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+77=136(2)x+17=58(3)x+64=124(4)x+43=134(5)x+39=105(6)x+84=98(7)x+15=39(8)x+4=71(9)x+86=165(10)x-35=13(11)x-33=28(12)x-23=33(13)x-5=87(14)x-35=25(15)x-34=65(16)x-46=32(17)x-81=16(18)x-56=31(19)x+4.8=8(20)x+0.7=8.2(21)x+3=8.6(22)x+7.5=11(23)x+4.2=8.9(24)x+7.1=15.3(25)x+1=3(26)x+5.4=14.6(27)x+0.8=9.7(28)x-2.7=4(29)x-0.4=3(30)x-3.3=2.4(31)x-0.7=8.4(32)x-4.5=2.8(33)x-1.9=4.2(34)x-5.5=4(35)x-1=5.4(36)x-5.8=3.9(37)88+x=136(38)19+x=57(39)43+x=142(40)8+x=103(41)74+x=154(42)78+x=143(43)33+x=94(44)23+x=74(45)28+x=127(46)71-x=11(47)90-x=12(48)71-x=60(49)82-x=28(50)78-x=57(51)63-x=36(52)91-x=62(53)73-x=28(54)69-x=43(55)2.2+x=9.2(56)7.8+x=13.5(57)8.6+x=16.5(58)3.5+x=12(59)8.5+x=16.5(60)5.5+x=8(61)8.7+x=9.6(62)4.4+x=11.5(63)9.3+x=16.6(64)9.5-x=5.5(65)8.3-x=2.5(66)5.2-x=1.7(67)9-x=8.6(68)9.2-x=5.3(69)7.5-x=7.1(70)4.7-x=3.3(71)2.2-x=1.9(72)8.1-x=3.4(73)2x=60(74)6x=102(75)4x=128(76)7x=140(77)10x=110(78)2x=8(79)5x=60(80)18x=72(81)48x=96(82)0.6x=17.4(83)2.8x=11.2(84)0.8x=11.2(85)1.2x=12(86)3.2x=6.4(87)3.4x=6.8(88)4.3x=8.6(89)0.4x=2(90)0.5x=12.5(91)19x=5.7(92)23x=13.8(93)2x=10(94)4x=9.2(95)12x=15.6(96)6x=10.2(97)17x=3.4(98)32x=6.4(99)38x=19(100)135÷x=27(101)75÷x=3(102)194÷x=2(103)130÷x=10(104)104÷x=4(105)162÷x=27(106)96÷x=3(107)63÷x=7(108)186÷x=3(109)16÷x=0.4(110)11.4÷x=0.2(111)3.6÷x=0.9(112)3÷x=1.5(113)6÷x=0.6(114)3÷x=0.3(115)16÷x=4(116)19.2÷x=1.2(117)10.5÷x=1.5(118)x÷50=2(119)x÷2=35(120)x÷7=19(121)x÷5=12(122)x÷55=3(123)x÷11=17(124)x÷36=3(125)x÷2=22(126)x÷79=2(127)x÷7=2(128)x÷6=1.9(129)x÷77=0.2(130)x÷2=3(131)x÷8=0.9(132)x÷6=0.8(133)x÷5=1.2(134)x÷23=0.8(135)x÷24=0.6(136)2x+25=55(137)9x+35=107(138)21x+48=216(139)4x+48=196(140)3x+36=216(141)33x+36=234(142)41x+11=93(143)22x+41=107(144)33x+12=78(145)3x-58=80(146)11x-55=22(147)10x-31=49(148)5x-58=77(149)21x-13=113(150)2x-54=106(151)44x-50=38(152)17x-11=125(153)8x-51=29(154)90x+5.2=23.2(155)34x+3.1=13.3(156)9x+2.4=13.2(157)27x+4.1=14.9(158)2x+4.8=8.8(159)2x+5.4=8.4(160)6x+1.5=4.5(161)83x+5.8=22.4(162)2x+5.8=25.8(163)0.2x+5.4=23(164)2.9x+3.1=17.6(165)1.5x+1.8=7.8(166)1.5x+4.5=12(167)6.2x+4.8=17.2(168)3.8x+4.5=12.1(169)5.5x+3.4=19.9(170)1.5x+5.3=18.8(171)1.3x+3.4=17.7(172)2x-2.4=17.6(173)5x-1.1=7.4(174)11x-5.1=10.3(175)11x-2=16.7(176)19x-4.1=11.1(177)37x-4=7.1(178)15x-1.2=15.3(179)14x-3.5=14.7(180)7x-1.8=12.9(181)0.3x-4.3=8(182)0.9x-3.3=5.7(183)0.2x-3.3=1.3(184)1.3x-4.7=12.2(185)0.3x-2.2=6.5(186)0.2x-4.7=14.1(187)0.6x-1.2=9(188)5.3x-4.8=11.1(189)0.8x-2.6=12.6(190)43+17x=128(191)27+8x=139(192)109+5x=289(193)17+18x=89(194)177+61x=360(195)52+75x=202(196)108+14x=276(197)60+2x=120(198)172+17x=342(199)80-3x=32(200)194-36x=86(201)190-47x=96(202)136-15x=91(203)137-16x=57(204)150-2x=90(205)182-2x=54(206)182-4x=154(207)162-2x=44(208)10.9+0.5x=29.9(209)19.1+1.1x=25.7(210)4.8+2.9x=22.2(211)11.2+1.3x=15.1(212)17.4+0.3x=25.5(213)7.4+0.2x=26.2(214)5.9+8.6x=23.1(215)19.8+1x=32.8(216)16+4.6x=34.4(217)13.3+94x=32.1(218)14.8+3x=29.8(219)9.1+4x=23.5(220)8.2+6x=19(221)11.3+7x=16.2(222)1.9+9x=19(223)17.9+3x=29(224)13.6+3x=18.4(225)13.4+20x=19.4(226)12-0.2x=7.4(227)14.6-2.1x=4.1(228)16.6-0.6x=8.8(229)19.9-1.2x=12.7(230)17.9-5.6x=1.1(231)19.3-8.8x=1.7(232)18-0.4x=1.6(233)18.5-0.9x=8.6(234)17.9-0.9x=5.3(235)13.3-30x=4.3(236)18.5-59x=6.7(237)15.4-4x=3(238)17.1-19x=7.6(239)17.6-28x=3.6(240)11.5-17x=8.1(241)19.4-59x=7.6(242)5.9-2x=4.9(243)17.7-3x=6.3(244)4x÷3=28(245)16x÷80=2(246)14x÷3=28(247)18x÷4=27(248)2x÷4=44(249)6x÷99=2(250)27x÷9=6(251)30x÷6=25(252)12x÷4=42(253)0.2x÷24=0.5(254)0.8x÷4=3.6(255)5.5x÷10=1.1(256)0.9x÷18=0.8(257)2.2x÷44=0.4(258)1.6x÷44=0.4(259)0.2x÷13=0.6(260)0.4x÷12=1.2(261)1x÷40=0.5(262)16x÷22=0.8(263)2x÷3=3.2(264)2x÷3=4(265)10x÷2=4.5(266)18x÷24=0.6(267)22x÷33=0.2(268)20x÷8=0.5(269)18x÷90=0.2(270)4x÷9=0.8(271)16x+6x=66(272)14x+16x=210(273)13x+18x=341(274)16x+11x=270(275)17x+16x=132(276)6x+5x=22(277)11x+17x=224(278)18x+14x=352(279)8x+10x=306(280)8x-2x=42(281)6x-2x=12(282)19x-12x=49(283)14x-5x=63(284)19x-15x=16(285)13x-6x=77(286)15x-11x=52(287)18x-16x=14(288)4x-2x=76(289)0.4x+1.6x=12(290)4.9x+1.4x=18.9(291)1.6x+5x=99(292)0.6x+2.7x=99(293)0.9x+1x=171(294)0.4x+1.1x=30(295)5.2x+8.7x=83.4(296)1.1x+2.5x=50.4(297)3.4x+2.4x=69.6(298)6.1x-0.7x=10.8(299)6.5x-5.1x=7(300)4.8x-4.4x=7.6(301)4.7x-1.2x=24.5(302)9.2x-3x=24.8(303)1.3x-1x=21.6(304)9.7x-7.2x=10(305)4.3x-2.1x=8.8(306)6.6x-2.7x=54.6(307)3x+7x+35=205(308)7x+3x+16=156(309)14x+15x+19=396(310)2x+3x+17=117(311)19x+11x+27=207(312)7x+6x+46=306(313)2x+4x+32=134(314)4x+3x+31=283(315)3x+8x+42=284(316)10x+15x-7=93(317)9x+16x-41=259(318)6x+4x-33=227(319)3x+4x-32=136(320)8x+12x-38=22(321)9x+12x-17=277(322)3x+8x-46=31(323)7x+6x-10=120(324)18x+11x-4=170(325)10x-8x+10=38(326)11x-6x+15=40(327)12x-2x+35=85(328)12x-7x+3=13(329)11x-3x+17=113(330)19x-9x+48=148(331)6x-4x+43=57(332)6x-2x+23=67(333)6x-3x+11=62(334)7x-2x-15=80(335)5x-2x-20=73(336)9x-3x-3=105(337)17x-9x-4=52(338)8x-3x-24=71(339)5x-2x-4=59(340)14x-2x-41=55(341)12x-5x-3=74(342)7x-2x-48=67(343)6x+6.2x+3.8=138(344)0.6x+8.8x+3.9=69.7(345)0.2x+4.5x+4.6=28.1(346)4.6x+6.8x+2.4=70.8(347)8.9x+8x+4.6=173.6(348)0.2x+2.2x+0.3=45.9(349)4.1x+2.3x+1.8=14.6(350)2.1x+6.6x+1.9=106.3(351)4.1x+3.6x+3.9=173.3(352)66x+58x+4.1=41.3(353)35x+97x+3.9=30.3(354)17x+90x+3.3=110.3(355)30x+33x+3.5=53.9(356)2x+64x+1.1=47.3(357)52x+48x+2.4=142.4(358)83x+51x+0.6=161.4(359)50x+95x+1.5=117.5(360)11x+16x+3.8=55.1(361)3.5x+6.5x-1.4=78.6(362)1.7x+7.7x-1.3=111.5(363)1.8x+5x-2.9=17.5(364)7.7x+3.9x-3=20.2(365)2.1x+3.6x-0.4=96.5(366)3.9x+1.9x-4=13.4(367)7.1x+8.1x-4.8=101.6(368)1x+1.9x-4.7=15.6(369)5.4x+0.7x-1.2=102.5(370)33x+21x-1.6=90.2(371)18x+14x-3.3=28.7(372)55x+47x-2.9=180.7(373)12x+41x-4.9=53.4(374)7x+19x-4.1=110.3(375)21x+48x-4.3=99.2(376)19x+52x-1.8=19.5(377)34x+7x-2=34.9(378)11x+55x-3.4=49.4(379)5.5x-1.3x+3.3=15.9(380)7.8x-1.3x+2.6=54.6(381)8.5x-6.5x+0.6=18.6(382)3.2x-2.5x+0.2=15.6(383)3.3x-1.7x+3.1=39.9(384)9.8x-1.3x+1.6=44.1(385)6x-4.6x+0.3=5.9(386)4x-1.5x+0.7=18.2(387)4.7x-0.6x+0.6=74.4(388)90x-79x+0.7=7.3(389)30x-28x+4.3=5.9(390)57x-14x+0.3=47.6(391)16x-13x+0.3=12(392)18x-7x+1.7=29.2(393)78x-34x+4.9=48.9(394)21x-19x+3.6=9(395)39x-29x+3.9=8.9(396)78x-56x+1.8=21.6(397)3.3x-1.6x-0.4=25.1(398)4.7x-2.6x-1.3=17.6(399)6.5x-0.7x-3.8=77.4(400)1.8x-1.6x-2.5=2.9(401)5.7x-2x-1.9=49.9(402)7.3x-4x-4.9=18.2(403)1.8x-0.4x-1.4=35(404)5.8x-3.6x-2.3=6.5(405)3.5x-2.8x-0.8=17.4(406)61x-7x-3.6=50.4(407)59x-50x-1.1=13.3(408)24x-7x-4.9=30.8(409)57x-10x-2.8=16(410)98x-78x-3.1=14.9(411)33x-10x-4.7=13.7(412)41x-19x-4.2=2.4(413)97x-81x-1.3=6.7(414)19x-15x-3=4.2(415)11x+57×2=158(416)3x+12×14=213(417)2x+5×40=282(418)17x+34×2=221(419)10x+4×7=218(420)4x+11×9=295(421)6x+6×22=246(422)2x+2×44=214(423)6x+25×5=215(424)8x-26×4=24(425)3x-2×14=23(426)16x-5×22=18(427)14x-9×4=90(428)4x-17×2=74(429)12x-3×34=90(430)20x-22×5=30(431)8x-17×3=21(432)5x-11×2=173(433)1.7x+0.2×37=15.9(434)0.7x+0.5×39=25.8(435)2.1x+4×4=28.6(436)0.2x+0.6×12=10.4(437)4.4x+0.5×20=18.8(438)0.4x+1.5×13=34.3(439)1.1x+3.1×4=25.6(440)1.7x+0.2×40=19.9(441)1.2x+0.4×22=28(442)37x+19×0.4=18.7(443)2x+7×1.9=22.7(444)15x+14×0.7=17.3(445)24x+37×0.5=30.5(446)20x+3×4.5=19.5(447)26x+3×3.8=29.6(448)2x+12×0.4=5.6(449)3x+21×0.8=26.1(450)23x+8×2.4=37.6(451)1.9x-3.1×5=3.5(452)1.4x-3.7×2=3.8(453)1.1x-0.2×3=14.8(454)1.4x-0.3×20=5.2(455)2.7x-0.3×2=4.8(456)2x-0.2×24=5.2(457)0.4x-2.1×2=10.2(458)0.4x-2.7×6=2.6(459)0.3x-1×4=5.3(460)3x-3×0.4=9.9(461)3x-3×1.5=3.9(462)45x-3×2=12(463)15x-10×0.3=15(464)9x-29×0.4=1(465)17x-7×0.5=10.1(466)48x-6×1=8.4(467)4x-3×1.8=13.4(468)2x-11×0.2=7(469)2(14x+48)=152(470)5(x+16)=180(471)3(3x+29)=123(472)3(4x+42)=186(473)6(3x+11)=156(474)9(5x+6)=189(475)3(20x+19)=177(476)4(x+8)=68(477)7(2x+14)=168(478)2(2x-15)=86(479)10(23x-30)=160(480)2(2x-22)=20(481)7(12x-32)=196(482)10(x-12)=150(483)2(3x-36)=66(484)5(7x-28)=140(485)7(4x-14)=182(486)5(5x-32)=115(487)2(0.2x+5.8)=20.8(488)3(0.2x+8.3)=26.1(489)5(2.9x+2.9)=43.5(490)9(0.7x+2.9)=38.7(491)7(1.5x+3.1)=42.7(492)3(0.4x+2.9)=24.3(493)2(0.5x+6.9)=18.8(494)3(0.3x+2.7)=36(495)5(0.3x+7.4)=46(496)6(2.5x-4.4)=18.6(497)8(0.6x-2.8)=30.4(498)4(1.1x-6.7)=30.4(499)9(1.5x-0.9)=32.4(500)2(0.6x-6.8)=41.6(501)7(3.7x-4.9)=17.5(502)5(0.3x-5.9)=42.5(503)5(5.1x-7.2)=40.5(504)20(0.5x-8.5)=30(505)(x+10)÷28=1(506)(10x+38)÷6=23(507)(2x+33)÷5=9(508)(4x+38)÷2=73(509)(17x+21)÷24=3(510)(14x+8)÷4=44(511)(13x+4)÷3=36(512)(3x+7)÷13=4(513)(3x+39)÷9=13(514)(9x-45)÷9=12(515)(7x-41)÷22=1(516)(12x-35)÷7=7(517)(17x-45)÷9=12(518)(6x-48)÷16=3(519)(3x-42)÷33=1(520)(7x-3)÷34=3(521)(4x-48)÷2=26(522)(7x-8)÷20=1(523)(5.4x+2.7)÷33=0.9(524)(1.9x+4)÷6=5.1(525)(0.7x+4.8)÷10=0.9(526)(9.5x+0.2)÷24=0.8(527)(0.2x+3.4)÷9=0.8(528)(0.2x+9.5)÷7=1.7(529)(1.6x+9.3)÷3=12.7(530)(9.8x+4.8)÷15=6.2(531)(3.3x+9.6)÷2=34.5(532)(5.6x-9.8)÷6=10.5(533)(8x-8.2)÷2=31.9(534)(2.4x-1.4)÷2=8.9(535)(3.8x-0.9)÷31=2.3(536)(6.3x-2.7)÷32=0.9(537)(2x-4.8)÷19=0.8(538)(3.2x-6.4)÷3=6.4(539)(x-6.8)÷3=3.4(540)(5.9x-3.2)÷3=18.6参考答案(1)x=59(2)x=41(3)x=60(4)x=91(5)x=66(6)x=14(7)x=24(8)x=67(9)x=79(10)x=48(11)x=61(12)x=56(13)x=92(14)x=60(15)x=99(16)x=78(17)x=97(18)x=87(19)x=3.2(20)x=7.5(21)x=5.6(22)x=3.5(23)x=4.7(24)x=8.2(25)x=2(26)x=9.2(27)x=8.9(28)x=6.7(29)x=3.4(30)x=5.7(31)x=9.1(32)x=7.3(33)x=6.1(34)x=9.5(35)x=6.4(36)x=9.7(37)x=48(38)x=38(39)x=99(40)x=95(41)x=80(42)x=65(43)x=61(44)x=51(45)x=99(46)x=60(47)x=78(48)x=11(49)x=54(50)x=21(51)x=27(52)x=29(53)x=45(54)x=26(55)x=7(56)x=5.7(57)x=7.9(58)x=8.5(59)x=8(60)x=2.5(61)x=0.9(62)x=7.1(63)x=7.3(64)x=4(65)x=5.8(66)x=3.5(67)x=0.4(68)x=3.9(69)x=0.4(70)x=1.4(71)x=0.3(72)x=4.7(73)x=30(74)x=17(75)x=32(76)x=20(77)x=11(78)x=4(79)x=12(80)x=4(81)x=2(82)x=29(83)x=4(84)x=14(85)x=10(86)x=2(87)x=2(88)x=2(89)x=5(90)x=25(91)x=0.3(92)x=0.6(93)x=5(94)x=2.3(95)x=1.3(96)x=1.7(97)x=0.2(98)x=0.2(99)x=0.5(100)x=5(101)x=25(102)x=97(103)x=13(104)x=26(105)x=6(106)x=32(107)x=9(108)x=62(109)x=40(110)x=57(111)x=4(112)x=2(113)x=10(114)x=10(115)x=4(116)x=16(117)x=7(118)x=100(119)x=70(120)x=133(121)x=60(122)x=165(123)x=187(124)x=108(125)x=44(126)x=158(127)x=14(128)x=11.4(129)x=15.4(130)x=6(131)x=7.2(132)x=4.8(133)x=6(134)x=18.4(135)x=14.4(136)x=15(137)x=8(138)x=8(139)x=37(140)x=60(141)x=6(142)x=2(143)x=3(144)x=2(145)x=46(146)x=7(147)x=8(148)x=27(149)x=6(150)x=80(151)x=2(152)x=8(153)x=10(154)x=0.2(155)x=0.3(156)x=1.2(157)x=0.4(158)x=2(159)x=1.5(160)x=0.5(161)x=0.2(162)x=10(163)x=88(164)x=5(165)x=4(166)x=5(167)x=2(168)x=2(169)x=3(170)x=9(171)x=11(172)x=10(173)x=1.7(174)x=1.4(175)x=1.7(176)x=0.8(177)x=0.3(178)x=1.1(179)x=1.3(180)x=2.1(181)x=41(182)x=10(183)x=23(184)x=13(185)x=29(186)x=94(187)x=17(188)x=3(189)x=19(190)x=5(191)x=14(192)x=36(193)x=4(194)x=3(195)x=2(196)x=12(197)x=30(198)x=10(199)x=16(200)x=3(201)x=2(202)x=3(203)x=5(204)x=30(205)x=64(206)x=7(207)x=59(208)x=38(209)x=6(210)x=6(211)x=3(212)x=27(213)x=94(214)x=2(215)x=13(216)x=4(217)x=0.2(218)x=5(219)x=3.6(220)x=1.8(221)x=0.7(222)x=1.9(223)x=3.7(224)x=1.6(225)x=0.3(226)x=23(227)x=5(228)x=13(229)x=6(230)x=3(231)x=2(232)x=41(233)x=11(234)x=14(235)x=0.3(236)x=0.2(237)x=3.1(238)x=0.5(239)x=0.5(240)x=0.2(241)x=0.2(242)x=0.5(243)x=3.8(244)x=21(245)x=10(246)x=6(247)x=6(248)x=88(249)x=33(250)x=2(251)x=5(252)x=14(253)x=60(254)x=18(255)x=2(256)x=16(257)x=8(258)x=11(259)x=39(260)x=36(261)x=20(262)x=1.1(263)x=4.8(264)x=6(265)x=0.9(266)x=0.8(267)x=0.3(268)x=0.2(269)x=1(270)x=1.8(271)x=3(272)x=7(273)x=11(274)x=10(275)x=4(276)x=2(277)x=8(278)x=11(279)x=17(280)x=7(281)x=3(282)x=7(283)x=7(284)x=4(285)x=11(286)x=13(287)x=7(288)x=38(289)x=6(290)x=3(291)x=15(292)x=30(293)x=90(294)x=20(295)x=6(296)x=14(297)x=12(298)x=2(299)x=5(300)x=19(301)x=7(302)x=4(303)x=72(304)x=4(305)x=4(306)x=14(307)x=17(308)x=14(309)x=13(310)x=20(311)x=6(312)x=20(313)x=17(314)x=36(315)x=22(316)x=4(317)x=12(318)x=26(319)x=24(320)x=3(321)x=14(322)x=7(323)x=10(324)x=6(325)x=14(326)x=5(327)x=5(328)x=2(329)x=12(330)x=10(331)x=7(332)x=11(333)x=17(334)x=19(335)x=31(336)x=18(337)x=7(338)x=19(339)x=21(340)x=8(341)x=11(342)x=23(343)x=11(344)x=7(345)x=5(346)x=6(347)x=10(348)x=19(349)x=2(350)x=12(351)x=22(352)x=0.3(353)x=0.2(354)x=1(355)x=0.8(356)x=0.7(357)x=1.4(358)x=1.2(359)x=0.8(360)x=1.9(361)x=8(362)x=12(363)x=3(364)x=2(365)x=17(366)x=3(367)x=7(368)x=7(369)x=17(370)x=1.7(371)x=1(372)x=1.8(373)x=1.1(374)x=4.4(375)x=1.5(376)x=0.3(377)x=0.9(378)x=0.8(379)x=3(380)x=8(381)x=9(382)x=22(383)x=23(384)x=5(385)x=4(386)x=7(387)x=18(388)x=0.6(389)x=0.8(390)x=1.1(391)x=3.9(392)x