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+11=108(2)x+42=116(3)x+65=152(4)x+63=73(5)x+29=128(6)x+49=60(7)x+82=145(8)x+68=128(9)x+8=41(10)x-35=49(11)x-22=17(12)x-62=14(13)x-65=17(14)x-24=74(15)x-23=23(16)x-55=36(17)x-21=74(18)x-14=61(19)x+7.1=7.4(20)x+1.2=8.3(21)x+5.1=11.4(22)x+8.6=17.4(23)x+6.3=8.2(24)x+3.6=4.7(25)x+8.9=15.1(26)x+2.3=11.4(27)x+3=11(28)x-6.8=1(29)x-3.4=3(30)x-1.3=7.5(31)x-1.9=3.4(32)x-3.9=2.6(33)x-0.7=2.3(34)x-3.5=2.9(35)x-2.8=1.5(36)x-2=6.9(37)58+x=92(38)28+x=112(39)71+x=149(40)84+x=142(41)33+x=48(42)99+x=195(43)27+x=110(44)8+x=81(45)70+x=99(46)99-x=14(47)86-x=46(48)64-x=25(49)87-x=48(50)83-x=49(51)88-x=55(52)74-x=45(53)84-x=77(54)88-x=50(55)2.5+x=3.3(56)9.8+x=17.1(57)4.2+x=7.6(58)5.7+x=13.2(59)0.5+x=10.4(60)8.1+x=8.6(61)0.8+x=3.8(62)6.2+x=12.8(63)7.4+x=16.8(64)6.9-x=4.2(65)8-x=2.9(66)4.6-x=4.1(67)8.4-x=6.3(68)7.7-x=1(69)4.6-x=2.7(70)3.8-x=2.4(71)9.7-x=8.2(72)8.8-x=6.1(73)34x=102(74)16x=80(75)3x=192(76)5x=140(77)2x=142(78)4x=16(79)15x=105(80)15x=195(81)14x=28(82)2.6x=5.2(83)7.4x=14.8(84)4.7x=14.1(85)1x=10(86)0.2x=15(87)3.7x=18.5(88)1.3x=18.2(89)0.4x=2.4(90)0.2x=14(91)34x=17(92)19x=17.1(93)6x=13.2(94)33x=16.5(95)10x=5(96)2x=10.8(97)20x=8(98)8x=12(99)3x=15.3(100)120÷x=20(101)64÷x=2(102)86÷x=43(103)66÷x=22(104)16÷x=8(105)111÷x=3(106)170÷x=17(107)186÷x=2(108)88÷x=2(109)15÷x=1.5(110)11÷x=0.5(111)8÷x=2(112)2.6÷x=1.3(113)7.5÷x=0.5(114)17.6÷x=0.8(115)10.4÷x=0.8(116)15.9÷x=0.3(117)10.5÷x=0.5(118)x÷6=9(119)x÷32=6(120)x÷2=15(121)x÷37=2(122)x÷28=2(123)x÷55=3(124)x÷17=11(125)x÷12=5(126)x÷13=11(127)x÷9=1.6(128)x÷2=1.7(129)x÷24=0.3(130)x÷2=1.3(131)x÷2=2.9(132)x÷36=0.2(133)x÷42=0.3(134)x÷9=1.9(135)x÷51=0.2(136)8x+34=218(137)74x+38=186(138)63x+22=211(139)8x+28=92(140)2x+38=118(141)23x+37=106(142)24x+59=179(143)5x+34=99(144)27x+10=64(145)100x-10=190(146)8x-42=38(147)25x-39=61(148)42x-50=118(149)3x-43=77(150)11x-36=96(151)24x-25=167(152)6x-16=62(153)92x-26=158(154)96x+1.7=20.9(155)50x+2.2=22.2(156)2x+1.9=21.7(157)48x+1.9=16.3(158)6x+3=17.4(159)3x+1.3=14.2(160)28x+3=17(161)5x+3.8=6.8(162)14x+4.1=12.5(163)0.7x+4.7=11(164)0.2x+2.9=15.3(165)1.7x+2.2=10.7(166)1x+5.1=8.1(167)0.2x+5.8=23.6(168)0.7x+5.3=24.2(169)0.5x+2.3=13.8(170)0.3x+2.4=17.1(171)1.9x+1=16.2(172)41x-5.9=6.4(173)6x-2.1=9.9(174)2x-3.3=12.3(175)2x-2.4=9.4(176)66x-4=15.8(177)3x-2.6=2.8(178)2x-5.3=8.7(179)11x-1.4=10.7(180)10x-1.4=8.6(181)1.7x-3.8=8.1(182)5.6x-1.2=10(183)4.3x-5.2=12(184)2.1x-2.8=5.6(185)5.3x-1.6=9(186)0.3x-4.1=9.1(187)2.7x-5.3=8.2(188)1.2x-2.8=10.4(189)2.3x-3.2=10.6(190)186+29x=360(191)109+31x=295(192)92+30x=152(193)34+3x=226(194)178+6x=280(195)133+19x=323(196)48+5x=108(197)10+69x=148(198)69+46x=207(199)87-11x=65(200)116-2x=108(201)126-23x=80(202)182-3x=104(203)199-58x=83(204)116-8x=28(205)189-32x=61(206)182-58x=66(207)139-5x=99(208)17.8+3.6x=25(209)16.1+0.7x=23.8(210)13.1+0.8x=21.9(211)1+1.7x=9.5(212)5.5+0.4x=9.9(213)11.7+1.2x=28.5(214)13.7+2.1x=28.4(215)3.1+1.4x=19.9(216)15.1+1.4x=20.7(217)19.6+11x=31.7(218)14.8+22x=23.6(219)16.6+20x=32.6(220)6.1+2x=13.9(221)18+3x=26.1(222)17+9x=31.4(223)18.3+63x=30.9(224)19.4+2x=38(225)3.4+43x=20.6(226)19.4-2.2x=6.2(227)14.8-0.6x=13(228)16.5-0.4x=14.1(229)17.4-1.1x=11.9(230)15.5-0.5x=13.5(231)14.8-0.6x=8.8(232)8.3-0.2x=3.5(233)13.3-0.3x=9.7(234)12.7-1.9x=7(235)19.4-17x=7.5(236)16.2-44x=3(237)5.2-2x=3.6(238)12.8-3x=11.9(239)15.6-12x=12(240)17.7-5x=11.7(241)18.3-6x=16.5(242)17.2-2x=14.4(243)17-2x=12.4(244)18x÷99=2(245)4x÷2=30(246)45x÷15=6(247)6x÷4=33(248)84x÷42=4(249)2x÷18=4(250)16x÷4=24(251)10x÷55=2(252)3x÷7=18(253)0.2x÷4=0.6(254)0.5x÷3=2(255)0.5x÷15=1(256)1.5x÷3=4(257)0.2x÷10=1.5(258)2.4x÷12=1.6(259)0.9x÷18=1(260)2x÷40=0.2(261)4.8x÷4=2.4(262)11x÷3=2.2(263)28x÷7=2.4(264)19x÷76=0.2(265)54x÷6=1.8(266)3x÷39=0.5(267)34x÷17=0.6(268)2x÷44=0.3(269)12x÷5=2.4(270)6x÷4=2.7(271)17x+15x=192(272)2x+11x=65(273)5x+7x=276(274)12x+11x=299(275)6x+4x=140(276)15x+16x=124(277)13x+11x=144(278)8x+13x=126(279)12x+8x=180(280)9x-3x=96(281)18x-5x=104(282)18x-4x=98(283)13x-8x=60(284)13x-2x=88(285)17x-15x=20(286)6x-3x=75(287)4x-2x=68(288)5x-2x=27(289)1.8x+8.7x=52.5(290)5.6x+5x=84.8(291)6.3x+8.9x=30.4(292)3.3x+9.1x=49.6(293)5x+4.2x=165.6(294)0.8x+8.2x=27(295)0.5x+1x=4.5(296)4.1x+4.8x=169.1(297)3.6x+0.8x=26.4(298)3.4x-2.9x=6.5(299)1.8x-1.3x=3.5(300)7.3x-7.1x=2.4(301)1.4x-0.7x=35(302)9.7x-8.9x=4.8(303)7.3x-1.1x=31(304)7.9x-7.4x=2.5(305)9.4x-3.7x=28.5(306)5.2x-2.9x=18.4(307)6x+9x+7=127(308)8x+2x+49=219(309)4x+9x+6=110(310)4x+11x+37=127(311)5x+4x+49=283(312)3x+10x+44=213(313)4x+5x+33=87(314)9x+8x+3=258(315)5x+19x+3=195(316)12x+5x-39=29(317)10x+12x-19=179(318)11x+9x-14=66(319)16x+14x-8=352(320)16x+2x-36=162(321)16x+7x-32=37(322)4x+5x-16=290(323)16x+6x-20=178(324)3x+12x-36=114(325)16x-11x+11=51(326)14x-2x+12=132(327)6x-2x+22=122(328)17x-12x+4=49(329)16x-9x+20=34(330)13x-10x+17=62(331)16x-4x+2=86(332)16x-8x+23=63(333)13x-4x+4=67(334)10x-3x-44=12(335)9x-3x-42=30(336)8x-6x-2=22(337)12x-2x-31=59(338)15x-9x-6=66(339)19x-4x-9=126(340)13x-7x-28=32(341)5x-2x-21=12(342)12x-5x-7=49(343)9.4x+2x+3.3=60.3(344)1.6x+1.1x+4.7=39.8(345)7x+6.8x+4.6=170.2(346)1.7x+1.5x+0.8=36(347)1.4x+9.7x+4.5=37.8(348)2.8x+0.4x+4.5=65.3(349)3.8x+6.9x+1.7=98(350)6.5x+6.2x+2.3=91.2(351)6.5x+8.8x+0.9=77.4(352)4x+9x+4.6=37.1(353)21x+49x+4.5=60.5(354)77x+26x+0.4=51.9(355)13x+2x+1.2=40.2(356)46x+21x+1.1=61.4(357)42x+84x+2.7=103.5(358)45x+82x+3.1=28.5(359)81x+57x+0.9=125.1(360)63x+96x+1.2=48.9(361)5x+6x-4.4=127.6(362)2.5x+1.1x-4=50(363)2.6x+1.6x-1.5=124.5(364)9.3x+8.3x-1.6=51.2(365)4.6x+5.7x-3.9=130(366)3.9x+5.8x-4.6=131.2(367)5.5x+0.4x-1.3=93.1(368)2.6x+0.2x-2.1=101.5(369)2.7x+0.8x-0.9=58.6(370)50x+29x-1.2=109.4(371)36x+40x-1.6=97.2(372)2x+9x-1.6=35.8(373)47x+63x-4.6=39.4(374)69x+49x-2.1=92.3(375)2x+87x-4.2=75.9(376)8x+37x-1.8=43.2(377)41x+4x-3.9=45.6(378)11x+44x-2=75(379)8.3x-0.6x+1.3=16.7(380)2.9x-1.8x+0.9=27.3(381)4.1x-0.8x+2.3=65(382)3.8x-3.2x+4.2=15(383)9.2x-0.4x+3.9=47.9(384)5.7x-4.6x+3.8=8.2(385)9.3x-3.6x+4.5=15.9(386)3x-0.7x+3.6=31.2(387)3.3x-1.4x+4.2=40.3(388)69x-19x+4.6=34.6(389)64x-3x+2.4=69.5(390)78x-34x+2.4=11.2(391)53x-18x+4.7=15.2(392)57x-14x+4.1=77.2(393)43x-11x+1.9=72.3(394)71x-11x+0.5=30.5(395)97x-27x+2.2=72.2(396)17x-6x+2.8=44.6(397)9.5x-7x-3.2=1.8(398)2.4x-0.8x-0.8=31.2(399)5.4x-4.1x-4.9=1.6(400)5.8x-1x-0.7=28.1(401)3.9x-0.2x-2.5=53(402)1.9x-0.7x-2.1=8.7(403)1.5x-0.7x-4=18.4(404)9.4x-6.9x-4=11(405)2.3x-0.2x-4.5=12.3(406)32x-8x-1.3=44.3(407)54x-41x-4.2=6.2(408)38x-31x-0.3=10.2(409)9x-7x-1=2.4(410)83x-22x-4.2=56.8(411)35x-14x-2.1=4.2(412)34x-20x-0.3=16.5(413)58x-34x-2.6=19(414)40x-6x-3.5=44.1(415)3x+46×4=232(416)3x+9×11=252(417)17x+7×13=193(418)29x+2×54=166(419)4x+35×5=355(420)17x+15×5=109(421)7x+3×42=154(422)3x+26×3=132(423)2x+11×9=223(424)15x-15×4=30(425)3x-27×5=27(426)3x-8×2=140(427)3x-8×7=94(428)4x-2×10=44(429)25x-2×51=73(430)21x-6×18=81(431)3x-8×14=29(432)28x-11×3=163(433)3.4x+2.8×5=31(434)1.3x+1.6×7=17.7(435)1.8x+1.3×14=36.2(436)0.5x+0.2×30=11.5(437)0.2x+2.6×7=20(438)0.2x+0.8×5=7.8(439)1.3x+0.4×29=18.1(440)0.3x+0.7×18=25.2(441)3.2x+0.4×21=24.4(442)18x+42×0.2=17.4(443)19x+31×0.6=37.6(444)12x+22×0.4=16(445)3x+38×0.5=24.1(446)2x+6×0.8=7.8(447)14x+14×1.2=30.8(448)28x+21×0.4=14(449)19x+2×3=13.6(450)20x+8×1.8=32.4(451)0.3x-1.1×6=3(452)0.3x-2.5×2=8.5(453)0.3x-2.7×3=2.1(454)1.3x-2.2×6=2.4(455)3.2x-0.6×5=13(456)0.4x-1.2×3=14.8(457)0.4x-1×11=7(458)1x-0.3×21=8.7(459)1.1x-3.4×2=2(460)10x-4×0.9=15.4(461)20x-30×0.3=11(462)5x-26×0.2=10.3(463)19x-11×1=6.1(464)44x-42×0.3=5(465)9x-5×1.1=14.3(466)41x-4×0.3=11.1(467)3x-5×0.6=9.6(468)2x-13×0.2=3.2(469)4(8x+19)=172(470)2(19x+15)=182(471)5(x+7)=195(472)3(5x+3)=189(473)2(3x+32)=130(474)3(5x+7)=126(475)2(6x+2)=76(476)8(6x+3)=168(477)2(x+34)=116(478)5(19x-29)=140(479)15(15x-35)=150(480)14(2x-21)=182(481)5(2x-14)=110(482)4(2x-48)=88(483)3(3x-13)=123(484)10(12x-35)=130(485)3(2x-44)=36(486)12(2x-8)=192(487)2(0.6x+9.5)=32.2(488)2(0.2x+6.2)=22.4(489)2(1.1x+6.6)=30.8(490)13(0.6x+1.7)=37.7(491)5(0.5x+2.2)=41(492)2(0.9x+6.3)=34.2(493)8(1.3x+0.3)=23.2(494)2(0.4x+8.2)=18(495)6(1.5x+0.7)=22.2(496)7(1.2x-6.3)=23.1(497)2(5.6x-6)=32.8(498)2(2.6x-8.1)=20.2(499)4(0.8x-3.2)=22.4(500)14(4.6x-5.8)=47.6(501)3(0.5x-3.3)=39.6(502)11(1.6x-3.4)=33(503)4(4.4x-0.7)=50(504)4(0.5x-5.5)=50(505)(10x+12)÷3=74(506)(11x+34)÷47=4(507)(13x+32)÷4=60(508)(11x+18)÷10=26(509)(3x+24)÷6=14(510)(14x+42)÷2=63(511)(5x+9)÷19=1(512)(16x+22)÷23=10(513)(11x+34)÷14=15(514)(17x-25)÷23=10(515)(11x-42)÷28=4(516)(7x-12)÷5=20(517)(8x-22)÷3=30(518)(15x-44)÷2=113(519)(14x-9)÷9=27(520)(9x-15)÷11=6(521)(6x-28)÷2=55(522)(18x-37)÷25=5(523)(4.2x+1)÷4=11.8(524)(1.5x+3.3)÷6=1.3(525)(1.7x+7.2)÷2=15.5(526)(5.5x+4)÷2=35(527)(6.2x+7.2)÷6=10.5(528)(1.7x+5.9)÷4=3.6(529)(8.2x+5.2)÷4=21.8(530)(7.2x+1.2)÷6=3.8(531)(7.9x+2.8)÷10=6.6(532)(0.7x-5.5)÷32=0.2(533)(6.2x-9.6)÷2=26.2(534)(3.3x-5.9)÷5=7.4(535)(9.5x-1.4)÷39=2.4(536)(5.1x-6.1)÷37=0.8(537)(7.4x-7)÷24=3.1(538)(3x-4.8)÷3=17.4(539)(2.2x-4.4)÷22=1.1(540)(6.4x-2.6)÷2=11.5参考答案(1)x=97(2)x=74(3)x=87(4)x=10(5)x=99(6)x=11(7)x=63(8)x=60(9)x=33(10)x=84(11)x=39(12)x=76(13)x=82(14)x=98(15)x=46(16)x=91(17)x=95(18)x=75(19)x=0.3(20)x=7.1(21)x=6.3(22)x=8.8(23)x=1.9(24)x=1.1(25)x=6.2(26)x=9.1(27)x=8(28)x=7.8(29)x=6.4(30)x=8.8(31)x=5.3(32)x=6.5(33)x=3(34)x=6.4(35)x=4.3(36)x=8.9(37)x=34(38)x=84(39)x=78(40)x=58(41)x=15(42)x=96(43)x=83(44)x=73(45)x=29(46)x=85(47)x=40(48)x=39(49)x=39(50)x=34(51)x=33(52)x=29(53)x=7(54)x=38(55)x=0.8(56)x=7.3(57)x=3.4(58)x=7.5(59)x=9.9(60)x=0.5(61)x=3(62)x=6.6(63)x=9.4(64)x=2.7(65)x=5.1(66)x=0.5(67)x=2.1(68)x=6.7(69)x=1.9(70)x=1.4(71)x=1.5(72)x=2.7(73)x=3(74)x=5(75)x=64(76)x=28(77)x=71(78)x=4(79)x=7(80)x=13(81)x=2(82)x=2(83)x=2(84)x=3(85)x=10(86)x=75(87)x=5(88)x=14(89)x=6(90)x=70(91)x=0.5(92)x=0.9(93)x=2.2(94)x=0.5(95)x=0.5(96)x=5.4(97)x=0.4(98)x=1.5(99)x=5.1(100)x=6(101)x=32(102)x=2(103)x=3(104)x=2(105)x=37(106)x=10(107)x=93(108)x=44(109)x=10(110)x=22(111)x=4(112)x=2(113)x=15(114)x=22(115)x=13(116)x=53(117)x=21(118)x=54(119)x=192(120)x=30(121)x=74(122)x=56(123)x=165(124)x=187(125)x=60(126)x=143(127)x=14.4(128)x=3.4(129)x=7.2(130)x=2.6(131)x=5.8(132)x=7.2(133)x=12.6(134)x=17.1(135)x=10.2(136)x=23(137)x=2(138)x=3(139)x=8(140)x=40(141)x=3(142)x=5(143)x=13(144)x=2(145)x=2(146)x=10(147)x=4(148)x=4(149)x=40(150)x=12(151)x=8(152)x=13(153)x=2(154)x=0.2(155)x=0.4(156)x=9.9(157)x=0.3(158)x=2.4(159)x=4.3(160)x=0.5(161)x=0.6(162)x=0.6(163)x=9(164)x=62(165)x=5(166)x=3(167)x=89(168)x=27(169)x=23(170)x=49(171)x=8(172)x=0.3(173)x=2(174)x=7.8(175)x=5.9(176)x=0.3(177)x=1.8(178)x=7(179)x=1.1(180)x=1(181)x=7(182)x=2(183)x=4(184)x=4(185)x=2(186)x=44(187)x=5(188)x=11(189)x=6(190)x=6(191)x=6(192)x=2(193)x=64(194)x=17(195)x=10(196)x=12(197)x=2(198)x=3(199)x=2(200)x=4(201)x=2(202)x=26(203)x=2(204)x=11(205)x=4(206)x=2(207)x=8(208)x=2(209)x=11(210)x=11(211)x=5(212)x=11(213)x=14(214)x=7(215)x=12(216)x=4(217)x=1.1(218)x=0.4(219)x=0.8(220)x=3.9(221)x=2.7(222)x=1.6(223)x=0.2(224)x=9.3(225)x=0.4(226)x=6(227)x=3(228)x=6(229)x=5(230)x=4(231)x=10(232)x=24(233)x=12(234)x=3(235)x=0.7(236)x=0.3(237)x=0.8(238)x=0.3(239)x=0.3(240)x=1.2(241)x=0.3(242)x=1.4(243)x=2.3(244)x=11(245)x=15(246)x=2(247)x=22(248)x=2(249)x=36(250)x=6(251)x=11(252)x=42(253)x=12(254)x=12(255)x=30(256)x=8(257)x=75(258)x=8(259)x=20(260)x=4(261)x=2(262)x=0.6(263)x=0.6(264)x=0.8(265)x=0.2(266)x=6.5(267)x=0.3(268)x=6.6(269)x=1(270)x=1.8(271)x=6(272)x=5(273)x=23(274)x=13(275)x=14(276)x=4(277)x=6(278)x=6(279)x=9(280)x=16(281)x=8(282)x=7(283)x=12(284)x=8(285)x=10(286)x=25(287)x=34(288)x=9(289)x=5(290)x=8(291)x=2(292)x=4(293)x=18(294)x=3(295)x=3(296)x=19(297)x=6(298)x=13(299)x=7(300)x=12(301)x=50(302)x=6(303)x=5(304)x=5(305)x=5(306)x=8(307)x=8(308)x=17(309)x=8(310)x=6(311)x=26(312)x=13(313)x=6(314)x=15(315)x=8(316)x=4(317)x=9(318)x=4(319)x=12(320)x=11(321)x=3(322)x=34(323)x=9(324)x=10(325)x=8(326)x=10(327)x=25(328)x=9(329)x=2(330)x=15(331)x=7(332)x=5(333)x=7(334)x=8(335)x=12(336)x=12(337)x=9(338)x=12(339)x=9(340)x=10(341)x=11(342)x=8(343)x=5(344)x=13(345)x=12(346)x=11(347)x=3(348)x=19(349)x=9(350)x=7(351)x=5(352)x=2.5(353)x=0.8(354)x=0.5(355)x=2.6(356)x=0.9(357)x=0.8(358)x=0.2(359)x=0.9(360)x=0.3(361)x=12(362)x=15(363)x=30(364)x=3(365)x=13(366)x=14(367)x=16(368)x=37(369)x=17(370)x=1.4(371)x=1.3(372)x=3.4(373)x=0.4(374)x=0.8(375)x=0.9(376)x=1(377)x=1.1(378)x=1.4(379)x=2(380)x=24(381)x=19(382)x=18(383)x=5(384)x=4(385)x=2(386)x=12(387)x=19(388)x=0.6(389)x=1.1(390)x=0.2(391)x=0.3(392)