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+29=127(2)x+50=149(3)x+44=46(4)x+10=65(5)x+74=142(6)x+27=57(7)x+21=76(8)x+39=47(9)x+73=159(10)x-36=51(11)x-23=74(12)x-4=62(13)x-4=36(14)x-11=43(15)x-10=53(16)x-12=60(17)x-25=15(18)x-34=14(19)x+2.6=10.3(20)x+7.5=14.4(21)x+8.9=14.2(22)x+1.7=7.4(23)x+9.7=9.9(24)x+7.8=13.9(25)x+5.5=8.1(26)x+6.6=15(27)x+4.8=9(28)x-3.4=6(29)x-2.7=3.6(30)x-6.5=2.1(31)x-3.6=4.1(32)x-2.1=4.2(33)x-1.5=4.4(34)x-2.7=1.3(35)x-0.6=7.8(36)x-1.4=3.7(37)49+x=136(38)51+x=91(39)66+x=127(40)93+x=168(41)96+x=108(42)10+x=94(43)54+x=137(44)37+x=65(45)24+x=27(46)97-x=65(47)94-x=68(48)56-x=11(49)30-x=23(50)75-x=14(51)84-x=49(52)97-x=53(53)62-x=18(54)85-x=76(55)7.3+x=16.7(56)6.7+x=10.1(57)9.8+x=17.4(58)7.7+x=13.5(59)2.2+x=4.8(60)3.1+x=8.4(61)6.2+x=10.3(62)5.4+x=9.8(63)5.6+x=8.9(64)8.9-x=6.5(65)5.6-x=4.7(66)7.3-x=2.3(67)7.8-x=4.6(68)5.2-x=2.9(69)6.7-x=5.1(70)9.8-x=6.6(71)6.1-x=1.4(72)9.4-x=1.8(73)33x=198(74)2x=34(75)8x=128(76)23x=138(77)15x=150(78)16x=48(79)4x=100(80)65x=130(81)4x=200(82)0.9x=11.7(83)2.5x=17.5(84)4.7x=9.4(85)1.6x=4.8(86)0.7x=11.9(87)0.8x=13.6(88)0.2x=9.6(89)0.2x=1.2(90)0.2x=16.4(91)15x=4.5(92)90x=18(93)2x=15.2(94)2x=7.4(95)7x=18.2(96)11x=16.5(97)2x=19.8(98)23x=4.6(99)2x=10.8(100)155÷x=31(101)100÷x=25(102)72÷x=9(103)189÷x=7(104)172÷x=2(105)125÷x=25(106)30÷x=2(107)168÷x=14(108)72÷x=18(109)5.6÷x=0.7(110)11÷x=1(111)19.2÷x=1.2(112)10.5÷x=0.3(113)12.6÷x=0.3(114)6÷x=0.6(115)2.8÷x=1.4(116)18.8÷x=0.2(117)10.8÷x=1.2(118)x÷12=12(119)x÷2=25(120)x÷20=9(121)x÷10=16(122)x÷14=9(123)x÷2=9(124)x÷13=2(125)x÷4=22(126)x÷6=32(127)x÷2=2.1(128)x÷2=0.6(129)x÷67=0.2(130)x÷2=0.8(131)x÷6=0.8(132)x÷10=1.7(133)x÷5=0.7(134)x÷29=0.4(135)x÷3=2.6(136)2x+41=65(137)4x+28=144(138)10x+19=69(139)18x+56=164(140)45x+30=210(141)39x+58=214(142)7x+15=169(143)46x+13=105(144)2x+25=107(145)14x-14=112(146)22x-14=140(147)71x-49=93(148)7x-15=27(149)6x-17=31(150)5x-20=50(151)2x-47=15(152)76x-51=101(153)5x-58=57(154)3x+4.5=20.1(155)64x+1.8=21(156)99x+5.1=24.9(157)9x+1.5=6.9(158)11x+3=15.1(159)3x+2.6=10.1(160)17x+4.5=7.9(161)10x+5.9=18.9(162)64x+5.7=18.5(163)6x+5.1=23.1(164)0.4x+2.5=20.1(165)0.3x+1.7=13.7(166)0.5x+4.1=10.6(167)0.3x+2.8=9.1(168)1x+2.9=5.9(169)1x+2=11(170)5.8x+5=22.4(171)1.6x+5.5=15.1(172)12x-1.9=4.1(173)13x-3=8.7(174)15x-2.8=3.2(175)2x-4.7=9.3(176)8x-2.4=10.4(177)2x-2.6=9(178)74x-5=9.8(179)22x-5.2=12.4(180)4x-4.7=5.3(181)2.6x-1.4=6.4(182)0.7x-3.4=15.5(183)0.7x-3.1=15.1(184)2.8x-3.9=12.9(185)1x-5.9=9.1(186)7.2x-3.9=10.5(187)0.7x-1.6=13.1(188)0.7x-4.4=1.2(189)0.2x-2.1=6.7(190)14+33x=80(191)119+4x=239(192)129+2x=297(193)116+7x=214(194)149+5x=249(195)189+3x=285(196)120+96x=312(197)181+32x=341(198)153+3x=177(199)165-24x=45(200)186-3x=111(201)177-5x=72(202)82-8x=34(203)198-42x=30(204)162-5x=152(205)109-22x=65(206)64-3x=16(207)196-5x=86(208)17.1+1.1x=21.5(209)6.2+1.2x=14.6(210)5.8+1.8x=18.4(211)16.5+0.3x=27.3(212)5.3+0.3x=14.6(213)1.7+1.6x=12.9(214)15.3+3.8x=30.5(215)10+0.2x=19.4(216)18.9+0.8x=32.5(217)6+13x=16.4(218)17+6x=18.8(219)8.7+2x=17.5(220)15.3+13x=24.4(221)11.3+2x=16.9(222)13.2+28x=32.8(223)1.8+18x=9(224)1.7+13x=13.4(225)17.3+3x=29.3(226)13.3-0.4x=2.5(227)13.5-0.7x=6.5(228)18.9-0.4x=18.1(229)11.2-0.9x=4.9(230)15.8-0.5x=3.3(231)7.8-0.4x=7(232)12.2-0.8x=10.6(233)17.2-1.6x=1.2(234)16.7-0.3x=4.1(235)19.8-58x=2.4(236)16-4x=11.2(237)8.5-4x=3.7(238)13.4-8x=8.6(239)8-4x=2.8(240)15.7-12x=1.3(241)15.4-2x=14.4(242)11-4x=1(243)18.3-10x=1.3(244)4x÷16=9(245)66x÷22=9(246)3x÷39=2(247)72x÷24=6(248)4x÷90=2(249)4x÷76=2(250)27x÷54=3(251)35x÷20=7(252)11x÷22=6(253)2.4x÷2=4.8(254)0.5x÷3=3.5(255)1.5x÷10=1.2(256)3.4x÷8=1.7(257)6x÷3=4(258)1.5x÷2=3(259)1.6x÷88=0.2(260)0.3x÷4=3.9(261)0.8x÷20=0.4(262)2x÷4=0.6(263)7x÷3=2.8(264)36x÷8=1.8(265)24x÷4=1.2(266)5x÷30=0.3(267)3x÷66=0.2(268)4x÷2=4.8(269)2x÷3=3.4(270)85x÷17=1(271)3x+2x=90(272)4x+11x=210(273)11x+6x=170(274)8x+13x=231(275)2x+8x=240(276)10x+11x=126(277)8x+15x=230(278)4x+2x=90(279)9x+8x=170(280)7x-5x=52(281)13x-4x=90(282)8x-6x=48(283)16x-7x=108(284)15x-2x=169(285)7x-3x=88(286)12x-3x=90(287)8x-4x=36(288)13x-3x=20(289)3.2x+7.5x=85.6(290)0.6x+1.5x=69.3(291)3x+1.8x=52.8(292)2.1x+2.9x=25(293)0.5x+1.8x=121.9(294)3.8x+0.9x=9.4(295)5x+7.5x=125(296)6.5x+3.4x=39.6(297)7.5x+4.6x=72.6(298)7.1x-1.9x=52(299)9.5x-3.2x=63(300)8x-2x=30(301)5.8x-3.8x=4(302)9x-4.7x=21.5(303)3.7x-1.5x=30.8(304)0.7x-0.5x=3.4(305)7.7x-2.5x=52(306)1.4x-0.3x=63.8(307)15x+14x+25=83(308)10x+11x+26=110(309)14x+12x+45=227(310)3x+2x+37=197(311)4x+6x+42=212(312)9x+14x+9=124(313)14x+18x+9=361(314)14x+9x+30=145(315)9x+11x+41=241(316)13x+8x-37=173(317)6x+9x-29=211(318)14x+15x-47=330(319)3x+6x-7=56(320)14x+11x-25=25(321)5x+14x-19=228(322)15x+3x-4=32(323)9x+10x-30=46(324)4x+5x-29=61(325)18x-7x+14=80(326)8x-2x+34=112(327)19x-11x+39=79(328)13x-2x+24=189(329)11x-6x+7=77(330)10x-4x+38=104(331)13x-7x+24=84(332)16x-11x+12=32(333)15x-3x+39=159(334)9x-3x-34=80(335)16x-14x-8=16(336)12x-3x-28=35(337)12x-2x-28=12(338)16x-7x-9=99(339)12x-2x-6=84(340)16x-13x-11=25(341)5x-2x-30=84(342)4x-2x-39=19(343)5.5x+6.5x+4=88(344)4.7x+3.9x+2.9=28.7(345)3.7x+4.8x+1.3=111.8(346)0.2x+4.8x+4.2=79.2(347)4.3x+6.6x+1.9=132.7(348)3.1x+1.7x+2=78.8(349)5.9x+7.3x+3.3=95.7(350)2.2x+3.3x+4.6=37.6(351)4.7x+4.3x+1=181(352)21x+73x+4.4=70.2(353)74x+11x+1.2=26.7(354)95x+68x+1.3=50.2(355)45x+79x+0.7=75.1(356)14x+25x+0.7=8.5(357)78x+79x+1.4=95.6(358)98x+93x+4.8=62.1(359)19x+10x+4.8=25.1(360)92x+40x+3.8=56.6(361)1.7x+2.5x-0.7=133.7(362)3.6x+3x-1.5=24.9(363)2.1x+1.9x-4.5=35.5(364)3.7x+2.2x-3.5=90.9(365)1.8x+3.8x-4.4=79.6(366)7.5x+1.7x-3.3=51.9(367)1.8x+0.7x-2.2=112.8(368)5.4x+4.3x-0.4=86.9(369)1x+2x-1.6=46.4(370)99x+33x-4.8=87.6(371)11x+58x-3.1=59(372)13x+5x-2.8=114.2(373)9x+31x-1.1=58.9(374)70x+57x-4.8=122.2(375)48x+90x-1.8=25.8(376)26x+85x-1=21.2(377)75x+27x-2.2=120.2(378)38x+51x-4.8=102(379)4.8x-1.6x+3.4=19.4(380)6.6x-2.4x+0.9=42.9(381)1.7x-1x+1.1=17.9(382)4.1x-0.8x+4.9=80.8(383)4.6x-3.2x+0.5=18.7(384)5.2x-4.6x+1.3=10.9(385)5x-0.5x+2.6=43.1(386)7.2x-1.3x+3.2=20.9(387)8.9x-3.5x+2.1=61.5(388)69x-15x+2.2=34.6(389)98x-31x+0.9=14.3(390)38x-28x+0.2=16.2(391)90x-66x+3.7=30.1(392)27x-12x+3=18(393)82x-47x+4.2=18.2(394)29x-16x+4.7=24.2(395)48x-39x+2=4.7(396)85x-40x+1.1=41.6(397)7.7x-3.3x-2.1=11.1(398)4.9x-0.9x-1.1=70.9(399)3x-0.4x-4.3=55.5(400)5.3x-4.2x-1.3=2(401)8.2x-3.1x-0.8=40(402)2.8x-2x-0.2=5.4(403)8.4x-3.7x-0.8=50.9(404)9.3x-5.8x-2.8=32.2(405)9.5x-5.9x-3.2=29.2(406)49x-26x-1.3=19.4(407)68x-4x-3.2=54.4(408)84x-41x-1.5=37.2(409)70x-16x-2.4=13.8(410)8x-5x-0.3=16.2(411)10x-2x-3.9=72.1(412)66x-40x-0.9=19.9(413)82x-62x-4=16(414)51x-38x-0.8=9.6(415)3x+3×40=306(416)6x+17×9=255(417)3x+41×2=136(418)3x+18×6=297(419)7x+4×24=229(420)16x+10×17=250(421)2x+38×2=170(422)4x+2×49=190(423)2x+11×10=120(424)2x-10×8=72(425)2x-35×5=23(426)29x-2×8=71(427)8x-2×8=120(428)2x-5×21=43(429)2x-3×29=75(430)18x-3×34=78(431)8x-4×17=20(432)7x-8×9=96(433)0.5x+2.3×3=13.4(434)2x+0.6×21=24.6(435)0.9x+0.2×42=12.9(436)1.5x+1×20=27.5(437)0.4x+4.6×2=11.2(438)0.2x+2.9×2=11(439)0.6x+0.8×7=17(440)0.6x+4.6×2=20(441)0.5x+0.2×8=20.6(442)21x+5×1.7=14.8(443)19x+2×1.7=22.4(444)3x+6×2.1=24.6(445)2x+12×0.9=14.4(446)22x+3×3.4=23.4(447)5x+5×0.7=4.5(448)5x+4×3.3=27.2(449)12x+9×1.7=20.1(450)7x+3×2.6=14.1(451)4x-0.2×10=6(452)1x-0.9×4=7.4(453)2.8x-0.6×11=1.8(454)0.5x-1.6×6=6.9(455)1.7x-4.3×4=1.5(456)0.3x-1.8×7=1.8(457)4.5x-0.8×4=10.3(458)1.7x-0.8×7=11.4(459)4.4x-1.6×5=9.6(460)6x-5×1.2=7.2(461)5x-3×2.4=11.3(462)7x-5×1.9=8(463)5x-3×3=1(464)29x-18×0.5=5.5(465)30x-10×0.2=4(466)11x-15×0.3=14.2(467)22x-12×0.3=14(468)9x-12×0.6=6.3(469)2(15x+39)=198(470)10(3x+3)=90(471)2(5x+16)=72(472)2(x+30)=104(473)4(x+29)=180(474)15(2x+3)=105(475)5(x+14)=200(476)3(x+37)=198(477)3(2x+15)=147(478)6(x-24)=72(479)4(15x-49)=104(480)11(11x-31)=143(481)5(13x-19)=165(482)3(7x-10)=138(483)2(9x-27)=144(484)4(28x-39)=180(485)4(4x-7)=116(486)14(x-2)=196(487)6(0.2x+2.3)=18.6(488)5(0.3x+2.9)=41.5(489)3(0.2x+2.5)=15.3(490)2(0.2x+7)=22(491)2(x+5.6)=33.2(492)3(4.2x+7.6)=48(493)4(0.4x+0.5)=6.8(494)3(0.5x+0.3)=11.4(495)10(0.2x+0.7)=37(496)7(0.4x-6.8)=8.4(497)6(0.3x-6.9)=10.8(498)5(0.5x-5.1)=39.5(499)26(1.1x-4.8)=46.8(500)3(0.6x-0.3)=47.7(501)4(0.6x-7)=10.4(502)5(1.2x-8.8)=16(503)3(0.3x-7.8)=5.4(504)7(0.9x-2.4)=14.7(505)(11x+16)÷34=5(506)(4x+36)÷11=4(507)(x+26)÷16=3(508)(9x+13)÷8=23(509)(3x+7)÷5=14(510)(12x+36)÷42=4(511)(5x+43)÷3=46(512)(4x+4)÷9=8(513)(7x+41)÷6=29(514)(16x-47)÷5=29(515)(12x-34)÷49=2(516)(9x-39)÷3=14(517)(10x-18)÷2=66(518)(16x-49)÷35=5(519)(11x-19)÷4=31(520)(3x-18)÷33=2(521)(6x-21)÷15=3(522)(7x-17)÷41=3(523)(4.6x+1)÷2=25.8(524)(9.6x+1.6)÷38=0.8(525)(2.3x+6.2)÷2=10(526)(1.5x+0.4)÷13=1.3(527)(2.6x+0.6)÷2=21.1(528)(8.1x+0.4)÷7=7(529)(9x+5.4)÷9=8.6(530)(1.2x+3.6)÷10=2.4(531)(3.3x+4.9)÷14=2(532)(7.5x-2.7)÷13=2.1(533)(4.7x-3.6)÷11=4.8(534)(4.6x-0.4)÷32=2(535)(6.8x-8)÷24=2.5(536)(7.7x-2.8)÷7=2.9(537)(4.5x-7.5)÷13=1.5(538)(4.5x-9.4)÷4=8.9(539)(0.9x-7.3)÷2=3.1(540)(3.5x-1.4)÷8=4.2參考答案(1)x=98(2)x=99(3)x=2(4)x=55(5)x=68(6)x=30(7)x=55(8)x=8(9)x=86(10)x=87(11)x=97(12)x=66(13)x=40(14)x=54(15)x=63(16)x=72(17)x=40(18)x=48(19)x=7.7(20)x=6.9(21)x=5.3(22)x=5.7(23)x=0.2(24)x=6.1(25)x=2.6(26)x=8.4(27)x=4.2(28)x=9.4(29)x=6.3(30)x=8.6(31)x=7.7(32)x=6.3(33)x=5.9(34)x=4(35)x=8.4(36)x=5.1(37)x=87(38)x=40(39)x=61(40)x=75(41)x=12(42)x=84(43)x=83(44)x=28(45)x=3(46)x=32(47)x=26(48)x=45(49)x=7(50)x=61(51)x=35(52)x=44(53)x=44(54)x=9(55)x=9.4(56)x=3.4(57)x=7.6(58)x=5.8(59)x=2.6(60)x=5.3(61)x=4.1(62)x=4.4(63)x=3.3(64)x=2.4(65)x=0.9(66)x=5(67)x=3.2(68)x=2.3(69)x=1.6(70)x=3.2(71)x=4.7(72)x=7.6(73)x=6(74)x=17(75)x=16(76)x=6(77)x=10(78)x=3(79)x=25(80)x=2(81)x=50(82)x=13(83)x=7(84)x=2(85)x=3(86)x=17(87)x=17(88)x=48(89)x=6(90)x=82(91)x=0.3(92)x=0.2(93)x=7.6(94)x=3.7(95)x=2.6(96)x=1.5(97)x=9.9(98)x=0.2(99)x=5.4(100)x=5(101)x=4(102)x=8(103)x=27(104)x=86(105)x=5(106)x=15(107)x=12(108)x=4(109)x=8(110)x=11(111)x=16(112)x=35(113)x=42(114)x=10(115)x=2(116)x=94(117)x=9(118)x=144(119)x=50(120)x=180(121)x=160(122)x=126(123)x=18(124)x=26(125)x=88(126)x=192(127)x=4.2(128)x=1.2(129)x=13.4(130)x=1.6(131)x=4.8(132)x=17(133)x=3.5(134)x=11.6(135)x=7.8(136)x=12(137)x=29(138)x=5(139)x=6(140)x=4(141)x=4(142)x=22(143)x=2(144)x=41(145)x=9(146)x=7(147)x=2(148)x=6(149)x=8(150)x=14(151)x=31(152)x=2(153)x=23(154)x=5.2(155)x=0.3(156)x=0.2(157)x=0.6(158)x=1.1(159)x=2.5(160)x=0.2(161)x=1.3(162)x=0.2(163)x=3(164)x=44(165)x=40(166)x=13(167)x=21(168)x=3(169)x=9(170)x=3(171)x=6(172)x=0.5(173)x=0.9(174)x=0.4(175)x=7(176)x=1.6(177)x=5.8(178)x=0.2(179)x=0.8(180)x=2.5(181)x=3(182)x=27(183)x=26(184)x=6(185)x=15(186)x=2(187)x=21(188)x=8(189)x=44(190)x=2(191)x=30(192)x=84(193)x=14(194)x=20(195)x=32(196)x=2(197)x=5(198)x=8(199)x=5(200)x=25(201)x=21(202)x=6(203)x=4(204)x=2(205)x=2(206)x=16(207)x=22(208)x=4(209)x=7(210)x=7(211)x=36(212)x=31(213)x=7(214)x=4(215)x=47(216)x=17(217)x=0.8(218)x=0.3(219)x=4.4(220)x=0.7(221)x=2.8(222)x=0.7(223)x=0.4(224)x=0.9(225)x=4(226)x=27(227)x=10(228)x=2(229)x=7(230)x=25(231)x=2(232)x=2(233)x=10(234)x=42(235)x=0.3(236)x=1.2(237)x=1.2(238)x=0.6(239)x=1.3(240)x=1.2(241)x=0.5(242)x=2.5(243)x=1.7(244)x=36(245)x=3(246)x=26(247)x=2(248)x=45(249)x=38(250)x=6(251)x=4(252)x=12(253)x=4(254)x=21(255)x=8(256)x=4(257)x=2(258)x=4(259)x=11(260)x=52(261)x=10(262)x=1.2(263)x=1.2(264)x=0.4(265)x=0.2(266)x=1.8(267)x=4.4(268)x=2.4(269)x=5.1(270)x=0.2(271)x=18(272)x=14(273)x=10(274)x=11(275)x=24(276)x=6(277)x=10(278)x=15(279)x=10(280)x=26(281)x=10(282)x=24(283)x=12(284)x=13(285)x=22(286)x=10(287)x=9(288)x=2(289)x=8(290)x=33(291)x=11(292)x=5(293)x=53(294)x=2(295)x=10(296)x=4(297)x=6(298)x=10(299)x=10(300)x=5(301)x=2(302)x=5(303)x=14(304)x=17(305)x=10(306)x=58(307)x=2(308)x=4(309)x=7(310)x=32(311)x=17(312)x=5(313)x=11(314)x=5(315)x=10(316)x=10(317)x=16(318)x=13(319)x=7(320)x=2(321)x=13(322)x=2(323)x=4(324)x=10(325)x=6(326)x=13(327)x=5(328)x=15(329)x=14(330)x=11(331)x=10(332)x=4(333)x=10(334)x=19(335)x=12(336)x=7(337)x=4(338)x=12(339)x=9(340)x=12(341)x=38(342)x=29(343)x=7(344)x=3(345)x=13(346)x=15(347)x=12(348)x=16(349)x=7(350)x=6(351)x=20(352)x=0.7(353)x=0.3(354)x=0.3(355)x=0.6(356)x=0.2(357)x=0.6(358)x=0.3(359)x=0.7(360)x=0.4(361)x=32(362)x=4(363)x=10(364)x=16(365)x=15(366)x=6(367)x=46(368)x=9(369)x=16(370)x=0.7(371)x=0.9(372)x=6.5(373)x=1.5(374)x=1(375)x=0.2(376)x=0.2(377)x=1.2(378)x=1.2(379)x=5(380)x=10(381)x=24(382)x=23(383)x=13(384)x=16(385)x=9(386)x=3(387)x=11(388)x=0.6(389)x=0.2(390)x=1.6(391)x=1.1(392)x=1(393)