3=24(312)63+x=157(313)5x+3.8=17.8(314)16.1+78x=31.7(315)4x=2.4(316)16x+11×1.4=21.8(317)4(3.4x-8.7)=46.8(318)3x-36×0.2=1.2(319)0.8x+0.6x=99.4(320)26x-50=54(321)7.7-x=5.9(322)48x+71x-2.7=104.4(323)6.6-x=4.8(324)3x=120(325)176÷x=2(326)(8x+9)÷10=8.9(327)1.4x=11.2(328)17.2-19x=3.9(329)x÷53=3(330)15x+9x-0.3=153.3(331)x+6.4=8.5(332)90+x=143(333)2(3x-47)=32(334)6x=18.6(335)10x+2.5=9.5(336)0.6x-0.3×7=12.9(337)2(0.2x+9.8)=33.6(338)8x=8(339)36x-13x+0.5=21.2(340)15x+2×95=310(341)25x+2×59=168(342)20x-12x-3.9=23.3(343)57x-25=146(344)76-5x=66(345)20x+4x+1.8=37.8(346)3.8+x=5.9(347)2.4x-3.9×3=2.7(348)13x=16.9(349)x+0.4=9.9(350)2x+6x+15=247(351)x+0.4=1.6(352)x÷28=0.7(353)36-4x=24(354)7.4+0.5x=14.9(355)0.8x-0.2×38=1.2(356)(1.6x+8.6)÷2=10.7(357)19.8-16x=10.2(358)11(0.3x+0.2)=15.4(359)x-55=35(360)18x+15x+3.9=43.5(361)12.4+3x=31.3(362)10.6-2.6x=5.4(363)x÷90=2(364)7(6x-26)=196(365)0.4x÷7=2(366)132+64x=260(367)19.1-5x=18.1(368)3.8x÷19=0.4(369)2.2x+0.4×16=24(370)2x÷10=9(371)117-8x=77(372)x-4.8=2.6(373)11x+8x-24=261(374)29x-3×1.5=1.3(375)0.2x+2.5=15.7(376)9.9x-6x-4.1=31(377)x+1.9=2.1(378)0.9x+1.9x-4.1=88.3(379)6x-3x-2=25(380)1.3x+0.3×46=33.3(381)16x-12x+7=43(382)8.6x+9.2x=71.2(383)2x+9×15=161(384)28x-21x+1.7=15.7(385)2.9x-3.2×4=4.6(386)11.2-1x=9.2(387)27x-26=109(388)5.6x+0.8x+3=105.4(389)9.3+2x=20.1(390)44x-3x-1.8=39.2(391)7x-3x=92(392)16x÷64=0.3(393)10.1+8x=13.3(394)9.1x-6.7x+3.5=17.9(395)8(2.9x-9.4)=40.8(396)46x+16x-1.7=16.9(397)7.6-x=6.7(398)1.4+1.4x=18.2(399)4x-7×5=141(400)2(12x+20)=160(401)6x+2x+35=147(402)13.4-5x=9.4(403)3(0.2x+1.5)=21.9(404)48x-20x-3.1=47.3(405)4.9x-4.2x-4.4=4(406)7(1.5x-8)=49(407)11(11x-34)=110(408)2.1x+6.6x-2.1=84.9(409)56x=11.2(410)(6x-18)÷2=75(411)x-2.8=4.5(412)x-87=10(413)32+3x=44(414)13x+24×2=113(415)3x+12x=120(416)6x-4.8=10.8(417)(8.1x-3.6)÷18=1.6(418)1.8x-0.6×21=7.2(419)56x-36x+2.9=26.9(420)6x+17x-7=177(421)2x÷7=1.8(422)18.3-6.8x=4.7(423)18x÷9=2(424)x-1.9=5.7(425)94-x=58(426)3.2x-2.3x-1.6=10.1(427)6.9-x=4.5(428)61x-20x+2.6=68.2(429)0.6x+9.8x+4.5=77.3(430)x-5.7=2.3(431)2x+11=167(432)6.8+4x=16(433)10x-60×2=50(434)4x+18×0.6=16.4(435)x-7=1.2(436)(x-4)÷10=1.3(437)70÷x=7(438)4.3x-1.8x+3=35.5(439)0.2x-5.2=14.6(440)x÷14=0.2(441)(4.6x+3.2)÷11=2.8(442)4+x=18(443)29x+48×0.4=27.9(444)6x-2x=80(445)(7x+8)÷2=14.5(446)4.7x-1.5x=35.2(447)2.1x=8.4(448)x+67=108(449)9x÷18=8(450)5(1.5x+0.2)=16(451)6.5x-3.6=9.4(452)6.3x-4.8x+4.9=12.4(453)37x+5.7=20.5(454)180-2x=36(455)9(8x-37)=99(456)94+2x=284(457)18x=12.6(458)0.6x+2.6×5=31.6(459)x÷3=23(460)x÷20=0.2(461)10x-2x+5=61(462)5(x+8)=155(463)22x-10×0.5=6(464)17x+37x+3.5=30.5(465)7(2x-49)=91(466)10x+4=18(467)2.3x-0.4x=13.3(468)60x÷10=12(469)14x-12x+0.6=8.6(470)2.1+0.3x=15(471)1x÷15=0.8(472)x+6.8=11.9(473)6.5+x=14.3(474)(4x-38)÷13=2(475)17x-14x=33(476)4.9x-2.6x-2.1=30.1(477)1.6x÷32=0.5(478)19x-13x=42(479)3x=183(480)11x-3x+37=141(481)8.9x-7.5x+3.1=7.3(482)42x÷6=1.4(483)(7x-10)÷43=4(484)3.6x-3.1x+4.1=5.6(485)0.3x-2.8=1.1(486)44x-4.5=8.7(487)5x-2×45=45(488)17x-10x+5=33(489)(3.7x+8.1)÷31=0.5(490)4x-44=60(491)17x+9x=104(492)(13x-43)÷46=5(493)17.5-2x=9.1(494)6.8+9x=23(495)0.2x=2.8(496)10x+5x-23=232(497)7.6x-2.7x+3.5=32.9(498)0.6x+0.3x=20.7(499)7x-6×13=62(500)10-0.3x=3.4(501)14.4-2.5x=9.4(502)x÷4=15(503)x+89=154(504)66÷x=11(505)100x+34=234(506)8x+9x+14=184(507)(1.3x-9.5)÷21=0.6(508)1.2x=15.6(509)(11x-11)÷33=4(510)2x=10(511)174-20x=14(512)19.6-55x=3.1(513)x÷99=2(514)(3.8x-7.8)÷18=0.2(515)156÷x=13(516)9(x-7)=153(517)(3x+33)÷8=15(518)8x=80(519)22x-18×8=32(520)0.4x+5.6=17.6(521)6x=4.2(522)0.5x=20(523)17.8-46x=4(524)x+7=68(525)7.1x-2.9x=58.8(526)0.4x÷20=0.7(527)151+6x=325(528)3x+22=112(529)14x-10x=28(530)3.4+x=6.9(531)9x-4x-33=32(532)18x-8x=50(533)(8x+36)÷18=14(534)6.3-x=4.2(535)6x+17x-37=124(536)2.6x+5.4x=56(537)91+x=146(538)43x-1.4=11.5(539)42x÷7=12(540)14.6+6x=22.4參考答案(1)x=2(2)x=20(3)x=5(4)x=12(5)x=86(6)x=1.5(7)x=0.4(8)x=15(9)x=59(10)x=4(11)x=2.3(12)x=4(13)x=36(14)x=14(15)x=3(16)x=24(17)x=8.5(18)x=2(19)x=38(20)x=5(21)x=3.6(22)x=3(23)x=4.8(24)x=0.2(25)x=5(26)x=5(27)x=3.9(28)x=16(29)x=14(30)x=2(31)x=16(32)x=0.4(33)x=89(34)x=3.7(35)x=7.5(36)x=6(37)x=20(38)x=1.2(39)x=27(40)x=2.3(41)x=72(42)x=95(43)x=18(44)x=18(45)x=42(46)x=0.6(47)x=38(48)x=12(49)x=14(50)x=7(51)x=3(52)x=5(53)x=13(54)x=8(55)x=89(56)x=3(57)x=8.6(58)x=2(59)x=3(60)x=19(61)x=13(62)x=7(63)x=12(64)x=4(65)x=3.1(66)x=12(67)x=11(68)x=1.1(69)x=4(70)x=18(71)x=2(72)x=40(73)x=97(74)x=2(75)x=33(76)x=38(77)x=0.6(78)x=15(79)x=0.4(80)x=6(81)x=0.5(82)x=22(83)x=0.4(84)x=5(85)x=9(86)x=14(87)x=2(88)x=4(89)x=8(90)x=2(91)x=34(92)x=36(93)x=5(94)x=6(95)x=34(96)x=7(97)x=7(98)x=7(99)x=12(100)x=7.4(101)x=29(102)x=1.3(103)x=0.6(104)x=3.1(105)x=48(106)x=1.9(107)x=6.2(108)x=8(109)x=1.6(110)x=2(111)x=3(112)x=5.5(113)x=1(114)x=5(115)x=3(116)x=0.2(117)x=9(118)x=1.7(119)x=5(120)x=6(121)x=9(122)x=71(123)x=58(124)x=4(125)x=29(126)x=27(127)x=19(128)x=10(129)x=7(130)x=11(131)x=0.3(132)x=22(133)x=5(134)x=2(135)x=86(136)x=52(137)x=5.7(138)x=3(139)x=0.6(140)x=27(141)x=2(142)x=0.3(143)x=8(144)x=83(145)x=3(146)x=5(147)x=0.9(148)x=19(149)x=7(150)x=14(151)x=0.9(152)x=1.4(153)x=15(154)x=10(155)x=38(156)x=2(157)x=4.5(158)x=14(159)x=5.6(160)x=34(161)x=47(162)x=3(163)x=14(164)x=6.4(165)x=6(166)x=4(167)x=4(168)x=8(169)x=7(170)x=10(171)x=0.3(172)x=12(173)x=3(174)x=7.9(175)x=2(176)x=4(177)x=188(178)x=0.3(179)x=2.9(180)x=8(181)x=29(182)x=29(183)x=16(184)x=4(185)x=2(186)x=46(187)x=19(188)x=4(189)x=63(190)x=5(191)x=3(192)x=4(193)x=44(194)x=0.2(195)x=72(196)x=5(197)x=18(198)x=4(199)x=7.3(200)x=53(201)x=27(202)x=18(203)x=6(204)x=29(205)x=16(206)x=7(207)x=5(208)x=0.8(209)x=6(210)x=0.4(211)x=12(212)x=2(213)x=5(214)x=1.9(215)x=5(216)x=1.9(217)x=15(218)x=16(219)x=11(220)x=20(221)x=0.5(222)x=1.4(223)x=0.3(224)x=0.3(225)x=0.5(226)x=3(227)x=2.3(228)x=9(229)x=22(230)x=9.9(231)x=82(232)x=65(233)x=0.7(234)x=10(235)x=5(236)x=20(237)x=2(238)x=2(239)x=14(240)x=31(241)x=13(242)x=53(243)x=24(244)x=0.4(245)x=25(246)x=2(247)x=12(248)x=8(249)x=46(250)x=3(251)x=26(252)x=4(253)x=2(254)x=6(255)x=17(256)x=78(257)x=47(258)x=3.6(259)x=15(260)x=10(261)x=7.3(262)x=13(263)x=16.4(264)x=5(265)x=28(266)x=4.5(267)x=4(268)x=47(269)x=4(270)x=10(271)x=15(272)x=5(273)x=0.3(274)x=7(275)x=23(276)x=17(277)x=4.9(278)x=6(279)x=195(280)x=6(281)x=18(282)x=0.4(283)x=24(284)x=5(285)x=3.8(286)x=64(287)x=90(288)x=1.5(289)x=0.3(290)x=50(291)x=20(292)x=48(293)x=10(294)x=1.5(295)x=6(296)x=1.4(297)x=1.3(298)x=3(299)x=13.4(300)x=3(301)x=1(302)x=28(303)x=19(304)x=3(305)x=16(306)x=3(307)x=0.3(308)x=11(309)x=2.1(310)x=4(311)x=4(312)x=94(313)x=2.8(314)x=0.2(315)x=0.6(316)x=0.4(317)x=6(318)x=2.8(319)x=71(320)x=4(321)x=1.8(322)x=0.9(323)x=1.8(324)x=40(325)x=88(326)x=10(327)x=8(328)x=0.7(329)x=159(330)x=6.4(331)x=2.1(332)x=53(333)x=21(334)x=3.1(335)x=0.7(336)x=25(337)x=35(338)x=1(339)x=0.9(340)x=8(341)x=2(342)x=3.4(343)x=3(344)x=2(345)x=1.5(346)x=2.1(347)x=6(348)x=1.3(349)x=9.5(350)x=29(351)x=1.2(352)x=19.6(353)x=3(354)x=15(355)x=11(356)x=8(357)x=0.6(358)x=4(359)x=90(360)x=1.2(361)x=6.3(362)x=2(363)x=180(364)x=9(365)x=35(366)x=2(367)x=0.2(368)x=2(369)x=8(370)x=45(371)x=5(372)x=7.4(373)x=15(374)x=0.2(375)x=66(376)x=9(377)x=0.2(378)x=33(379)x=9(380)x=15(381)x=9(382)x=4(383)x=13(384)x=2(385)x=6(386)x=2(387)x=5(388)x=16(389)x=5.4(390)x=1(391)x=23(392)x=1.2(393)x=0.4(3