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

五年級(jí)數(shù)學(xué)(方程)專項(xiàng)練習(xí)題及答案(1)x+65=153(2)x+43=68(3)x+78=128(4)x+89=147(5)x+7=10(6)x+83=140(7)x+46=48(8)x+94=181(9)x+79=117(10)x-58=23(11)x-17=55(12)x-63=32(13)x-41=52(14)x-39=18(15)x-24=57(16)x-11=30(17)x-11=43(18)x-9=67(19)x+9.5=10.5(20)x+0.8=7.7(21)x+1.6=2.9(22)x+5.8=15.7(23)x+2.6=7.4(24)x+3.6=9.5(25)x+6.4=6.7(26)x+6.6=8.1(27)x+9.5=13.8(28)x-1.2=7.5(29)x-1.2=3.7(30)x-1.5=8.2(31)x-0.7=4.9(32)x-3.4=3.9(33)x-2.8=2(34)x-6.6=3.3(35)x-2.1=6.3(36)x-2.2=3.5(37)64+x=124(38)67+x=133(39)35+x=92(40)66+x=123(41)51+x=105(42)12+x=54(43)84+x=102(44)92+x=130(45)53+x=60(46)85-x=38(47)86-x=66(48)96-x=63(49)64-x=33(50)95-x=48(51)45-x=21(52)58-x=20(53)32-x=26(54)65-x=33(55)8.7+x=15.1(56)5.2+x=8.1(57)0.8+x=7.4(58)8+x=11(59)6.9+x=16(60)1.8+x=4.7(61)5.5+x=13.5(62)7+x=12.2(63)8.9+x=9.9(64)7.2-x=1.4(65)9.5-x=8.3(66)9-x=5.2(67)9-x=6.8(68)6.1-x=3.6(69)8.5-x=1.3(70)9.5-x=2(71)8.4-x=2.7(72)7.3-x=3.9(73)25x=200(74)6x=120(75)4x=52(76)7x=175(77)31x=62(78)2x=108(79)14x=154(80)2x=192(81)11x=66(82)0.9x=19.8(83)0.7x=17.5(84)0.2x=7.4(85)0.8x=8.8(86)0.6x=1.2(87)2.5x=17.5(88)3.4x=13.6(89)0.9x=1.8(90)3.2x=12.8(91)4x=7.6(92)71x=14.2(93)69x=13.8(94)5x=1.5(95)2x=9(96)21x=18.9(97)26x=7.8(98)2x=14.2(99)38x=15.2(100)66÷x=3(101)90÷x=3(102)90÷x=9(103)57÷x=3(104)148÷x=2(105)182÷x=14(106)184÷x=8(107)135÷x=15(108)84÷x=12(109)9.4÷x=4.7(110)3.5÷x=0.5(111)5÷x=1(112)9.2÷x=0.2(113)9÷x=1(114)16.8÷x=4.2(115)10.4÷x=0.4(116)1.5÷x=0.3(117)3.6÷x=0.6(118)x÷10=12(119)x÷5=38(120)x÷26=5(121)x÷12=6(122)x÷32=4(123)x÷20=7(124)x÷10=4(125)x÷15=8(126)x÷18=8(127)x÷22=0.9(128)x÷2=2.6(129)x÷2=4.8(130)x÷5=3.6(131)x÷2=0.9(132)x÷19=0.2(133)x÷3=4.7(134)x÷26=0.3(135)x÷7=2.4(136)2x+43=195(137)22x+22=220(138)2x+56=148(139)64x+10=138(140)3x+26=86(141)4x+44=128(142)21x+22=190(143)9x+56=155(144)3x+16=199(145)28x-55=113(146)2x-41=157(147)18x-20=52(148)44x-49=127(149)3x-28=149(150)3x-52=122(151)8x-24=40(152)2x-54=146(153)13x-49=94(154)8x+1.6=20(155)32x+4.4=10.8(156)51x+3.3=13.5(157)64x+3.9=23.1(158)85x+4.4=21.4(159)5x+4.3=12.8(160)35x+4.8=15.3(161)30x+2.8=14.8(162)7x+1.2=18.7(163)0.6x+4.8=24(164)7.4x+5.6=20.4(165)0.6x+1.6=17.2(166)2.1x+4.1=14.6(167)0.5x+2.5=8(168)0.7x+1.4=19.6(169)0.8x+3.6=18(170)0.5x+1.4=10.9(171)1.3x+1=4.9(172)8x-2.9=6.7(173)2x-3.3=6.9(174)3x-5=10.6(175)6x-5.1=14.7(176)23x-3.6=10.2(177)4x-3.6=3.6(178)14x-2.7=7.1(179)16x-5.5=7.3(180)7x-2.8=9.1(181)0.5x-5.8=1.2(182)0.9x-2.2=1.4(183)1.9x-5.9=1.7(184)3.2x-2.1=7.5(185)0.9x-1=17.9(186)0.2x-4.7=12.3(187)0.7x-3.4=12(188)0.2x-5.6=12.6(189)0.2x-2.2=8(190)195+16x=339(191)20+4x=40(192)89+15x=254(193)171+57x=342(194)69+7x=265(195)96+38x=286(196)81+3x=123(197)42+2x=200(198)146+14x=342(199)124-9x=52(200)139-27x=31(201)185-34x=117(202)134-5x=54(203)85-4x=49(204)185-3x=158(205)58-10x=28(206)185-14x=45(207)176-8x=128(208)7+0.3x=24.7(209)4.5+0.5x=10(210)18.3+1.9x=29.7(211)10.3+1.2x=22.3(212)6.4+2x=18.4(213)12.2+0.5x=19.2(214)11+1.1x=14.3(215)15.1+1.3x=34.6(216)6.4+0.2x=15.8(217)18.2+83x=34.8(218)16.3+11x=18.5(219)19+60x=31(220)11.8+20x=29.8(221)6.1+6x=25.3(222)2.5+26x=20.7(223)4.4+13x=18.7(224)8.4+33x=28.2(225)19.1+2x=23.9(226)12.3-2x=4.3(227)15.7-0.4x=11.7(228)7.5-1.1x=3.1(229)15.6-2.2x=11.2(230)19.5-2.6x=1.3(231)10.9-1x=4.9(232)12.7-0.6x=8.5(233)14.1-1.4x=4.3(234)18.7-0.8x=14.7(235)10.4-2x=1.4(236)12.5-3x=3.2(237)6.3-16x=1.5(238)9-2x=3(239)16.8-7x=5.6(240)17.1-24x=2.7(241)18-56x=1.2(242)17.2-16x=14(243)12.4-3x=1.9(244)2x÷30=6(245)10x÷30=4(246)31x÷62=2(247)12x÷14=6(248)2x÷9=14(249)78x÷39=4(250)8x÷20=6(251)12x÷4=33(252)8x÷6=24(253)0.3x÷21=0.8(254)2.8x÷12=1.4(255)0.3x÷39=0.4(256)7.2x÷36=0.4(257)0.3x÷11=1.8(258)8x÷4=4(259)4.6x÷69=0.2(260)5.8x÷29=0.4(261)0.3x÷12=0.8(262)84x÷7=2.4(263)16x÷6=3.2(264)6x÷3=3.6(265)64x÷8=1.6(266)3x÷6=0.6(267)6x÷27=0.2(268)7x÷2=4.2(269)6x÷12=0.4(270)6x÷9=1.4(271)2x+17x=152(272)11x+3x=28(273)3x+2x=235(274)4x+14x=144(275)3x+2x=35(276)10x+2x=240(277)13x+16x=145(278)4x+14x=180(279)6x+10x=240(280)13x-8x=45(281)16x-9x=77(282)12x-5x=91(283)4x-2x=32(284)17x-8x=54(285)4x-2x=74(286)19x-14x=35(287)10x-4x=30(288)19x-7x=120(289)4.8x+5.8x=148.4(290)1.1x+4.9x=30(291)0.6x+1.3x=112.1(292)1.3x+1.5x=98(293)4x+2x=150(294)6.7x+8.8x=46.5(295)0.8x+0.4x=31.2(296)0.8x+0.9x=8.5(297)2.7x+3.8x=71.5(298)6.7x-4.5x=8.8(299)4.1x-1.9x=22(300)6.7x-3.2x=42(301)3.8x-2.5x=26(302)2.4x-0.4x=46(303)1.8x-0.4x=18.2(304)9x-7.8x=3.6(305)9.5x-5x=40.5(306)7.3x-0.9x=38.4(307)11x+9x+15=135(308)2x+12x+10=108(309)12x+2x+5=201(310)2x+12x+49=105(311)7x+2x+43=277(312)11x+8x+11=68(313)5x+3x+6=262(314)4x+7x+25=300(315)6x+5x+34=254(316)16x+15x-25=37(317)9x+18x-31=239(318)8x+11x-18=58(319)11x+12x-7=154(320)2x+6x-11=237(321)9x+3x-10=194(322)16x+3x-3=130(323)4x+5x-46=26(324)13x+17x-41=79(325)17x-9x+7=39(326)13x-11x+30=60(327)10x-2x+20=60(328)15x-5x+47=87(329)10x-5x+3=38(330)11x-5x+34=94(331)18x-8x+16=116(332)17x-9x+18=66(333)14x-5x+21=39(334)11x-3x-6=10(335)4x-2x-40=30(336)16x-3x-10=81(337)19x-3x-9=103(338)12x-8x-35=29(339)5x-2x-40=47(340)18x-14x-6=26(341)12x-4x-3=45(342)8x-4x-30=30(343)8x+4.1x+4=88.7(344)3x+1.9x+3.3=116(345)8x+4.4x+1.1=125.1(346)4.2x+4.4x+3.5=63.7(347)2.1x+2x+0.7=127.8(348)5.6x+5.9x+1.8=82.3(349)4.5x+9x+0.9=95.4(350)6.6x+4.6x+0.5=67.7(351)3.5x+5.8x+1=121.9(352)59x+78x+3.2=112.8(353)65x+57x+1.3=25.7(354)29x+15x+1.4=49.8(355)2x+3x+2.6=33.1(356)41x+43x+0.2=151.4(357)63x+77x+1.5=29.5(358)70x+22x+3.6=31.2(359)77x+70x+1.2=118.8(360)35x+42x+2.7=118.2(361)4.2x+5.6x-2.1=105.7(362)0.3x+4.4x-2.2=82.4(363)1.5x+2.6x-0.2=40.8(364)7.3x+7.5x-4.9=98.7(365)7x+7.2x-1.6=168.8(366)8.2x+4.8x-4.1=60.9(367)1.6x+1.5x-3.4=164(368)3.7x+1.3x-1.6=93.4(369)2.7x+8.4x-4=18.2(370)12x+9x-2=8.5(371)26x+24x-4.7=50.3(372)3x+4x-2=18.3(373)79x+43x-0.7=35.9(374)39x+49x-2.4=59.2(375)75x+28x-4=109.3(376)9x+8x-1.1=58.4(377)92x+11x-0.5=51(378)40x+44x-2.1=48.3(379)8.3x-0.4x+3.7=66.9(380)1x-0.2x+0.3=73.1(381)2.5x-2x+1.8=17.8(382)2.3x-0.2x+2.9=65.9(383)2.9x-0.6x+3.9=29.2(384)4.8x-1.5x+2.7=62.1(385)4.5x-4x+4.6=8.1(386)4x-2.9x+3.4=15.5(387)5.5x-3.6x+4.4=12(388)76x-33x+2.6=58.5(389)5x-2x+2.8=16(390)48x-5x+3.9=72.7(391)56x-54x+4.8=6.4(392)31x-5x+0.3=73.1(393)69x-49x+0.5=10.5(394)32x-24x+3.7=14.1(395)37x-34x+4.2=6.3(396)28x-20x+1.6=10.4(397)7.5x-3.2x-1.4=54.5(398)6.7x-3.5x-0.7=44.1(399)9.3x-4.8x-4.7=22.3(400)8.4x-4.9x-2.7=7.8(401)1.2x-0.5x-3.9=46.5(402)9.9x-5.2x-2.2=11.9(403)6.8x-2.5x-1.7=41.3(404)2.3x-0.6x-2.3=38.5(405)3x-0.7x-3.7=72.2(406)12x-8x-4.2=16.6(407)54x-47x-1.9=10.7(408)88x-78x-0.5=8.5(409)94x-26x-2.9=37.9(410)64x-15x-4.1=49.8(411)68x-29x-4.1=15.4(412)6x-2x-1.1=8.1(413)24x-12x-2.1=38.7(414)87x-50x-3.7=37(415)26x+9×10=272(416)5x+3×50=230(417)7x+5×33=291(418)8x+15×3=149(419)2x+39×5=303(420)2x+2×82=264(421)21x+11×7=203(422)15x+8×19=197(423)4x+4×34=200(424)4x-2×24=120(425)10x-24×7=12(426)3x-18×6=36(427)20x-82×2=36(428)6x-3×13=135(429)2x-4×37=44(430)7x-18×2=27(431)2x-3×54=22(432)2x-12×6=22(433)2.2x+0.5×14=15.8(434)4.7x+3.1×2=20.3(435)0.3x+0.3×18=19.2(436)1.6x+1.1×15=34.1(437)1.8x+0.4×39=24.6(438)0.3x+2.3×7=25.7(439)0.3x+0.2×46=12.2(440)0.9x+0.7×27=23.4(441)0.4x+2.5×8=28.8(442)6x+2×3.7=17.6(443)5x+11×0.2=3.2(444)10x+3×0.6=17.8(445)28x+4×3.7=20.4(446)24x+7×2.8=29.2(447)4x+13×1.4=22.6(448)3x+14×0.6=9(449)4x+42×0.4=30.4(450)3x+3×0.7=11.4(451)0.6x-0.7×8=14.2(452)1.3x-4.3×2=9.6(453)0.4x-4.8×2=7.6(454)0.3x-0.4×11=10.3(455)1.4x-0.2×21=5.6(456)1.8x-1.1×5=10.7(457)0.5x-0.7×18=6.9(458)4.4x-0.6×14=9.2(459)2.1x-1.7×2=5(460)22x-10×1.3=6.8(461)6x-3×0.2=7.8(462)11x-4×0.2=19(463)12x-26×0.5=6.2(464)36x-48×0.2=1.2(465)10x-5×2.1=5.5(466)4x-5×0.6=7(467)4x-43×0.3=5.5(468)6x-34×0.4=2.6(469)2(12x+41)=154(470)2(17x+9)=154(471)2(2x+38)=180(472)2(x+12)=112(473)2(3x+18)=84(474)2(3x+8)=130(475)2(2x+32)=80(476)3(x+13)=126(477)3(x+9)=123(478)4(14x-8)=192(479)3(2x-22)=60(480)13(13x-29)=130(481)8(2x-42)=160(482)6(16x-49)=186(483)2(6x-11)=38(484)2(13x-35)=190(485)5(14x-49)=175(486)2(7x-10)=190(487)6(0.8x+2.4)=24(488)2(0.5x+7.5)=37(489)2(0.7x+8.5)=42.2(490)2(2.4x+3.5)=16.6(491)4(0.7x+4.4)=48.4(492)2(2.4x+8.2)=40.4(493)2(2.8x+5.1)=32.6(494)3(0.5x+3.2)=48.6(495)2(2x+9.8)=35.6(496)5(1.2x-9.5)=18.5(497)7(2.5x-2.4)=35.7(498)5(0.3x-8.3)=27.5(499)19(1.2x-5.9)=24.7(500)7(2.8x-9.1)=14.7(501)3(0.7x-6.6)=30.6(502)6(0.7x-0.7)=16.8(503)2(3.6x-7.9)=5.8(504)27(0.3x-2.3)=43.2(505)(7x+41)÷4=26(506)(10x+34)÷2=132(507)(7x+2)÷27=5(508)(5x+18)÷8=11(509)(3x+17)÷16=5(510)(5x+6)÷7=13(511)(2x+48)÷18=4(512)(5x+26)÷46=1(513)(14x+38)÷2=110(514)(4x-36)÷3=12(515)(11x-15)÷8=5(516)(8x-24)÷32=2(517)(12x-15)÷9=9(518)(9x-39)÷8=3(519)(16x-39)÷17=9(520)(12x-36)÷11=12(521)(15x-47)÷4=7(522)(8x-22)÷2=37(523)(4.2x+2.8)÷28=2.2(524)(0.4x+8)÷8=1.8(525)(2.9x+8)÷34=1.6(526)(9.7x+4.9)÷2=46.1(527)(0.4x+4.6)÷2=3.3(528)(6.2x+0.2)÷21=0.6(529)(3x+1)÷10=4.3(530)(2.2x+8.9)÷7=4.1(531)(x+7)÷30=0.4(532)(6.3x-2.2)÷2=11.5(533)(5x-9.1)÷23=3.3(534)(5.9x-9.6)÷5=2.8(535)(3.2x-1.4)÷27=2.2(536)(3.3x-4)÷13=0.2(537)(9.5x-5.5)÷3=14(538)(3.1x-2.8)÷29=1.4(539)(2.8x-9.8)÷7=3.4(540)(2.2x-5.6)÷21=1.2參考答案(1)x=88(2)x=25(3)x=50(4)x=58(5)x=3(6)x=57(7)x=2(8)x=87(9)x=38(10)x=81(11)x=72(12)x=95(13)x=93(14)x=57(15)x=81(16)x=41(17)x=54(18)x=76(19)x=1(20)x=6.9(21)x=1.3(22)x=9.9(23)x=4.8(24)x=5.9(25)x=0.3(26)x=1.5(27)x=4.3(28)x=8.7(29)x=4.9(30)x=9.7(31)x=5.6(32)x=7.3(33)x=4.8(34)x=9.9(35)x=8.4(36)x=5.7(37)x=60(38)x=66(39)x=57(40)x=57(41)x=54(42)x=42(43)x=18(44)x=38(45)x=7(46)x=47(47)x=20(48)x=33(49)x=31(50)x=47(51)x=24(52)x=38(53)x=6(54)x=32(55)x=6.4(56)x=2.9(57)x=6.6(58)x=3(59)x=9.1(60)x=2.9(61)x=8(62)x=5.2(63)x=1(64)x=5.8(65)x=1.2(66)x=3.8(67)x=2.2(68)x=2.5(69)x=7.2(70)x=7.5(71)x=5.7(72)x=3.4(73)x=8(74)x=20(75)x=13(76)x=25(77)x=2(78)x=54(79)x=11(80)x=96(81)x=6(82)x=22(83)x=25(84)x=37(85)x=11(86)x=2(87)x=7(88)x=4(89)x=2(90)x=4(91)x=1.9(92)x=0.2(93)x=0.2(94)x=0.3(95)x=4.5(96)x=0.9(97)x=0.3(98)x=7.1(99)x=0.4(100)x=22(101)x=30(102)x=10(103)x=19(104)x=74(105)x=13(106)x=23(107)x=9(108)x=7(109)x=2(110)x=7(111)x=5(112)x=46(113)x=9(114)x=4(115)x=26(116)x=5(117)x=6(118)x=120(119)x=190(120)x=130(121)x=72(122)x=128(123)x=140(124)x=40(125)x=120(126)x=144(127)x=19.8(128)x=5.2(129)x=9.6(130)x=18(131)x=1.8(132)x=3.8(133)x=14.1(134)x=7.8(135)x=16.8(136)x=76(137)x=9(138)x=46(139)x=2(140)x=20(141)x=21(142)x=8(143)x=11(144)x=61(145)x=6(146)x=99(147)x=4(148)x=4(149)x=59(150)x=58(151)x=8(152)x=100(153)x=11(154)x=2.3(155)x=0.2(156)x=0.2(157)x=0.3(158)x=0.2(159)x=1.7(160)x=0.3(161)x=0.4(162)x=2.5(163)x=32(164)x=2(165)x=26(166)x=5(167)x=11(168)x=26(169)x=18(170)x=19(171)x=3(172)x=1.2(173)x=5.1(174)x=5.2(175)x=3.3(176)x=0.6(177)x=1.8(178)x=0.7(179)x=0.8(180)x=1.7(181)x=14(182)x=4(183)x=4(184)x=3(185)x=21(186)x=85(187)x=22(188)x=91(189)x=51(190)x=9(191)x=5(192)x=11(193)x=3(194)x=28(195)x=5(196)x=14(197)x=79(198)x=14(199)x=8(200)x=4(201)x=2(202)x=16(203)x=9(204)x=9(205)x=3(206)x=10(207)x=6(208)x=59(209)x=11(210)x=6(211)x=10(212)x=6(213)x=14(214)x=3(215)x=15(216)x=47(217)x=0.2(218)x=0.2(219)x=0.2(220)x=0.9(221)x=3.2(222)x=0.7(223)x=1.1(224)x=0.6(225)x=2.4(226)x=4(227)x=10(228)x=4(229)x=2(230)x=7(231)x=6(232)x=7(233)x=7(234)x=5(235)x=4.5(236)x=3.1(237)x=0.3(238)x=3(239)x=1.6(240)x=0.6(241)x=0.3(242)x=0.2(243)x=3.5(244)x=90(245)x=12(246)x=4(247)x=7(248)x=63(249)x=2(250)x=15(251)x=11(252)x=18(253)x=56(254)x=6(255)x=52(256)x=2(257)x=66(258)x=2(259)x=3(260)x=2(261)x=32(262)x=0.2(263)x=1.2(264)x=1.8(265)x=0.2(266)x=1.2(267)x=0.9(268)x=1.2(269)x=0.8(270)x=2.1(271)x=8(272)x=2(273)x=47(274)x=8(275)x=7(276)x=20(277)x=5(278)x=10(279)x=15(280)x=9(281)x=11(282)x=13(283)x=16(284)x=6(285)x=37(286)x=7(287)x=5(288)x=10(289)x=14(290)x=5(291)x=59(292)x=35(293)x=25(294)x=3(295)x=26(296)x=5(297)x=11(298)x=4(299)x=10(300)x=12(301)x=20(302)x=23(303)x=13(304)x=3(305)x=9(306)x=6(307)x=6(308)x=7(309)x=14(310)x=4(311)x=26(312)x=3(313)x=32(314)x=25(315)x=20(316)x=2(317)x=10(318)x=4(319)x=7(320)x=31(321)x=17(322)x=7(323)x=8(324)x=4(325)x=4(326)x=15(327)x=5(328)x=4(329)x=7(330)x=10(331)x=10(332)x=6(333)x=2(334)x=2(335)x=35(336)x=7(337)x=7(338)x=16(339)x=29(340)x=8(341)x=6(342)x=15(343)x=7(344)x=23(345)x=10(346)x=7(347)x=31(348)x=7(349)x=7(350)x=6(351)x=13(352)x=0.8(353)x=0.2(354)x=1.1(355)x=6.1(356)x=1.8(357)x=0.2(358)x=0.3(359)x=0.8(360)x=1.5(361)x=11(362)x=18(363)x=10(364)x=7(365)x=12(366)x=5(367)x=54(368)x=19(369)x=2(370)x=0.5(371)x=1.1(372)x=2.9(373)x=0.3(374)x=0.7(375)x=1.1(376)x=3.5(377)x=0.5(378)x=0.6(379)x=8(380)x=91(381)x=32(382)x=30(383)x=11(384)x=18(385)x=7(386)x=11(387)x=4(388)x=1.3(389)x=4.4(390)x=1.6(391)x=0.8(392)x=2.8(393