五年級數(shù)學(方程)專項練習題及答案

五年級數(shù)學(方程)專項練習題及答案(1)x+41=112(2)x+40=90(3)x+97=162(4)x+41=46(5)x+27=107(6)x+91=118(7)x+92=139(8)x+21=57(9)x+18=25(10)x-13=49(11)x-52=28(12)x-12=35(13)x-59=22(14)x-29=69(15)x-12=50(16)x-44=34(17)x-20=16(18)x-6=80(19)x+7.2=11.3(20)x+2.3=11.3(21)x+2.3=7.4(22)x+8.4=11(23)x+1.2=5.6(24)x+6.4=8.9(25)x+5.5=14.2(26)x+3.9=9.6(27)x+7.7=8.8(28)x-1.7=5(29)x-1.1=8.1(30)x-3.8=4.8(31)x-2.5=2.8(32)x-1.3=4.4(33)x-1.4=7(34)x-4.3=4(35)x-1.2=3.1(36)x-5.3=3.3(37)92+x=131(38)27+x=124(39)25+x=84(40)80+x=150(41)45+x=108(42)55+x=115(43)9+x=102(44)79+x=175(45)18+x=115(46)93-x=45(47)26-x=16(48)52-x=45(49)78-x=34(50)68-x=22(51)92-x=84(52)89-x=39(53)92-x=67(54)54-x=27(55)0.7+x=5(56)8+x=10.9(57)1.6+x=10.9(58)9.4+x=13(59)8.8+x=14.3(60)9.7+x=17.1(61)9.8+x=13.3(62)3.4+x=4.4(63)0.6+x=5.9(64)7-x=5.6(65)4.8-x=2(66)4-x=1.9(67)5.3-x=2.1(68)4.9-x=1.7(69)8.1-x=2.6(70)6.4-x=3.4(71)6-x=1.5(72)9-x=7(73)44x=88(74)51x=102(75)2x=110(76)2x=132(77)26x=78(78)57x=114(79)19x=190(80)4x=44(81)38x=152(82)1x=2(83)0.4x=19.2(84)3.5x=10.5(85)0.9x=5.4(86)0.2x=18.8(87)1.2x=19.2(88)3.6x=7.2(89)0.7x=2.8(90)2.3x=16.1(91)4x=18(92)9x=18.9(93)3x=15.3(94)16x=8(95)11x=18.7(96)60x=12(97)2x=7.2(98)20x=10(99)2x=6.6(100)42÷x=6(101)180÷x=3(102)100÷x=20(103)182÷x=14(104)150÷x=30(105)144÷x=8(106)42÷x=2(107)140÷x=10(108)22÷x=11(109)3.6÷x=0.9(110)18.9÷x=0.9(111)17.6÷x=0.4(112)12.6÷x=0.3(113)8.1÷x=0.3(114)4÷x=0.4(115)6.6÷x=0.2(116)18.4÷x=0.2(117)14÷x=2(118)x÷8=6(119)x÷26=4(120)x÷21=3(121)x÷8=22(122)x÷21=5(123)x÷3=41(124)x÷4=13(125)x÷11=15(126)x÷25=7(127)x÷6=1.8(128)x÷8=0.5(129)x÷12=0.8(130)x÷25=0.7(131)x÷8=0.2(132)x÷2=2.5(133)x÷3=1.9(134)x÷6=0.4(135)x÷16=1(136)9x+40=211(137)5x+10=90(138)4x+33=117(139)7x+10=38(140)10x+42=112(141)22x+52=96(142)2x+55=81(143)13x+51=103(144)10x+14=124(145)4x-40=136(146)10x-10=110(147)3x-53=112(148)4x-27=137(149)17x-41=27(150)14x-44=124(151)5x-26=164(152)83x-29=137(153)8x-51=13(154)36x+1.3=8.5(155)4x+1=4.2(156)96x+4.8=24(157)96x+5.6=24.8(158)13x+5.9=22.8(159)4x+4.2=6.2(160)2x+5.5=22.5(161)16x+2.4=18.4(162)3x+2.5=15.1(163)7.1x+5.8=20(164)0.2x+5.4=6.4(165)1.5x+1.2=5.7(166)0.6x+1.9=12.7(167)2.4x+4=8.8(168)8.9x+1.9=19.7(169)0.6x+4.5=8.1(170)4.1x+3.8=16.1(171)1.4x+4.5=19.9(172)2x-4.5=8.9(173)2x-2.7=14.5(174)19x-4.3=10.9(175)24x-1.6=3.2(176)2x-1.2=9.2(177)3x-1=14.6(178)3x-5.2=13.1(179)2x-2.7=16.9(180)2x-5.5=13.3(181)0.5x-4.7=9.3(182)7.3x-3.3=11.3(183)2.5x-3.1=16.9(184)8.8x-1.5=16.1(185)0.9x-5.6=5.2(186)2.2x-1.9=9.1(187)7.2x-5.6=8.8(188)0.5x-4.2=1.3(189)0.3x-2.8=15.2(190)138+4x=210(191)44+22x=176(192)98+2x=264(193)59+5x=179(194)61+2x=163(195)99+17x=150(196)198+22x=374(197)44+25x=219(198)141+18x=249(199)185-2x=27(200)106-8x=26(201)194-8x=178(202)190-5x=25(203)106-5x=76(204)77-3x=47(205)53-12x=29(206)184-23x=23(207)157-2x=13(208)18.9+2.2x=23.3(209)9.9+0.2x=21.3(210)15.2+0.6x=31.4(211)5.8+0.2x=15.4(212)19.2+0.7x=32.5(213)13.3+1.3x=21.1(214)10.3+0.6x=16.9(215)17+2.2x=32.4(216)16.5+0.2x=30.5(217)8.7+3x=26.7(218)2.1+4x=3.3(219)3.4+2x=15.6(220)5.3+9x=19.7(221)18.8+9x=26(222)1.4+3x=3.5(223)2.7+7x=6.9(224)13.1+94x=31.9(225)4.8+65x=17.8(226)13.5-1.4x=2.3(227)15.9-0.6x=14.7(228)18.6-0.6x=1.8(229)12.9-1.4x=3.1(230)14.4-0.8x=8.8(231)19.6-0.2x=13.2(232)19.3-2.4x=7.3(233)12.3-0.8x=9.1(234)16.4-0.8x=4.4(235)12.6-3x=4.8(236)19.7-2x=3.1(237)17.8-16x=1.8(238)19.8-4x=17(239)17.1-3x=5.7(240)18.3-3x=6(241)18-2x=13.4(242)16.1-2x=4.1(243)18.6-6x=10.2(244)2x÷4=34(245)4x÷32=6(246)6x÷12=12(247)48x÷16=6(248)80x÷8=20(249)21x÷3=14(250)45x÷18=10(251)45x÷30=6(252)5x÷10=13(253)0.6x÷12=1.4(254)8.4x÷28=0.6(255)1.5x÷2=3(256)0.6x÷2=3.6(257)0.4x÷48=0.2(258)0.3x÷7=2.1(259)0.2x÷6=3.1(260)0.4x÷12=0.2(261)1.8x÷6=0.6(262)7x÷14=0.5(263)2x÷12=1(264)6x÷8=0.3(265)40x÷15=0.8(266)5x÷2=3.5(267)2x÷4=2.2(268)20x÷5=3.6(269)70x÷35=0.4(270)6x÷8=1.5(271)2x+6x=120(272)4x+6x=210(273)12x+2x=56(274)14x+4x=54(275)16x+8x=120(276)6x+3x=45(277)9x+3x=216(278)3x+6x=216(279)10x+3x=182(280)15x-5x=30(281)9x-5x=16(282)7x-2x=30(283)13x-4x=108(284)16x-2x=42(285)14x-4x=60(286)14x-10x=48(287)8x-5x=27(288)15x-9x=42(289)7.7x+2.6x=20.6(290)2.7x+5.7x=92.4(291)8x+6.3x=85.8(292)2.8x+2.1x=127.4(293)2.9x+1.3x=75.6(294)1.3x+4x=63.6(295)9.3x+7x=130.4(296)2.6x+0.4x=54(297)3.6x+1.5x=112.2(298)8.3x-1.6x=26.8(299)6x-5.4x=5.4(300)1.9x-1x=19.8(301)8.3x-2x=63(302)6.9x-0.6x=25.2(303)8.6x-2.2x=44.8(304)1.5x-1.3x=1.2(305)2.4x-0.5x=49.4(306)3.2x-1.2x=54(307)15x+13x+43=183(308)9x+13x+38=368(309)15x+17x+6=166(310)2x+19x+43=106(311)16x+2x+4=58(312)5x+18x+46=184(313)10x+7x+20=258(314)8x+16x+41=209(315)11x+17x+46=242(316)4x+14x-40=68(317)2x+10x-39=69(318)2x+10x-34=14(319)10x+2x-14=118(320)18x+13x-28=127(321)12x+3x-18=42(322)6x+11x-23=113(323)2x+12x-34=92(324)5x+4x-47=34(325)5x-3x+18=74(326)4x-2x+16=28(327)4x-2x+7=59(328)17x-5x+25=121(329)6x-4x+41=77(330)18x-2x+7=183(331)17x-12x+46=86(332)12x-5x+19=117(333)13x-5x+44=116(334)7x-4x-13=14(335)8x-2x-28=38(336)15x-4x-4=51(337)19x-6x-29=10(338)18x-13x-24=31(339)11x-8x-8=13(340)7x-4x-45=33(341)14x-9x-15=45(342)14x-2x-36=36(343)1.5x+4.5x+1=133(344)8.2x+6.6x+3.1=62.3(345)1.6x+2.6x+2.2=73.6(346)9.4x+5.7x+1.6=46.9(347)7.2x+4.6x+3.3=121.3(348)5.9x+5.3x+2.2=181.4(349)1.7x+6.1x+3.1=88.9(350)7.2x+3.8x+4.7=114.7(351)5.1x+5.8x+0.6=120.5(352)3x+2x+2.6=10.1(353)23x+2x+4.4=84.4(354)16x+10x+1.2=24.6(355)56x+98x+4.7=158.7(356)10x+14x+4.3=126.7(357)29x+51x+4.3=156.3(358)40x+49x+1.1=134.6(359)6x+97x+4.5=35.4(360)24x+14x+0.9=141.5(361)9.7x+3.4x-2.5=63(362)1.7x+0.2x-1.4=65.1(363)0.9x+4.4x-3.7=33.4(364)4.4x+2.7x-1.9=147.2(365)6.2x+9.1x-2.8=119.6(366)0.5x+2.6x-3=65.2(367)6x+6.7x-3.9=123.1(368)0.2x+6.8x-1.7=61.3(369)2.9x+1x-4.6=18.8(370)24x+12x-0.6=64.2(371)17x+59x-2.1=81.5(372)31x+26x-3.5=7.9(373)46x+44x-1.7=43.3(374)95x+50x-3.8=141.2(375)30x+75x-1.4=61.6(376)39x+10x-4.3=39.8(377)41x+7x-4.6=72.2(378)40x+16x-3=103.4(379)9.1x-4.5x+4=50(380)2.3x-1.1x+2.6=9.8(381)1.6x-0.9x+1.5=43.5(382)6.8x-2x+1.4=39.8(383)8.4x-4.9x+0.2=10.7(384)9.7x-8.6x+0.2=9(385)3.2x-0.5x+4.9=83.2(386)8.8x-5.7x+3.2=24.9(387)5.5x-1.2x+0.9=69.7(388)62x-60x+2.2=3.8(389)90x-49x+3.6=24.1(390)65x-39x+4.7=22.9(391)15x-11x+4.2=20.2(392)79x-40x+3.7=31(393)14x-5x+1.8=13.5(394)20x-9x+4=22.7(395)18x-8x+0.4=25.4(396)42x-24x+3=21(397)6.6x-0.2x-0.2=44.6(398)6.6x-4.5x-3.6=23.7(399)5.6x-0.3x-3.3=65.6(400)8.6x-7x-3=11.4(401)5.1x-2.8x-2.4=11.4(402)2.1x-0.9x-2.5=11.9(403)5.1x-3.4x-2.3=19.8(404)3.3x-0.2x-3.2=83.6(405)6.5x-1.4x-2.4=74.1(406)81x-2x-0.3=94.5(407)37x-20x-2.7=9.2(408)5x-3x-0.8=11.2(409)25x-11x-4=14.2(410)92x-42x-3.7=6.3(411)87x-27x-4.4=19.6(412)21x-9x-4.5=7.5(413)26x-13x-4.8=14.7(414)72x-21x-3.9=57.3(415)17x+25×2=203(416)2x+44×4=190(417)9x+3×16=120(418)8x+66×3=326(419)28x+24×7=252(420)5x+4×38=252(421)4x+2×7=90(422)2x+10×7=246(423)2x+2×13=54(424)9x-13×5=25(425)2x-3×5=53(426)21x-2×40=88(427)4x-6×10=92(428)26x-26×4=78(429)18x-21×2=30(430)11x-57×2=29(431)16x-2×22=100(432)21x-7×12=63(433)1.2x+0.8×23=35.2(434)0.4x+0.8×13=28.4(435)1x+4×2=17(436)4.2x+1.8×2=20.4(437)1.8x+0.3×18=19.8(438)0.4x+3×3=15.4(439)2.1x+3.6×4=31.2(440)3.6x+1.4×6=26.4(441)0.8x+0.4×17=26.8(442)9x+2×2.5=19.4(443)4x+30×0.6=25.2(444)19x+25×0.2=14.5(445)12x+2×0.4=6.8(446)4x+9×0.8=20.4(447)28x+2×1.5=19.8(448)14x+13×0.2=13.8(449)3x+6×1.2=16.8(450)9x+2×1.5=21.9(451)0.4x-3.1×3=5.5(452)1.5x-1.2×8=6.9(453)0.5x-0.4×15=8(454)0.7x-3.7×3=6.4(455)0.4x-1.1×13=4.5(456)0.2x-1.5×3=1.5(457)1.3x-0.3×11=12.3(458)2x-0.7×6=15.8(459)0.8x-1.9×7=5.1(460)15x-5×0.8=3.5(461)33x-7×0.4=7.1(462)24x-2×4.7=9.8(463)44x-18×0.4=10.4(464)13x-3×0.7=4.4(465)11x-5×3.2=3.8(466)19x-3×2.3=10.2(467)17x-5×0.3=10.4(468)18x-24×0.6=1.8(469)2(x+46)=160(470)2(17x+13)=94(471)7(2x+5)=133(472)2(2x+29)=138(473)3(2x+19)=81(474)2(3x+41)=184(475)2(x+39)=152(476)2(x+2)=34(477)7(x+7)=91(478)4(13x-15)=96(479)12(3x-40)=168(480)4(3x-29)=52(481)3(29x-39)=57(482)8(2x-26)=192(483)4(8x-3)=84(484)4(7x-48)=200(485)2(8x-6)=164(486)6(9x-43)=66(487)2(4x+1.5)=35(488)3(0.3x+6.3)=37.8(489)2(1.5x+7.2)=29.4(490)2(0.9x+1.9)=9.2(491)2(0.6x+3.6)=49.2(492)6(2.1x+2)=37.2(493)2(2.3x+6.2)=26.2(494)3(0.4x+5.9)=44.1(495)5(0.3x+3.5)=41.5(496)8(4.3x-2.9)=45.6(497)12(2.2x-0.8)=43.2(498)4(3.5x-5)=50(499)5(0.7x-4.4)=20(500)5(2.2x-6.5)=44.5(501)2(0.2x-0.3)=3.4(502)16(4x-5.1)=46.4(503)9(6.1x-8.9)=29.7(504)17(0.5x-6.5)=17(505)(11x+6)÷2=47(506)(8x+25)÷3=35(507)(8x+36)÷2=58(508)(8x+28)÷4=47(509)(2x+22)÷14=4(510)(6x+20)÷4=20(511)(13x+8)÷21=14(512)(12x+48)÷30=8(513)(16x+11)÷17=11(514)(4x-32)÷24=2(515)(13x-21)÷8=25(516)(16x-16)÷24=6(517)(2x-32)÷26=1(518)(5x-4)÷7=18(519)(13x-25)÷20=2(520)(10x-40)÷4=40(521)(13x-44)÷36=6(522)(6x-34)÷8=13(523)(4.1x+8.4)÷23=0.9(524)(2.5x+1.9)÷37=1.2(525)(5.4x+7.2)÷28=1.8(526)(3x+6)÷15=1.4(527)(1.5x+2.6)÷8=0.7(528)(3.7x+0.9)÷21=1.1(529)(3.7x+2.5)÷14=1.5(530)(4.1x+3.1)÷26=2.8(531)(3.5x+3)÷23=1.5(532)(8.5x-8.2)÷6=4.3(533)(4.3x-5.6)÷32=0.9(534)(6x-3.6)÷2=37.2(535)(3x-6.4)÷34=1.4(536)(8.6x-8)÷22=1.2(537)(4.1x-0.7)÷2=14(538)(6.2x-5)÷5=11.4(539)(0.7x-0.3)÷6=1.7(540)(2.5x-3.5)÷23=0.5參考答案(1)x=71(2)x=50(3)x=65(4)x=5(5)x=80(6)x=27(7)x=47(8)x=36(9)x=7(10)x=62(11)x=80(12)x=47(13)x=81(14)x=98(15)x=62(16)x=78(17)x=36(18)x=86(19)x=4.1(20)x=9(21)x=5.1(22)x=2.6(23)x=4.4(24)x=2.5(25)x=8.7(26)x=5.7(27)x=1.1(28)x=6.7(29)x=9.2(30)x=8.6(31)x=5.3(32)x=5.7(33)x=8.4(34)x=8.3(35)x=4.3(36)x=8.6(37)x=39(38)x=97(39)x=59(40)x=70(41)x=63(42)x=60(43)x=93(44)x=96(45)x=97(46)x=48(47)x=10(48)x=7(49)x=44(50)x=46(51)x=8(52)x=50(53)x=25(54)x=27(55)x=4.3(56)x=2.9(57)x=9.3(58)x=3.6(59)x=5.5(60)x=7.4(61)x=3.5(62)x=1(63)x=5.3(64)x=1.4(65)x=2.8(66)x=2.1(67)x=3.2(68)x=3.2(69)x=5.5(70)x=3(71)x=4.5(72)x=2(73)x=2(74)x=2(75)x=55(76)x=66(77)x=3(78)x=2(79)x=10(80)x=11(81)x=4(82)x=2(83)x=48(84)x=3(85)x=6(86)x=94(87)x=16(88)x=2(89)x=4(90)x=7(91)x=4.5(92)x=2.1(93)x=5.1(94)x=0.5(95)x=1.7(96)x=0.2(97)x=3.6(98)x=0.5(99)x=3.3(100)x=7(101)x=60(102)x=5(103)x=13(104)x=5(105)x=18(106)x=21(107)x=14(108)x=2(109)x=4(110)x=21(111)x=44(112)x=42(113)x=27(114)x=10(115)x=33(116)x=92(117)x=7(118)x=48(119)x=104(120)x=63(121)x=176(122)x=105(123)x=123(124)x=52(125)x=165(126)x=175(127)x=10.8(128)x=4(129)x=9.6(130)x=17.5(131)x=1.6(132)x=5(133)x=5.7(134)x=2.4(135)x=16(136)x=19(137)x=16(138)x=21(139)x=4(140)x=7(141)x=2(142)x=13(143)x=4(144)x=11(145)x=44(146)x=12(147)x=55(148)x=41(149)x=4(150)x=12(151)x=38(152)x=2(153)x=8(154)x=0.2(155)x=0.8(156)x=0.2(157)x=0.2(158)x=1.3(159)x=0.5(160)x=8.5(161)x=1(162)x=4.2(163)x=2(164)x=5(165)x=3(166)x=18(167)x=2(168)x=2(169)x=6(170)x=3(171)x=11(172)x=6.7(173)x=8.6(174)x=0.8(175)x=0.2(176)x=5.2(177)x=5.2(178)x=6.1(179)x=9.8(180)x=9.4(181)x=28(182)x=2(183)x=8(184)x=2(185)x=12(186)x=5(187)x=2(188)x=11(189)x=60(190)x=18(191)x=6(192)x=83(193)x=24(194)x=51(195)x=3(196)x=8(197)x=7(198)x=6(199)x=79(200)x=10(201)x=2(202)x=33(203)x=6(204)x=10(205)x=2(206)x=7(207)x=72(208)x=2(209)x=57(210)x=27(211)x=48(212)x=19(213)x=6(214)x=11(215)x=7(216)x=70(217)x=6(218)x=0.3(219)x=6.1(220)x=1.6(221)x=0.8(222)x=0.7(223)x=0.6(224)x=0.2(225)x=0.2(226)x=8(227)x=2(228)x=28(229)x=7(230)x=7(231)x=32(232)x=5(233)x=4(234)x=15(235)x=2.6(236)x=8.3(237)x=1(238)x=0.7(239)x=3.8(240)x=4.1(241)x=2.3(242)x=6(243)x=1.4(244)x=68(245)x=48(246)x=24(247)x=2(248)x=2(249)x=2(250)x=4(251)x=4(252)x=26(253)x=28(254)x=2(255)x=4(256)x=12(257)x=24(258)x=49(259)x=93(260)x=6(261)x=2(262)x=1(263)x=6(264)x=0.4(265)x=0.3(266)x=1.4(267)x=4.4(268)x=0.9(269)x=0.2(270)x=2(271)x=15(272)x=21(273)x=4(274)x=3(275)x=5(276)x=5(277)x=18(278)x=24(279)x=14(280)x=3(281)x=4(282)x=6(283)x=12(284)x=3(285)x=6(286)x=12(287)x=9(288)x=7(289)x=2(290)x=11(291)x=6(292)x=26(293)x=18(294)x=12(295)x=8(296)x=18(297)x=22(298)x=4(299)x=9(300)x=22(301)x=10(302)x=4(303)x=7(304)x=6(305)x=26(306)x=27(307)x=5(308)x=15(309)x=5(310)x=3(311)x=3(312)x=6(313)x=14(314)x=7(315)x=7(316)x=6(317)x=9(318)x=4(319)x=11(320)x=5(321)x=4(322)x=8(323)x=9(324)x=9(325)x=28(326)x=6(327)x=26(328)x=8(329)x=18(330)x=11(331)x=8(332)x=14(333)x=9(334)x=9(335)x=11(336)x=5(337)x=3(338)x=11(339)x=7(340)x=26(341)x=12(342)x=6(343)x=22(344)x=4(345)x=17(346)x=3(347)x=10(348)x=16(349)x=11(350)x=10(351)x=11(352)x=1.5(353)x=3.2(354)x=0.9(355)x=1(356)x=5.1(357)x=1.9(358)x=1.5(359)x=0.3(360)x=3.7(361)x=5(362)x=35(363)x=7(364)x=21(365)x=8(366)x=22(367)x=10(368)x=9(369)x=6(370)x=1.8(371)x=1.1(372)x=0.2(373)x=0.5(374)x=1(375)x=0.6(376)x=0.9(377)x=1.6(378)x=1.9(379)x=10(380)x=6(381)x=60(382)x=8(383)x=3(384)x=8(385)x=29(386)x=7(387)x=16(388)x=0.8(389)x=0.5(390)x=0.7(391)x=4(392)x=0.7(