五年級數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案

五年級數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案(1)x+90=147(2)x+6=23(3)x+31=123(4)x+30=108(5)x+85=139(6)x+31=98(7)x+27=32(8)x+26=116(9)x+91=157(10)x-20=44(11)x-21=43(12)x-22=55(13)x-37=40(14)x-83=14(15)x-50=13(16)x-42=17(17)x-25=66(18)x-73=23(19)x+4.1=12.1(20)x+7.1=12.2(21)x+8.5=14.6(22)x+9.5=15.7(23)x+9.1=16.4(24)x+7.7=12.7(25)x+5.6=10.5(26)x+2.9=7.2(27)x+2.7=8.1(28)x-3.5=4.2(29)x-0.8=4.8(30)x-0.4=2.1(31)x-3=1.9(32)x-5=2.1(33)x-1.4=6.9(34)x-6.1=1.2(35)x-3.5=2.3(36)x-4.8=3.1(37)70+x=117(38)41+x=106(39)6+x=78(40)40+x=52(41)28+x=116(42)28+x=104(43)79+x=121(44)53+x=66(45)54+x=88(46)58-x=39(47)44-x=26(48)98-x=74(49)81-x=52(50)57-x=14(51)85-x=47(52)51-x=48(53)90-x=68(54)97-x=37(55)1.9+x=4.9(56)5.1+x=12.9(57)3.5+x=9.4(58)2.6+x=12.3(59)0.3+x=5.8(60)5.1+x=8.2(61)0.7+x=2.3(62)8.9+x=14.1(63)9.3+x=15.8(64)6.3-x=1.1(65)8.2-x=4.1(66)4.5-x=4(67)4.5-x=2.2(68)9-x=4.4(69)9.8-x=2.9(70)7.6-x=4.6(71)2.3-x=1.9(72)8.7-x=7.2(73)3x=105(74)44x=176(75)10x=160(76)54x=162(77)8x=184(78)8x=40(79)3x=9(80)4x=96(81)42x=84(82)0.6x=7.2(83)7.1x=14.2(84)6.1x=18.3(85)0.5x=13(86)0.8x=15.2(87)0.5x=18.5(88)0.8x=16.8(89)0.2x=14.8(90)2.9x=11.6(91)21x=4.2(92)9x=1.8(93)20x=4(94)4x=4.4(95)2x=10.6(96)18x=7.2(97)3x=1.8(98)3x=7.5(99)3x=8.1(100)84÷x=3(101)152÷x=2(102)18÷x=3(103)132÷x=44(104)100÷x=5(105)110÷x=5(106)96÷x=16(107)116÷x=2(108)112÷x=7(109)6÷x=3(110)6.5÷x=1.3(111)17.2÷x=0.4(112)18.8÷x=0.2(113)16.9÷x=1.3(114)14.5÷x=2.9(115)16.8÷x=1.2(116)17.6÷x=0.4(117)12.6÷x=2.1(118)x÷4=10(119)x÷19=6(120)x÷40=4(121)x÷13=14(122)x÷13=3(123)x÷2=9(124)x÷6=8(125)x÷2=2(126)x÷60=3(127)x÷18=0.4(128)x÷2=2.4(129)x÷2=1.6(130)x÷5=2.3(131)x÷64=0.2(132)x÷12=1.6(133)x÷79=0.2(134)x÷57=0.2(135)x÷65=0.3(136)64x+29=221(137)14x+33=215(138)28x+51=219(139)9x+31=184(140)2x+55=151(141)11x+56=210(142)22x+35=233(143)2x+49=99(144)4x+43=207(145)2x-29=83(146)18x-43=65(147)2x-52=12(148)3x-21=48(149)45x-55=125(150)36x-43=137(151)6x-39=147(152)4x-58=134(153)9x-55=125(154)3x+2.6=12.5(155)2x+1=11(156)2x+3.9=7.9(157)16x+2.4=21.6(158)23x+4.2=22.6(159)4x+5.3=8.5(160)2x+4.7=18.1(161)7x+5.2=17.1(162)3x+1.4=5(163)1.2x+5.9=21.5(164)4.9x+3.9=23.5(165)1.1x+3.7=8.1(166)0.7x+5.6=7.7(167)1.2x+5.7=14.1(168)0.3x+2.7=14.1(169)3.4x+4.9=18.5(170)0.8x+2=6.8(171)3.2x+3.3=16.1(172)2x-1.7=4.3(173)4x-4.8=9.6(174)2x-4.8=9.2(175)6x-3.8=10(176)6x-1.8=1.8(177)40x-2.6=17.4(178)26x-4.2=3.6(179)29x-4.1=7.5(180)8x-3.1=16.1(181)2.2x-2=11.2(182)0.6x-5.4=4.8(183)0.3x-4.3=12.2(184)2.5x-5.1=9.9(185)2.1x-5.9=13(186)0.9x-4.5=1.8(187)0.3x-5.9=2.8(188)0.6x-5.8=10.4(189)0.4x-1.6=7.6(190)83+7x=251(191)114+45x=249(192)180+4x=376(193)147+22x=323(194)136+21x=325(195)43+48x=187(196)113+3x=206(197)80+2x=202(198)22+30x=172(199)79-10x=19(200)142-4x=94(201)179-5x=164(202)145-12x=121(203)190-66x=58(204)186-4x=122(205)167-36x=95(206)166-9x=22(207)57-2x=25(208)16.6+2.5x=26.6(209)4.2+8.6x=21.4(210)3.3+3.5x=13.8(211)12.9+9x=30.9(212)4.3+2.4x=13.9(213)12+2x=24(214)13.3+0.7x=28.7(215)4.4+1x=10.4(216)12.4+1.3x=18.9(217)4.8+11x=8.1(218)17.2+5x=35.7(219)14.3+2x=15.1(220)10.7+14x=19.1(221)8.2+61x=26.5(222)18.5+4x=28.5(223)17.5+21x=23.8(224)9.7+30x=18.7(225)18.5+45x=32(226)18.5-0.5x=3.5(227)7.8-0.5x=3.8(228)16.3-3.4x=2.7(229)14.9-4.9x=5.1(230)14.5-3.6x=7.3(231)14.2-2.6x=6.4(232)11.5-1x=4.5(233)14.6-1.7x=2.7(234)17.9-1.7x=2.6(235)19.1-5x=10.1(236)14.6-3x=9.5(237)17.4-2x=6.4(238)11.2-25x=1.2(239)17.1-24x=9.9(240)11.4-11x=2.6(241)17.3-10x=9.3(242)14-16x=4.4(243)18.4-23x=11.5(244)2x÷4=21(245)2x÷8=21(246)4x÷22=2(247)48x÷24=6(248)4x÷3=24(249)10x÷25=6(250)27x÷21=9(251)6x÷66=3(252)48x÷8=24(253)1x÷15=0.8(254)0.5x÷90=0.2(255)1.2x÷4=0.9(256)0.2x÷6=2.3(257)0.8x÷38=0.4(258)2.1x÷14=0.6(259)0.2x÷13=1(260)4.2x÷9=1.4(261)0.4x÷8=1.6(262)46x÷23=0.6(263)66x÷9=2.2(264)12x÷3=4(265)18x÷48=0.3(266)18x÷4=4.5(267)6x÷14=1.2(268)3x÷4=1.2(269)9x÷3=3.6(270)18x÷4=3.6(271)4x+14x=162(272)4x+12x=256(273)5x+4x=117(274)10x+5x=285(275)9x+10x=133(276)6x+4x=280(277)18x+10x=112(278)7x+6x=338(279)17x+9x=286(280)13x-11x=10(281)8x-3x=80(282)14x-7x=14(283)14x-9x=55(284)18x-9x=54(285)11x-2x=63(286)13x-2x=55(287)18x-7x=22(288)10x-2x=136(289)8.4x+3.5x=119(290)8.4x+8.2x=49.8(291)1.3x+4.4x=85.5(292)0.3x+3x=56.1(293)0.9x+2.6x=70(294)8.9x+9.2x=144.8(295)1.9x+6.9x=96.8(296)8x+4.7x=127(297)5.2x+2.3x=22.5(298)3.2x-2.9x=6.6(299)5.5x-3.4x=25.2(300)7.5x-1.7x=11.6(301)3.9x-1.1x=5.6(302)3.6x-0.3x=75.9(303)6.8x-4.7x=21(304)4.1x-1.2x=69.6(305)9.6x-7.1x=25(306)8.9x-7.6x=10.4(307)19x+10x+26=171(308)18x+9x+34=88(309)3x+8x+22=187(310)15x+9x+11=323(311)4x+16x+8=168(312)11x+12x+48=186(313)10x+18x+18=102(314)4x+3x+11=151(315)7x+4x+33=154(316)7x+9x-47=177(317)13x+11x-3=117(318)5x+13x-14=256(319)19x+3x-13=119(320)2x+7x-24=219(321)9x+10x-21=112(322)12x+14x-22=186(323)4x+9x-45=124(324)7x+5x-16=296(325)10x-4x+18=66(326)10x-3x+4=144(327)18x-15x+3=24(328)10x-7x+47=62(329)12x-9x+32=65(330)5x-3x+22=36(331)11x-3x+20=132(332)12x-8x+3=55(333)17x-10x+30=79(334)8x-5x-48=15(335)15x-3x-44=28(336)18x-4x-38=32(337)10x-5x-33=22(338)12x-2x-10=130(339)9x-4x-44=11(340)5x-2x-30=75(341)14x-4x-3=17(342)16x-5x-6=93(343)5.4x+1.8x+1.9=59.5(344)0.2x+0.7x+1=54.1(345)8.7x+5.5x+2.2=44.8(346)3.1x+9.7x+2.2=79(347)8.8x+9.8x+4.5=134.7(348)6x+6.2x+0.4=159(349)9.8x+7.3x+4.5=107.1(350)6.1x+8x+3=172.2(351)8.2x+0.9x+3.7=58.3(352)87x+21x+3.9=79.5(353)59x+75x+3.6=97.4(354)63x+22x+3.5=105.5(355)4x+17x+2.9=103.7(356)89x+78x+2=35.4(357)54x+62x+0.8=140(358)55x+74x+1.2=143.1(359)11x+94x+1.1=95.6(360)35x+15x+0.7=100.7(361)2.9x+0.4x-1.2=78(362)7.4x+8.3x-0.9=77.6(363)4.5x+4.3x-1.7=15.9(364)1.6x+1.8x-0.2=88.2(365)0.7x+9.5x-1.6=49.4(366)0.2x+0.5x-1.5=21.6(367)9.2x+5.2x-4.2=39(368)1.2x+4.3x-0.4=54.6(369)5.3x+7.2x-1.9=110.6(370)85x+89x-2.5=171.5(371)10x+12x-1.6=130.4(372)15x+65x-4.5=51.5(373)11x+86x-0.6=18.8(374)25x+66x-0.6=17.6(375)22x+56x-0.3=77.7(376)16x+10x-3.6=157.6(377)40x+9x-2=47(378)14x+24x-1.3=6.3(379)4.2x-3.1x+3.5=22.2(380)4.9x-3.3x+1.1=23.5(381)6.3x-5.4x+4.8=10.2(382)8.8x-0.6x+3.1=44.1(383)6.1x-0.8x+2.1=18(384)2.6x-1.1x+4.5=60(385)4x-0.4x+1=8.2(386)6.5x-1.1x+0.6=76.2(387)6.3x-3.1x+1.3=23.7(388)76x-17x+2.7=73.5(389)65x-62x+4.7=7.4(390)23x-2x+2.7=42.6(391)70x-27x+3.4=37.8(392)45x-12x+0.5=7.1(393)89x-42x+0.8=47.8(394)93x-3x+3.4=84.4(395)87x-69x+1.9=18.1(396)45x-13x+2.5=21.7(397)6.6x-0.4x-1.5=60.5(398)8.8x-2.9x-3.5=55.5(399)3.4x-0.4x-4.1=79.9(400)8.8x-2.3x-1.6=56.9(401)8x-7.3x-2.3=4(402)8.2x-2.8x-3=18.6(403)7.3x-1.1x-1.3=42.1(404)1.3x-0.2x-4=63.1(405)8.1x-1.1x-3.4=24.6(406)92x-28x-4.5=53.1(407)58x-55x-2.6=2.2(408)10x-7x-0.5=1(409)62x-42x-3.6=14.4(410)27x-11x-4.6=41.8(411)55x-24x-2.1=32(412)95x-36x-0.7=40.6(413)15x-12x-3.6=10.5(414)54x-25x-2.5=43.9(415)4x+7×25=315(416)9x+66×3=378(417)4x+52×2=248(418)20x+5×40=360(419)13x+44×2=283(420)3x+6×12=222(421)21x+10×15=318(422)8x+18×10=340(423)7x+2×99=394(424)5x-8×2=19(425)16x-13×14=10(426)8x-6×20=32(427)2x-4×30=34(428)5x-61×2=48(429)4x-25×6=30(430)3x-8×11=47(431)5x-6×4=131(432)3x-17×5=47(433)2.1x+0.4×14=9.8(434)0.2x+0.3×33=18.1(435)4.4x+1.9×2=12.6(436)2.7x+1.1×5=10.9(437)1.6x+0.8×10=16(438)0.3x+0.8×5=8.5(439)3.1x+1.7×9=24.6(440)2.8x+3.1×5=23.9(441)0.6x+0.2×39=24.6(442)13x+2×0.3=7.1(443)20x+15×0.5=13.5(444)29x+7×0.3=19.5(445)8x+5×0.8=16(446)10x+13×0.8=15.4(447)4x+16×1.1=25.6(448)5x+38×0.4=18.7(449)7x+3×2=25.6(450)7x+4×2.2=22.8(451)4.7x-0.4×19=11.2(452)0.5x-3.1×2=12.8(453)4.7x-1.5×3=14.3(454)2.8x-0.6×3=9.4(455)4.9x-4.2×2=1.4(456)0.7x-0.5×24=2(457)1.8x-4.1×3=2.1(458)0.5x-0.7×10=4.5(459)0.2x-0.2×37=1.4(460)2x-6×0.8=3.6(461)2x-7×0.3=1.5(462)34x-2×1.8=6.6(463)3x-14×0.4=7(464)30x-12×0.8=5.4(465)5x-5×1=8.5(466)34x-32×0.3=7.4(467)9x-3×4.5=2.7(468)6x-4×2.1=4.2(469)2(2x+48)=196(470)2(10x+8)=136(471)3(8x+29)=159(472)2(2x+35)=150(473)3(3x+24)=153(474)2(13x+42)=162(475)5(3x+12)=90(476)2(4x+42)=196(477)4(3x+19)=160(478)11(2x-12)=176(479)7(x-5)=70(480)2(10x-43)=34(481)3(3x-37)=132(482)4(10x-28)=128(483)5(x-16)=70(484)2(4x-7)=138(485)9(x-4)=171(486)3(15x-12)=189(487)2(9.2x+5.7)=48.2(488)4(0.4x+3.3)=48.4(489)4(4.1x+0.3)=34(490)3(1.2x+2.3)=21.3(491)2(0.4x+8.2)=36.4(492)2(1.7x+1)=22.4(493)3(0.2x+7.4)=26.4(494)2(0.7x+2.9)=31(495)4(1.5x+2.3)=39.2(496)3(3.4x-3)=21.6(497)6(4.3x-1.6)=42(498)25(0.3x-5.5)=27.5(499)23(2.4x-3.3)=34.5(500)24(0.4x-8.4)=48(501)8(5.7x-8)=27.2(502)13(3.9x-4.7)=40.3(503)2(0.4x-5.2)=10.4(504)9(6.1x-8.5)=33.3(505)(15x+24)÷17=12(506)(7x+8)÷6=34(507)(9x+24)÷15=13(508)(9x+2)÷4=59(509)(10x+45)÷45=5(510)(8x+26)÷2=125(511)(9x+21)÷48=4(512)(6x+20)÷2=37(513)(13x+30)÷4=27(514)(12x-6)÷29=6(515)(x-2)÷7=3(516)(6x-26)÷4=37(517)(5x-41)÷9=11(518)(8x-36)÷14=14(519)(7x-31)÷9=2(520)(11x-10)÷2=94(521)(6x-20)÷2=47(522)(17x-14)÷27=2(523)(5.4x+2.7)÷3=26.1(524)(5.5x+6.5)÷21=4.5(525)(1.9x+9)÷2=14(526)(7.5x+2.9)÷4=10.1(527)(4.2x+9.1)÷37=0.7(528)(2.9x+6.1)÷2=21.9(529)(3x+2.2)÷2=23.6(530)(1.1x+3.4)÷12=1.2(531)(9.2x+5)÷2=39.3(532)(2.7x-0.5)÷17=1.4(533)(3.3x-8.8)÷22=0.5(534)(9.2x-7.2)÷2=37.8(535)(9.7x-7)÷12=7.5(536)(4.1x-1.8)÷3=24(537)(9.2x-9.6)÷24=1.9(538)(1.2x-2.5)÷31=0.5(539)(4.2x-2.8)÷7=9.2(540)(3.4x-5.2)÷21=0.4參考答案(1)x=57(2)x=17(3)x=92(4)x=78(5)x=54(6)x=67(7)x=5(8)x=90(9)x=66(10)x=64(11)x=64(12)x=77(13)x=77(14)x=97(15)x=63(16)x=59(17)x=91(18)x=96(19)x=8(20)x=5.1(21)x=6.1(22)x=6.2(23)x=7.3(24)x=5(25)x=4.9(26)x=4.3(27)x=5.4(28)x=7.7(29)x=5.6(30)x=2.5(31)x=4.9(32)x=7.1(33)x=8.3(34)x=7.3(35)x=5.8(36)x=7.9(37)x=47(38)x=65(39)x=72(40)x=12(41)x=88(42)x=76(43)x=42(44)x=13(45)x=34(46)x=19(47)x=18(48)x=24(49)x=29(50)x=43(51)x=38(52)x=3(53)x=22(54)x=60(55)x=3(56)x=7.8(57)x=5.9(58)x=9.7(59)x=5.5(60)x=3.1(61)x=1.6(62)x=5.2(63)x=6.5(64)x=5.2(65)x=4.1(66)x=0.5(67)x=2.3(68)x=4.6(69)x=6.9(70)x=3(71)x=0.4(72)x=1.5(73)x=35(74)x=4(75)x=16(76)x=3(77)x=23(78)x=5(79)x=3(80)x=24(81)x=2(82)x=12(83)x=2(84)x=3(85)x=26(86)x=19(87)x=37(88)x=21(89)x=74(90)x=4(91)x=0.2(92)x=0.2(93)x=0.2(94)x=1.1(95)x=5.3(96)x=0.4(97)x=0.6(98)x=2.5(99)x=2.7(100)x=28(101)x=76(102)x=6(103)x=3(104)x=20(105)x=22(106)x=6(107)x=58(108)x=16(109)x=2(110)x=5(111)x=43(112)x=94(113)x=13(114)x=5(115)x=14(116)x=44(117)x=6(118)x=40(119)x=114(120)x=160(121)x=182(122)x=39(123)x=18(124)x=48(125)x=4(126)x=180(127)x=7.2(128)x=4.8(129)x=3.2(130)x=11.5(131)x=12.8(132)x=19.2(133)x=15.8(134)x=11.4(135)x=19.5(136)x=3(137)x=13(138)x=6(139)x=17(140)x=48(141)x=14(142)x=9(143)x=25(144)x=41(145)x=56(146)x=6(147)x=32(148)x=23(149)x=4(150)x=5(151)x=31(152)x=48(153)x=20(154)x=3.3(155)x=5(156)x=2(157)x=1.2(158)x=0.8(159)x=0.8(160)x=6.7(161)x=1.7(162)x=1.2(163)x=13(164)x=4(165)x=4(166)x=3(167)x=7(168)x=38(169)x=4(170)x=6(171)x=4(172)x=3(173)x=3.6(174)x=7(175)x=2.3(176)x=0.6(177)x=0.5(178)x=0.3(179)x=0.4(180)x=2.4(181)x=6(182)x=17(183)x=55(184)x=6(185)x=9(186)x=7(187)x=29(188)x=27(189)x=23(190)x=24(191)x=3(192)x=49(193)x=8(194)x=9(195)x=3(196)x=31(197)x=61(198)x=5(199)x=6(200)x=12(201)x=3(202)x=2(203)x=2(204)x=16(205)x=2(206)x=16(207)x=16(208)x=4(209)x=2(210)x=3(211)x=2(212)x=4(213)x=6(214)x=22(215)x=6(216)x=5(217)x=0.3(218)x=3.7(219)x=0.4(220)x=0.6(221)x=0.3(222)x=2.5(223)x=0.3(224)x=0.3(225)x=0.3(226)x=30(227)x=8(228)x=4(229)x=2(230)x=2(231)x=3(232)x=7(233)x=7(234)x=9(235)x=1.8(236)x=1.7(237)x=5.5(238)x=0.4(239)x=0.3(240)x=0.8(241)x=0.8(242)x=0.6(243)x=0.3(244)x=42(245)x=84(246)x=11(247)x=3(248)x=18(249)x=15(250)x=7(251)x=33(252)x=4(253)x=12(254)x=36(255)x=3(256)x=69(257)x=19(258)x=4(259)x=65(260)x=3(261)x=32(262)x=0.3(263)x=0.3(264)x=1(265)x=0.8(266)x=1(267)x=2.8(268)x=1.6(269)x=1.2(270)x=0.8(271)x=9(272)x=16(273)x=13(274)x=19(275)x=7(276)x=28(277)x=4(278)x=26(279)x=11(280)x=5(281)x=16(282)x=2(283)x=11(284)x=6(285)x=7(286)x=5(287)x=2(288)x=17(289)x=10(290)x=3(291)x=15(292)x=17(293)x=20(294)x=8(295)x=11(296)x=10(297)x=3(298)x=22(299)x=12(300)x=2(301)x=2(302)x=23(303)x=10(304)x=24(305)x=10(306)x=8(307)x=5(308)x=2(309)x=15(310)x=13(311)x=8(312)x=6(313)x=3(314)x=20(315)x=11(316)x=14(317)x=5(318)x=15(319)x=6(320)x=27(321)x=7(322)x=8(323)x=13(324)x=26(325)x=8(326)x=20(327)x=7(328)x=5(329)x=11(330)x=7(331)x=14(332)x=13(333)x=7(334)x=21(335)x=6(336)x=5(337)x=11(338)x=14(339)x=11(340)x=35(341)x=2(342)x=9(343)x=8(344)x=59(345)x=3(346)x=6(347)x=7(348)x=13(349)x=6(350)x=12(351)x=6(352)x=0.7(353)x=0.7(354)x=1.2(355)x=4.8(356)x=0.2(357)x=1.2(358)x=1.1(359)x=0.9(360)x=2(361)x=24(362)x=5(363)x=2(364)x=26(365)x=5(366)x=33(367)x=3(368)x=10(369)x=9(370)x=1(371)x=6(372)x=0.7(373)x=0.2(374)x=0.2(375)x=1(376)x=6.2(377)x=1(378)x=0.2(379)x=17(380)x=14(381)x=6(382)x=5(383)x=3(384)x=37(385)x=2(386)x=14(387)x=7(388)x=1.2(389)x=0.9(390)x=1.9(391)x=0.8(392)