五年级数学(方程)习题及答案

五年级数学(方程)习题及答案(1)x+36=114(2)x+39=126(3)x+10=106(4)x+67=143(5)x+29=37(6)x+31=60(7)x+65=146(8)x+22=105(9)x+47=142(10)x-52=18(11)x-83=11(12)x-17=65(13)x-50=34(14)x-4=17(15)x-26=39(16)x-20=32(17)x-75=11(18)x-59=39(19)x+9.8=11.5(20)x+1.8=10.2(21)x+8.7=17.2(22)x+7.2=8(23)x+8.2=12.7(24)x+3=10.7(25)x+4.4=9(26)x+2.5=10.9(27)x+6=14.5(28)x-0.8=3.5(29)x-3.4=4.7(30)x-0.5=5.1(31)x-3.9=2(32)x-1.1=3.2(33)x-0.8=6.2(34)x-4=1(35)x-2.1=7.1(36)x-4.8=1.4(37)5+x=22(38)35+x=56(39)22+x=68(40)50+x=98(41)50+x=55(42)88+x=175(43)23+x=68(44)6+x=22(45)71+x=161(46)97-x=27(47)55-x=51(48)51-x=30(49)74-x=70(50)55-x=43(51)33-x=11(52)52-x=39(53)24-x=17(54)47-x=15(55)4.5+x=11.5(56)6.7+x=14.3(57)6.9+x=12.8(58)5.4+x=14.8(59)7.6+x=12.8(60)6+x=14(61)3.8+x=10.6(62)7.5+x=11.3(63)4.6+x=14.5(64)8.2-x=4.8(65)7-x=2.6(66)7.1-x=2.2(67)7.6-x=1.7(68)4.8-x=1.6(69)9.2-x=6.6(70)7.6-x=3.3(71)7.3-x=7.1(72)5.6-x=2.1(73)25x=75(74)5x=195(75)2x=164(76)60x=120(77)29x=145(78)47x=141(79)15x=75(80)3x=138(81)18x=162(82)1.4x=12.6(83)3.1x=12.4(84)2.5x=20(85)0.8x=1.6(86)0.4x=14.8(87)4.8x=9.6(88)0.3x=6.3(89)0.2x=11.6(90)1.2x=18(91)33x=13.2(92)11x=3.3(93)6x=8.4(94)24x=19.2(95)10x=5(96)2x=11.6(97)2x=17.4(98)5x=1(99)3x=9(100)66÷x=22(101)192÷x=8(102)24÷x=8(103)140÷x=2(104)190÷x=19(105)64÷x=32(106)40÷x=2(107)166÷x=2(108)147÷x=7(109)13.5÷x=0.3(110)14.7÷x=0.3(111)8.4÷x=0.2(112)18.4÷x=0.4(113)11.5÷x=0.5(114)11.5÷x=2.3(115)7.4÷x=0.2(116)6÷x=1.2(117)16.8÷x=1.4(118)x÷2=6(119)x÷29=6(120)x÷16=11(121)x÷58=3(122)x÷25=6(123)x÷17=7(124)x÷8=16(125)x÷48=3(126)x÷14=11(127)x÷81=0.2(128)x÷10=1.8(129)x÷4=4(130)x÷4=3.9(131)x÷12=0.7(132)x÷20=0.8(133)x÷55=0.2(134)x÷48=0.4(135)x÷7=1.3(136)10x+35=235(137)11x+43=131(138)13x+18=83(139)5x+27=82(140)10x+16=146(141)6x+32=116(142)6x+27=63(143)53x+44=203(144)10x+31=151(145)2x-11=157(146)26x-47=109(147)9x-29=124(148)2x-31=165(149)20x-58=22(150)2x-31=19(151)2x-55=35(152)11x-57=53(153)26x-53=51(154)3x+1.4=5.9(155)2x+3.2=10.8(156)21x+3.1=15.7(157)28x+5.6=14(158)2x+5.7=18.9(159)26x+1.6=12(160)5x+1.8=3.8(161)26x+3.6=16.6(162)33x+3.2=9.8(163)1.3x+1.7=17.3(164)4.3x+4.6=13.2(165)5.7x+4=21.1(166)4.5x+5.3=23.3(167)0.3x+5.5=10(168)1x+3.9=8.9(169)0.9x+1.6=14.2(170)0.2x+5.3=10.1(171)0.5x+2=18.5(172)2x-3.6=6(173)14x-2.1=11.9(174)49x-5.6=14(175)91x-1.1=17.1(176)2x-1.8=11(177)4x-3.3=1.5(178)7x-5.2=2.5(179)20x-3.1=12.9(180)3x-1.4=16.3(181)1.6x-5.6=10.4(182)1.4x-2.5=5.9(183)0.9x-1.8=13.5(184)0.2x-5.9=8.1(185)1.4x-1=6(186)0.7x-5.5=2.2(187)0.4x-5.8=12.6(188)0.8x-2.8=3.6(189)0.9x-2.3=16.6(190)115+2x=235(191)178+3x=352(192)32+17x=202(193)130+2x=144(194)139+10x=339(195)100+2x=154(196)134+11x=178(197)59+21x=122(198)167+2x=367(199)128-35x=23(200)179-3x=77(201)75-2x=11(202)170-2x=36(203)170-29x=54(204)199-4x=187(205)170-3x=14(206)177-2x=123(207)64-5x=19(208)13.3+1.3x=15.9(209)18+0.2x=34.6(210)7.8+0.4x=17(211)14.8+2.3x=21.7(212)6.9+0.2x=19.9(213)6.3+0.4x=23.9(214)17.5+0.2x=33.9(215)17.1+0.2x=25.5(216)12.8+1.1x=20.5(217)18.9+4x=38.9(218)5.2+9x=11.5(219)11.2+36x=18.4(220)5.5+16x=24.7(221)5+2x=24.6(222)13.4+8x=23.8(223)11.7+5x=30.7(224)1.4+62x=13.8(225)8.6+12x=15.8(226)16.9-0.2x=4.7(227)18.2-0.5x=5.7(228)9.6-0.4x=6(229)16.2-0.3x=10.8(230)13.4-0.2x=2.2(231)14.7-1.2x=6.3(232)16.5-0.7x=13(233)13-1.3x=1.3(234)9.8-0.2x=2.2(235)18.2-6x=14.6(236)12.1-2x=5.5(237)16.6-30x=4.6(238)16.3-49x=1.6(239)14.5-11x=10.1(240)16.6-13x=11.4(241)19-21x=12.7(242)17.1-3x=10.8(243)16.1-22x=2.9(244)13x÷39=2(245)28x÷4=14(246)25x÷5=40(247)32x÷12=16(248)56x÷28=4(249)60x÷12=15(250)96x÷12=16(251)48x÷3=32(252)10x÷26=5(253)1x÷38=0.5(254)2.4x÷72=0.2(255)0.2x÷20=0.8(256)0.3x÷9=2.2(257)0.7x÷35=0.4(258)1.5x÷30=0.6(259)0.2x÷26=0.4(260)0.2x÷14=0.8(261)3.2x÷8=1.2(262)22x÷2=3.3(263)12x÷6=1(264)20x÷12=1(265)48x÷12=0.8(266)2x÷28=0.7(267)33x÷66=0.3(268)15x÷3=2.5(269)46x÷4=2.3(270)10x÷30=0.5(271)6x+12x=90(272)2x+3x=190(273)6x+18x=192(274)12x+2x=182(275)11x+9x=360(276)18x+10x=84(277)8x+9x=374(278)3x+18x=126(279)15x+6x=273(280)12x-7x=65(281)19x-5x=42(282)15x-7x=64(283)9x-2x=70(284)8x-5x=72(285)15x-12x=27(286)13x-5x=48(287)18x-11x=49(288)19x-11x=16(289)4.5x+1.7x=117.8(290)1.1x+6x=85.2(291)9.5x+4.2x=68.5(292)5.5x+8.1x=163.2(293)3.2x+2.3x=148.5(294)2.2x+5.5x=92.4(295)5.8x+3.2x=27(296)3.4x+8x=34.2(297)4.7x+5.1x=49(298)6.3x-4.5x=25.2(299)1.4x-0.3x=5.5(300)6.5x-0.3x=62(301)7x-0.9x=30.5(302)2.1x-0.2x=7.6(303)7.9x-4.7x=22.4(304)6x-0.8x=10.4(305)5.3x-4.4x=5.4(306)7.7x-3.1x=41.4(307)5x+19x+26=194(308)5x+18x+25=163(309)19x+16x+34=349(310)14x+13x+49=130(311)5x+10x+40=325(312)7x+15x+16=280(313)5x+10x+14=44(314)7x+12x+6=158(315)7x+13x+22=242(316)7x+11x-39=195(317)4x+18x-8=124(318)10x+5x-36=69(319)17x+2x-34=99(320)4x+5x-7=263(321)4x+3x-47=16(322)2x+7x-29=223(323)5x+8x-11=184(324)12x+13x-29=196(325)18x-13x+30=75(326)18x-14x+22=54(327)7x-5x+39=91(328)16x-9x+13=27(329)8x-6x+39=53(330)11x-9x+35=65(331)5x-2x+29=98(332)12x-9x+10=31(333)17x-9x+26=106(334)18x-5x-35=43(335)11x-9x-11=21(336)11x-3x-44=92(337)8x-5x-36=33(338)8x-2x-38=82(339)8x-5x-15=36(340)7x-4x-18=18(341)15x-2x-39=117(342)12x-6x-46=50(343)1.4x+5.7x+2.7=45.3(344)7.2x+0.7x+1.7=72.8(345)4x+6.7x+3.6=89.2(346)8.9x+7x+3.8=162.8(347)4.3x+7.6x+1.7=37.4(348)1.8x+6.1x+4.7=83.7(349)5.8x+5.2x+1.4=34.4(350)8.1x+8.4x+3.4=85.9(351)4.4x+7.2x+3.1=49.5(352)58x+90x+3.5=121.9(353)65x+22x+3.6=108(354)64x+45x+4.4=37.1(355)9x+56x+0.6=33.1(356)35x+14x+4.1=131.5(357)83x+16x+3=92.1(358)32x+75x+3.9=89.5(359)33x+28x+2.4=148.8(360)91x+61x+2.6=93.8(361)7.8x+1.2x-4.5=49.5(362)0.2x+1x-2.6=107.8(363)5.3x+2.5x-3.2=12.4(364)7x+5.4x-1.4=172.2(365)4x+4.5x-0.6=16.4(366)2.5x+0.7x-0.4=31.6(367)4x+4.2x-4.7=11.7(368)5x+6.2x-4.1=175.1(369)0.6x+1.9x-0.2=49.8(370)95x+25x-2.5=93.5(371)12x+25x-2=94.2(372)34x+32x-1.9=116.9(373)79x+91x-2.5=150.5(374)15x+32x-0.2=13.9(375)95x+28x-1.6=121.4(376)15x+6x-2=82(377)11x+6x-0.6=152.4(378)5x+6x-0.4=65.6(379)9.7x-5.7x+2.9=10.9(380)1.2x-0.5x+3.7=5.1(381)6.4x-4.6x+0.6=9.6(382)7.2x-4.3x+1=18.4(383)9.6x-6.2x+0.2=17.2(384)3.3x-2.9x+2.4=12(385)0.4x-0.2x+3.6=5.4(386)9.4x-1.4x+1.2=65.2(387)2.6x-1.3x+2.8=5.4(388)11x-4x+2.8=18.2(389)47x-31x+2.4=12(390)43x-41x+2.3=5.5(391)7x-2x+3.8=34.8(392)48x-46x+2.7=6.1(393)94x-50x+2.1=28.5(394)82x-57x+0.6=25.6(395)61x-34x+4.5=39.6(396)55x-31x+4.2=13.8(397)3.9x-2.8x-0.6=13.7(398)3.2x-1.6x-0.6=15.4(399)6.4x-4.7x-3.5=1.6(400)9.1x-8.5x-1.1=1.3(401)3x-1.7x-4.2=30.9(402)5.3x-0.3x-3.2=81.8(403)4.6x-4x-3.8=1.6(404)3x-0.7x-2=37.1(405)5.1x-1.9x-3.2=28.8(406)91x-55x-3.8=28.6(407)84x-49x-1.9=33.1(408)48x-39x-0.8=17.2(409)94x-63x-3.8=27.2(410)22x-12x-2.2=20.8(411)62x-12x-4.1=50.9(412)22x-10x-3=10.2(413)58x-26x-4.4=34(414)12x-10x-3.5=9.7(415)19x+40×5=314(416)8x+28×6=248(417)5x+2×26=157(418)15x+4×11=149(419)15x+33×5=360(420)5x+9×16=194(421)12x+3×32=120(422)2x+9×10=176(423)5x+9×22=243(424)17x-5×19=41(425)8x-9×4=12(426)3x-10×3=126(427)7x-49×2=14(428)2x-5×13=13(429)6x-11×4=118(430)2x-2×26=130(431)11x-12×8=102(432)18x-3×32=66(433)0.9x+0.2×5=12.7(434)1.3x+3.7×5=30.2(435)1.6x+0.9×8=20(436)0.6x+1.7×11=25.9(437)0.2x+4.9×3=17.1(438)1.4x+0.2×35=15.4(439)0.9x+1.8×2=7.2(440)1.1x+0.4×23=14.7(441)4.9x+2.4×7=36.4(442)12x+48×0.2=21.6(443)6x+19×0.9=36.9(444)13x+16×0.9=30(445)7x+31×0.5=23.9(446)19x+21×0.8=33.9(447)35x+23×0.6=20.8(448)9x+16×1.1=27.5(449)10x+2×4=14(450)20x+7×2.5=37.5(451)1.5x-0.4×18=6.3(452)1.4x-1.2×3=2(453)0.4x-1.5×6=9.4(454)2.6x-3.3×5=1.7(455)0.7x-0.8×2=2.6(456)0.4x-2.7×2=1(457)0.7x-0.5×14=2.8(458)2.7x-0.2×17=10.1(459)0.9x-0.7×4=8(460)11x-44×0.2=4.4(461)3x-24×0.2=2.1(462)46x-2×3.4=2.4(463)4x-12×0.3=10.8(464)11x-3×1.7=9.2(465)20x-2×1.6=10.8(466)5x-2×0.5=6.5(467)5x-8×1.4=8.3(468)2x-8×0.9=2.2(469)4(22x+2)=184(470)3(8x+9)=171(471)2(25x+6)=112(472)2(x+8)=72(473)2(20x+6)=172(474)2(4x+36)=176(475)4(x+4)=132(476)2(3x+30)=132(477)3(10x+19)=147(478)4(3x-21)=180(479)2(12x-18)=84(480)2(14x-46)=104(481)9(4x-6)=90(482)13(3x-13)=182(483)9(3x-4)=99(484)9(6x-19)=153(485)5(5x-18)=160(486)3(29x-23)=105(487)2(0.6x+0.4)=17.6(488)6(2.1x+1)=43.8(489)5(0.5x+0.4)=42(490)2(0.6x+8.8)=33.2(491)3(0.8x+1.4)=13.8(492)4(1.4x+4.1)=33.2(493)5(0.3x+0.4)=6.5(494)4(0.2x+4.2)=48(495)3(x+0.3)=33.9(496)2(1.6x-8.9)=23.8(497)8(0.4x-7.2)=32(498)2(0.5x-4.9)=3.2(499)5(1.4x-6.3)=45.5(500)15(2.4x-8.7)=49.5(501)16(0.9x-7.6)=22.4(502)19(1.3x-4.3)=41.8(503)26(0.4x-8)=31.2(504)6(0.6x-1.4)=6(505)(19x+14)÷49=3(506)(16x+48)÷6=16(507)(16x+36)÷12=15(508)(7x+10)÷3=43(509)(5x+18)÷3=26(510)(16x+13)÷11=23(511)(x+17)÷5=4(512)(2x+40)÷6=13(513)(19x+20)÷21=10(514)(7x-38)÷2=65(515)(16x-32)÷6=8(516)(8x-45)÷3=17(517)(14x-42)÷21=4(518)(14x-32)÷13=18(519)(8x-40)÷15=8(520)(17x-44)÷41=1(521)(13x-31)÷28=4(522)(11x-32)÷3=37(523)(8.9x+5.6)÷32=2.4(524)(9.9x+6.6)÷21=2.2(525)(7.1x+4.8)÷6=15(526)(8.1x+1)÷10=8.2(527)(3.4x+8.9)÷21=3.5(528)(9x+4.5)÷15=5.7(529)(1.1x+2)÷9=1.2(530)(4.8x+2)÷2=34.6(531)(0.5x+1.2)÷7=1.1(532)(6x-4)÷4=11(533)(0.7x-4.5)÷2=3(534)(9.2x-6.6)÷18=2.7(535)(3.8x-9.4)÷5=11.8(536)(8.8x-5)÷2=32.7(537)(5.6x-0.4)÷2=33.4(538)(2.1x-9)÷24=0.5(539)(5.1x-5.7)÷3=1.5(540)(2.9x-0.4)÷4=2.8参考答案(1)x=78(2)x=87(3)x=96(4)x=76(5)x=8(6)x=29(7)x=81(8)x=83(9)x=95(10)x=70(11)x=94(12)x=82(13)x=84(14)x=21(15)x=65(16)x=52(17)x=86(18)x=98(19)x=1.7(20)x=8.4(21)x=8.5(22)x=0.8(23)x=4.5(24)x=7.7(25)x=4.6(26)x=8.4(27)x=8.5(28)x=4.3(29)x=8.1(30)x=5.6(31)x=5.9(32)x=4.3(33)x=7(34)x=5(35)x=9.2(36)x=6.2(37)x=17(38)x=21(39)x=46(40)x=48(41)x=5(42)x=87(43)x=45(44)x=16(45)x=90(46)x=70(47)x=4(48)x=21(49)x=4(50)x=12(51)x=22(52)x=13(53)x=7(54)x=32(55)x=7(56)x=7.6(57)x=5.9(58)x=9.4(59)x=5.2(60)x=8(61)x=6.8(62)x=3.8(63)x=9.9(64)x=3.4(65)x=4.4(66)x=4.9(67)x=5.9(68)x=3.2(69)x=2.6(70)x=4.3(71)x=0.2(72)x=3.5(73)x=3(74)x=39(75)x=82(76)x=2(77)x=5(78)x=3(79)x=5(80)x=46(81)x=9(82)x=9(83)x=4(84)x=8(85)x=2(86)x=37(87)x=2(88)x=21(89)x=58(90)x=15(91)x=0.4(92)x=0.3(93)x=1.4(94)x=0.8(95)x=0.5(96)x=5.8(97)x=8.7(98)x=0.2(99)x=3(100)x=3(101)x=24(102)x=3(103)x=70(104)x=10(105)x=2(106)x=20(107)x=83(108)x=21(109)x=45(110)x=49(111)x=42(112)x=46(113)x=23(114)x=5(115)x=37(116)x=5(117)x=12(118)x=12(119)x=174(120)x=176(121)x=174(122)x=150(123)x=119(124)x=128(125)x=144(126)x=154(127)x=16.2(128)x=18(129)x=16(130)x=15.6(131)x=8.4(132)x=16(133)x=11(134)x=19.2(135)x=9.1(136)x=20(137)x=8(138)x=5(139)x=11(140)x=13(141)x=14(142)x=6(143)x=3(144)x=12(145)x=84(146)x=6(147)x=17(148)x=98(149)x=4(150)x=25(151)x=45(152)x=10(153)x=4(154)x=1.5(155)x=3.8(156)x=0.6(157)x=0.3(158)x=6.6(159)x=0.4(160)x=0.4(161)x=0.5(162)x=0.2(163)x=12(164)x=2(165)x=3(166)x=4(167)x=15(168)x=5(169)x=14(170)x=24(171)x=33(172)x=4.8(173)x=1(174)x=0.4(175)x=0.2(176)x=6.4(177)x=1.2(178)x=1.1(179)x=0.8(180)x=5.9(181)x=10(182)x=6(183)x=17(184)x=70(185)x=5(186)x=11(187)x=46(188)x=8(189)x=21(190)x=60(191)x=58(192)x=10(193)x=7(194)x=20(195)x=27(196)x=4(197)x=3(198)x=100(199)x=3(200)x=34(201)x=32(202)x=67(203)x=4(204)x=3(205)x=52(206)x=27(207)x=9(208)x=2(209)x=83(210)x=23(211)x=3(212)x=65(213)x=44(214)x=82(215)x=42(216)x=7(217)x=5(218)x=0.7(219)x=0.2(220)x=1.2(221)x=9.8(222)x=1.3(223)x=3.8(224)x=0.2(225)x=0.6(226)x=61(227)x=25(228)x=9(229)x=18(230)x=56(231)x=7(232)x=5(233)x=9(234)x=38(235)x=0.6(236)x=3.3(237)x=0.4(238)x=0.3(239)x=0.4(240)x=0.4(241)x=0.3(242)x=2.1(243)x=0.6(244)x=6(245)x=2(246)x=8(247)x=6(248)x=2(249)x=3(250)x=2(251)x=2(252)x=13(253)x=19(254)x=6(255)x=80(256)x=66(257)x=20(258)x=12(259)x=52(260)x=56(261)x=3(262)x=0.3(263)x=0.5(264)x=0.6(265)x=0.2(266)x=9.8(267)x=0.6(268)x=0.5(269)x=0.2(270)x=1.5(271)x=5(272)x=38(273)x=8(274)x=13(275)x=18(276)x=3(277)x=22(278)x=6(279)x=13(280)x=13(281)x=3(282)x=8(283)x=10(284)x=24(285)x=9(286)x=6(287)x=7(288)x=2(289)x=19(290)x=12(291)x=5(292)x=12(293)x=27(294)x=12(295)x=3(296)x=3(297)x=5(298)x=14(299)x=5(300)x=10(301)x=5(302)x=4(303)x=7(304)x=2(305)x=6(306)x=9(307)x=7(308)x=6(309)x=9(310)x=3(311)x=19(312)x=12(313)x=2(314)x=8(315)x=11(316)x=13(317)x=6(318)x=7(319)x=7(320)x=30(321)x=9(322)x=28(323)x=15(324)x=9(325)x=9(326)x=8(327)x=26(328)x=2(329)x=7(330)x=15(331)x=23(332)x=7(333)x=10(334)x=6(335)x=16(336)x=17(337)x=23(338)x=20(339)x=17(340)x=12(341)x=12(342)x=16(343)x=6(344)x=9(345)x=8(346)x=10(347)x=3(348)x=10(349)x=3(350)x=5(351)x=4(352)x=0.8(353)x=1.2(354)x=0.3(355)x=0.5(356)x=2.6(357)x=0.9(358)x=0.8(359)x=2.4(360)x=0.6(361)x=6(362)x=92(363)x=2(364)x=14(365)x=2(366)x=10(367)x=2(368)x=16(369)x=20(370)x=0.8(371)x=2.6(372)x=1.8(373)x=0.9(374)x=0.3(375)x=1(376)x=4(377)x=9(378)x=6(379)x=2(380)x=2(381)x=5(382)x=6(383)x=5(384)x=24(385)x=9(386)x=8(387)x=2(388)x=2.2(389)x=0.6(390)x=1.6(391)x