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+46=96(2)x+20=27(3)x+88=90(4)x+73=131(5)x+85=126(6)x+21=75(7)x+8=22(8)x+61=157(9)x+61=140(10)x-24=70(11)x-60=11(12)x-2=85(13)x-20=19(14)x-3=90(15)x-68=17(16)x-7=44(17)x-77=22(18)x-7=77(19)x+9.8=16.2(20)x+7.3=15.7(21)x+4.5=6.8(22)x+5.3=15.2(23)x+7.3=13.8(24)x+9.5=15.6(25)x+4.8=14.6(26)x+7.5=16.3(27)x+4.6=10.6(28)x-4.2=3.2(29)x-0.2=6.8(30)x-4.2=5.3(31)x-1.4=2.6(32)x-4.2=3.7(33)x-2.6=1.6(34)x-1.7=2.9(35)x-2.9=1.8(36)x-1.5=7.1(37)49+x=102(38)96+x=129(39)76+x=142(40)22+x=107(41)96+x=98(42)62+x=126(43)49+x=90(44)23+x=29(45)50+x=68(46)93-x=21(47)70-x=32(48)82-x=21(49)57-x=20(50)77-x=70(51)67-x=61(52)62-x=21(53)72-x=38(54)91-x=89(55)2.6+x=9.4(56)4.7+x=8.4(57)8.7+x=15.3(58)4.1+x=4.4(59)1.7+x=11.1(60)8.6+x=9.8(61)7+x=11.5(62)0.7+x=9.6(63)1+x=9.1(64)5.5-x=5(65)6.1-x=2.5(66)6.9-x=3.5(67)7-x=4.9(68)6.7-x=6.1(69)9.4-x=6.8(70)4.3-x=1(71)9-x=3.5(72)9.6-x=4.1(73)11x=176(74)19x=57(75)9x=135(76)5x=85(77)2x=136(78)3x=96(79)38x=114(80)19x=114(81)6x=186(82)0.4x=18.8(83)0.3x=17.1(84)3.2x=16(85)2.5x=15(86)0.5x=11(87)1.1x=6.6(88)6.6x=13.2(89)3x=15(90)5.2x=10.4(91)11x=16.5(92)2x=19(93)3x=9(94)4x=6(95)2x=7.8(96)10x=16(97)2x=4.2(98)9x=11.7(99)16x=11.2(100)57÷x=19(101)80÷x=5(102)54÷x=2(103)38÷x=19(104)99÷x=9(105)198÷x=2(106)105÷x=5(107)30÷x=10(108)28÷x=7(109)10.6÷x=0.2(110)13.2÷x=4.4(111)17÷x=0.2(112)18÷x=3(113)15÷x=0.5(114)19.2÷x=2.4(115)18.2÷x=0.2(116)19.8÷x=0.3(117)16.8÷x=4.2(118)x÷7=18(119)x÷61=2(120)x÷3=35(121)x÷7=22(122)x÷2=20(123)x÷7=9(124)x÷6=22(125)x÷5=34(126)x÷18=6(127)x÷49=0.2(128)x÷2=4.7(129)x÷18=1.1(130)x÷3=3.1(131)x÷10=0.5(132)x÷19=1(133)x÷14=0.6(134)x÷40=0.4(135)x÷25=0.3(136)20x+24=124(137)11x+17=116(138)8x+41=177(139)2x+46=68(140)63x+18=207(141)4x+26=78(142)4x+46=70(143)6x+57=69(144)67x+35=169(145)7x-35=63(146)2x-52=138(147)92x-20=164(148)30x-41=139(149)19x-56=39(150)3x-11=157(151)3x-33=66(152)5x-20=175(153)15x-30=75(154)2x+3.1=16.1(155)11x+3.9=17.1(156)2x+5=9.2(157)6x+3.8=16.4(158)31x+4.3=13.6(159)25x+3.2=23.2(160)17x+2.1=10.6(161)10x+5.4=7.4(162)3x+5.9=8.9(163)3.4x+5.9=19.5(164)0.3x+4.3=16.6(165)1.8x+1.7=21.5(166)7.7x+1.7=17.1(167)0.2x+1.5=4.1(168)0.6x+2.8=16.6(169)2.4x+5.4=24.6(170)1.5x+1.2=10.2(171)4.7x+4.8=18.9(172)38x-1.8=17.2(173)37x-5=6.1(174)3x-3.5=1.6(175)36x-1.1=13.3(176)12x-1.3=11.9(177)2x-2.3=10.7(178)8x-3.8=13(179)77x-4.6=10.8(180)17x-1.4=12.2(181)0.5x-2.4=2.6(182)2.7x-3.5=7.3(183)0.3x-3.3=10.5(184)2x-4.5=13.5(185)0.4x-1.1=18.5(186)4x-2.2=13.8(187)0.8x-5.2=4.4(188)1.3x-4.8=5.6(189)8.5x-3.2=13.8(190)153+7x=251(191)189+5x=344(192)170+6x=350(193)109+33x=175(194)170+9x=305(195)143+13x=182(196)157+22x=311(197)138+23x=276(198)162+18x=342(199)179-20x=39(200)144-17x=93(201)163-2x=107(202)136-4x=48(203)182-5x=112(204)46-9x=10(205)191-33x=125(206)130-4x=122(207)191-45x=56(208)19.6+0.2x=33(209)6.9+0.7x=19.5(210)13.9+4.2x=26.5(211)12.5+0.5x=26(212)18.4+9.6x=37.6(213)7.6+4.6x=21.4(214)14.8+0.4x=25.6(215)19.9+0.4x=35.1(216)9.6+3x=21.6(217)1.2+4x=3.2(218)6.3+3x=17.4(219)17.3+7x=21.5(220)5.2+39x=13(221)7.5+10x=18.5(222)7.3+68x=20.9(223)9.3+2x=18.5(224)1.1+2x=7.9(225)11.7+45x=25.2(226)16.1-6.4x=3.3(227)19.8-1.8x=16.2(228)14.8-0.4x=4.8(229)13.4-0.4x=11.8(230)14.9-1.7x=9.8(231)17.4-0.5x=13.4(232)10.2-3.4x=3.4(233)11.3-2.3x=2.1(234)14.1-0.2x=3.5(235)7.2-10x=5.2(236)10.7-15x=4.7(237)19.2-7x=15.7(238)9.5-4x=6.3(239)17.7-2x=5.9(240)17.5-12x=3.1(241)16.9-2x=1.5(242)13.9-5x=7.9(243)7.9-3x=6.7(244)7x÷2=49(245)92x÷4=46(246)90x÷20=9(247)7x÷4=28(248)45x÷27=5(249)10x÷5=8(250)10x÷8=15(251)35x÷7=25(252)9x÷5=36(253)1.3x÷2=2.6(254)1.5x÷3=2(255)6.6x÷22=0.9(256)1.2x÷20=0.6(257)1.2x÷5=2.4(258)0.4x÷2=4(259)0.2x÷37=0.4(260)1.1x÷6=2.2(261)7x÷10=1.4(262)2x÷20=0.8(263)24x÷4=1.2(264)11x÷8=2.2(265)8x÷7=2.4(266)20x÷8=0.5(267)21x÷14=1.2(268)2x÷8=1.5(269)2x÷14=1.2(270)39x÷65=0.3(271)14x+8x=242(272)19x+13x=256(273)14x+19x=99(274)11x+7x=270(275)17x+16x=297(276)15x+6x=210(277)10x+9x=76(278)6x+7x=182(279)13x+3x=176(280)12x-5x=112(281)7x-4x=75(282)8x-6x=14(283)12x-2x=110(284)16x-5x=22(285)9x-7x=22(286)9x-5x=72(287)19x-16x=12(288)4x-2x=28(289)5.5x+1.9x=125.8(290)2x+7.3x=27.9(291)1.7x+1.8x=150.5(292)5.1x+0.9x=78(293)7.1x+7.8x=104.3(294)2.1x+1.7x=60.8(295)0.8x+1.3x=18.9(296)4.9x+5.9x=21.6(297)0.6x+2.5x=74.4(298)7.8x-2.2x=39.2(299)4.2x-3.9x=4.8(300)1.1x-0.5x=37.8(301)9.2x-7.8x=4.2(302)9.1x-5.1x=28(303)3x-0.3x=62.1(304)9.3x-1.7x=38(305)5.8x-2x=22.8(306)1.1x-0.7x=9.2(307)19x+12x+9=71(308)19x+6x+40=115(309)6x+10x+6=70(310)3x+7x+18=158(311)4x+6x+21=341(312)11x+6x+21=106(313)16x+3x+35=168(314)16x+12x+14=210(315)12x+8x+17=217(316)5x+3x-10=294(317)6x+9x-15=285(318)7x+3x-27=63(319)9x+2x-31=167(320)3x+5x-16=16(321)8x+18x-5=255(322)10x+6x-36=188(323)11x+4x-8=202(324)19x+9x-5=135(325)14x-3x+36=157(326)16x-5x+7=73(327)18x-16x+46=66(328)19x-9x+31=101(329)12x-4x+5=61(330)14x-5x+23=59(331)6x-4x+20=62(332)5x-3x+45=125(333)5x-2x+44=122(334)8x-2x-29=25(335)11x-5x-29=25(336)9x-6x-10=38(337)16x-3x-15=11(338)13x-3x-8=52(339)13x-4x-47=88(340)15x-7x-16=16(341)17x-13x-6=10(342)9x-2x-29=125(343)9.9x+3.7x+0.8=28(344)7.2x+3.1x+1.3=42.5(345)3.2x+1.1x+4=124.4(346)0.4x+5.4x+3.2=90.2(347)5.2x+4.6x+1=99(348)0.7x+5x+3.1=14.5(349)0.6x+1.3x+3.4=16.7(350)1.4x+2.6x+2.6=14.6(351)2.2x+9.8x+2.3=62.3(352)38x+75x+1.2=114.2(353)35x+4x+1.7=71.9(354)40x+4x+0.6=84.2(355)49x+96x+4.6=149.6(356)12x+30x+2.8=36.4(357)89x+43x+3.1=42.7(358)77x+78x+4.4=128.4(359)15x+10x+2.9=157.9(360)13x+41x+2.8=78.4(361)7.8x+3x-4.2=125.4(362)5x+5.6x-2.1=156.9(363)3.1x+2.5x-3.9=63.3(364)7.5x+3.6x-3.1=63.5(365)9.3x+4.4x-0.7=95.2(366)1.1x+0.6x-4.5=111.1(367)1.1x+3.4x-4.8=8.7(368)2.3x+1.7x-1.5=166.5(369)0.8x+0.3x-1.6=77.6(370)70x+80x-1.6=58.4(371)87x+77x-0.6=163.4(372)5x+21x-4.2=84.2(373)94x+11x-1.2=40.8(374)23x+78x-3.5=77.3(375)5x+93x-4.8=14.8(376)22x+2x-4.2=72.6(377)47x+59x-1.7=72.5(378)51x+40x-0.8=72(379)7.8x-7x+1.9=4.3(380)9.2x-6.5x+1=22.6(381)9.5x-2.3x+4.3=33.1(382)0.9x-0.2x+2.4=58.4(383)7.8x-2.1x+4.1=15.5(384)9.9x-3.2x+3.7=30.5(385)7.3x-5.9x+0.7=13.3(386)2.6x-2.3x+4.1=10.4(387)8.2x-1.7x+0.6=52.6(388)46x-18x+1.1=48.7(389)88x-41x+4.4=23.2(390)17x-7x+3=60(391)87x-15x+2.2=81.4(392)97x-82x+0.8=8.3(393)61x-53x+0.4=9.2(394)21x-19x+2.5=7.3(395)91x-10x+0.4=73.3(396)95x-15x+1.3=49.3(397)0.8x-0.3x-1.9=39.6(398)7.9x-7x-2=4.3(399)1.9x-1x-0.8=7.3(400)9.8x-6.8x-2.5=3.5(401)5.5x-2x-1.3=5.7(402)6.1x-2.1x-3.4=28.6(403)6.6x-3.5x-4.5=38.9(404)1.4x-0.2x-4.6=69.8(405)1.2x-0.5x-4=41.5(406)71x-22x-2=32.3(407)35x-8x-2.2=73.4(408)79x-35x-4.3=35.3(409)67x-18x-4.8=9.9(410)89x-84x-2=3(411)28x-3x-4.3=10.7(412)98x-92x-0.8=1(413)15x-11x-2=9.2(414)43x-4x-1.9=41(415)2x+28×5=264(416)10x+6×4=114(417)7x+47×3=281(418)20x+33×3=279(419)17x+15×4=111(420)9x+2×10=38(421)17x+4×3=131(422)4x+6×8=196(423)2x+15×13=359(424)4x-2×58=72(425)2x-27×3=21(426)2x-5×13=15(427)13x-13×7=91(428)9x-4×5=142(429)14x-5×7=35(430)15x-2×27=36(431)2x-3×24=64(432)17x-11×7=110(433)0.3x+3.3×4=20.1(434)4.7x+1.4×3=13.6(435)0.4x+1.9×8=26.8(436)3x+0.5×2=16(437)0.5x+0.6×31=23.6(438)0.7x+0.6×33=23.3(439)0.5x+1.2×15=25.5(440)0.3x+0.3×43=21.9(441)2.2x+0.3×8=20(442)10x+3×4.1=18.3(443)11x+34×0.5=32.4(444)4x+5×1.1=21.1(445)8x+3×3.2=17.6(446)4x+6×2.4=16.8(447)3x+12×1.6=27.9(448)37x+14×0.9=27.4(449)11x+8×1.3=24.7(450)16x+12×0.5=14(451)2.4x-0.2×18=8.4(452)4.4x-0.3×23=10.7(453)1x-2.4×4=7.4(454)0.5x-0.3×14=4.3(455)1.7x-0.9×4=10(456)0.3x-0.4×7=1.7(457)4.7x-0.9×11=4.2(458)0.2x-0.4×6=7(459)1.7x-0.2×44=8.2(460)49x-7×1.5=4.2(461)6x-15×0.5=9.9(462)3x-3×0.5=4.2(463)28x-29×0.2=8.2(464)4x-28×0.2=6(465)18x-18×0.4=3.6(466)19x-4×2.8=5.9(467)18x-12×0.9=3.6(468)24x-14×1.3=1(469)4(6x+11)=140(470)2(7x+23)=200(471)4(x+9)=76(472)2(3x+15)=108(473)2(x+11)=106(474)5(x+4)=125(475)3(4x+16)=120(476)2(2x+4)=124(477)2(6x+11)=130(478)9(7x-30)=108(479)2(8x-48)=64(480)6(4x-38)=108(481)4(25x-10)=160(482)6(7x-10)=108(483)13(x-6)=130(484)2(x-35)=20(485)13(4x-49)=143(486)11(2x-10)=176(487)5(1.1x+5.6)=44.5(488)2(3.3x+9.4)=38.6(489)15(0.5x+2.1)=46.5(490)3(4.6x+4.2)=40.2(491)2(4.7x+1.1)=21(492)7(0.4x+2.6)=23.8(493)7(2.8x+1.2)=47.6(494)2(5.2x+1.2)=44(495)2(0.9x+7.4)=45.4(496)11(4.8x-7)=28.6(497)3(0.4x-1.6)=12(498)3(8.2x-7.2)=27.6(499)3(1.4x-0.6)=40.2(500)3(3.3x-0.6)=18(501)10(3.7x-4.6)=28(502)2(0.4x-5.8)=8.4(503)2(1.7x-1.4)=27.8(504)15(0.3x-1.1)=24(505)(2x+42)÷4=20(506)(3x+33)÷3=28(507)(3x+23)÷5=7(508)(8x+22)÷3=42(509)(9x+5)÷23=10(510)(5x+13)÷26=3(511)(18x+6)÷3=62(512)(x+36)÷13=4(513)(8x+6)÷22=1(514)(7x-40)÷25=4(515)(12x-16)÷2=94(516)(12x-36)÷12=6(517)(4x-42)÷3=18(518)(5x-8)÷19=3(519)(12x-8)÷8=20(520)(10x-16)÷38=3(521)(19x-20)÷21=9(522)(6x-4)÷7=8(523)(5.8x+4.7)÷9=3.1(524)(5.1x+4.4)÷2=7.3(525)(8.6x+3)÷8=7.9(526)(8.9x+2.2)÷15=4.3(527)(0.9x+8.7)÷8=2.1(528)(2.9x+7)÷17=2.8(529)(3.3x+6.9)÷15=0.9(530)(2.8x+5.8)÷13=2.6(531)(0.9x+8.9)÷4=2.9(532)(2.5x-5.1)÷21=1.9(533)(5.6x-1.8)÷9=5.4(534)(7.8x-9)÷10=3(535)(6.2x-2.8)÷14=2.9(536)(5.6x-3)÷15=5.4(537)(4.6x-9.4)÷8=1.7(538)(4.7x-2.9)÷4=2.8(539)(2.9x-5.3)÷3=2.1(540)(0.7x-4.9)÷2=2.8参考答案(1)x=50(2)x=7(3)x=2(4)x=58(5)x=41(6)x=54(7)x=14(8)x=96(9)x=79(10)x=94(11)x=71(12)x=87(13)x=39(14)x=93(15)x=85(16)x=51(17)x=99(18)x=84(19)x=6.4(20)x=8.4(21)x=2.3(22)x=9.9(23)x=6.5(24)x=6.1(25)x=9.8(26)x=8.8(27)x=6(28)x=7.4(29)x=7(30)x=9.5(31)x=4(32)x=7.9(33)x=4.2(34)x=4.6(35)x=4.7(36)x=8.6(37)x=53(38)x=33(39)x=66(40)x=85(41)x=2(42)x=64(43)x=41(44)x=6(45)x=18(46)x=72(47)x=38(48)x=61(49)x=37(50)x=7(51)x=6(52)x=41(53)x=34(54)x=2(55)x=6.8(56)x=3.7(57)x=6.6(58)x=0.3(59)x=9.4(60)x=1.2(61)x=4.5(62)x=8.9(63)x=8.1(64)x=0.5(65)x=3.6(66)x=3.4(67)x=2.1(68)x=0.6(69)x=2.6(70)x=3.3(71)x=5.5(72)x=5.5(73)x=16(74)x=3(75)x=15(76)x=17(77)x=68(78)x=32(79)x=3(80)x=6(81)x=31(82)x=47(83)x=57(84)x=5(85)x=6(86)x=22(87)x=6(88)x=2(89)x=5(90)x=2(91)x=1.5(92)x=9.5(93)x=3(94)x=1.5(95)x=3.9(96)x=1.6(97)x=2.1(98)x=1.3(99)x=0.7(100)x=3(101)x=16(102)x=27(103)x=2(104)x=11(105)x=99(106)x=21(107)x=3(108)x=4(109)x=53(110)x=3(111)x=85(112)x=6(113)x=30(114)x=8(115)x=91(116)x=66(117)x=4(118)x=126(119)x=122(120)x=105(121)x=154(122)x=40(123)x=63(124)x=132(125)x=170(126)x=108(127)x=9.8(128)x=9.4(129)x=19.8(130)x=9.3(131)x=5(132)x=19(133)x=8.4(134)x=16(135)x=7.5(136)x=5(137)x=9(138)x=17(139)x=11(140)x=3(141)x=13(142)x=6(143)x=2(144)x=2(145)x=14(146)x=95(147)x=2(148)x=6(149)x=5(150)x=56(151)x=33(152)x=39(153)x=7(154)x=6.5(155)x=1.2(156)x=2.1(157)x=2.1(158)x=0.3(159)x=0.8(160)x=0.5(161)x=0.2(162)x=1(163)x=4(164)x=41(165)x=11(166)x=2(167)x=13(168)x=23(169)x=8(170)x=6(171)x=3(172)x=0.5(173)x=0.3(174)x=1.7(175)x=0.4(176)x=1.1(177)x=6.5(178)x=2.1(179)x=0.2(180)x=0.8(181)x=10(182)x=4(183)x=46(184)x=9(185)x=49(186)x=4(187)x=12(188)x=8(189)x=2(190)x=14(191)x=31(192)x=30(193)x=2(194)x=15(195)x=3(196)x=7(197)x=6(198)x=10(199)x=7(200)x=3(201)x=28(202)x=22(203)x=14(204)x=4(205)x=2(206)x=2(207)x=3(208)x=67(209)x=18(210)x=3(211)x=27(212)x=2(213)x=3(214)x=27(215)x=38(216)x=4(217)x=0.5(218)x=3.7(219)x=0.6(220)x=0.2(221)x=1.1(222)x=0.2(223)x=4.6(224)x=3.4(225)x=0.3(226)x=2(227)x=2(228)x=25(229)x=4(230)x=3(231)x=8(232)x=2(233)x=4(234)x=53(235)x=0.2(236)x=0.4(237)x=0.5(238)x=0.8(239)x=5.9(240)x=1.2(241)x=7.7(242)x=1.2(243)x=0.4(244)x=14(245)x=2(246)x=2(247)x=16(248)x=3(249)x=4(250)x=12(251)x=5(252)x=20(253)x=4(254)x=4(255)x=3(256)x=10(257)x=10(258)x=20(259)x=74(260)x=12(261)x=2(262)x=8(263)x=0.2(264)x=1.6(265)x=2.1(266)x=0.2(267)x=0.8(268)x=6(269)x=8.4(270)x=0.5(271)x=11(272)x=8(273)x=3(274)x=15(275)x=9(276)x=10(277)x=4(278)x=14(279)x=11(280)x=16(281)x=25(282)x=7(283)x=11(284)x=2(285)x=11(286)x=18(287)x=4(288)x=14(289)x=17(290)x=3(291)x=43(292)x=13(293)x=7(294)x=16(295)x=9(296)x=2(297)x=24(298)x=7(299)x=16(300)x=63(301)x=3(302)x=7(303)x=23(304)x=5(305)x=6(306)x=23(307)x=2(308)x=3(309)x=4(310)x=14(311)x=32(312)x=5(313)x=7(314)x=7(315)x=10(316)x=38(317)x=20(318)x=9(319)x=18(320)x=4(321)x=10(322)x=14(323)x=14(324)x=5(325)x=11(326)x=6(327)x=10(328)x=7(329)x=7(330)x=4(331)x=21(332)x=40(333)x=26(334)x=9(335)x=9(336)x=16(337)x=2(338)x=6(339)x=15(340)x=4(341)x=4(342)x=22(343)x=2(344)x=4(345)x=28(346)x=15(347)x=10(348)x=2(349)x=7(350)x=3(351)x=5(352)x=1(353)x=1.8(354)x=1.9(355)x=1(356)x=0.8(357)x=0.3(358)x=0.8(359)x=6.2(360)x=1.4(361)x=12(362)x=15(363)x=12(364)x=6(365)x=7(366)x=68(367)x=3(368)x=42(369)x=72(370)x=0.4(371)x=1(372)x=3.4(373)x=0.4(374)x=0.8(375)x=0.2(376)x=3.2(377)x=0.7(378)x=0.8(379)x=3(380)x=8(381)x=4(382)x=80(383)x=2(384)x=4(385)x=9(386)x=21(387)x=8(388)x=1.7(389)x=0.4(390)x=5.7(391)x=1.1(392)x=