五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案

五年級(jí)數(shù)學(xué)(方程)習(xí)題及答案(1)x+3=91(2)x+54=91(3)x+64=123(4)x+78=102(5)x+35=42(6)x+20=92(7)x+8=81(8)x+94=184(9)x+79=152(10)x-19=34(11)x-22=75(12)x-6=67(13)x-13=72(14)x-27=27(15)x-31=31(16)x-16=27(17)x-5=34(18)x-8=83(19)x+3.7=5.5(20)x+4.1=7(21)x+8.1=9.9(22)x+3.8=10.9(23)x+4.2=9.1(24)x+6.3=9.5(25)x+5.6=11.1(26)x+9=16.9(27)x+2.8=10.5(28)x-0.2=6.1(29)x-5.1=4.4(30)x-5.9=2.1(31)x-6.8=1.1(32)x-1.1=7.9(33)x-0.3=7.7(34)x-0.6=2(35)x-7=2.4(36)x-4=5.3(37)37+x=127(38)58+x=88(39)91+x=107(40)21+x=64(41)79+x=88(42)52+x=82(43)80+x=156(44)42+x=81(45)4+x=91(46)88-x=41(47)93-x=23(48)43-x=35(49)98-x=34(50)90-x=78(51)99-x=82(52)56-x=26(53)72-x=23(54)88-x=13(55)2.6+x=10.5(56)0.9+x=4.2(57)9.1+x=10.2(58)6.4+x=14.5(59)2.3+x=11(60)4+x=6.6(61)9.9+x=12.5(62)1.1+x=8.5(63)6.9+x=9.7(64)8.2-x=6.6(65)7-x=6.5(66)4.8-x=4.1(67)9.4-x=2.8(68)5.9-x=2.8(69)6-x=4.3(70)3.7-x=2.7(71)5.2-x=3.8(72)4.3-x=3.8(73)10x=30(74)88x=176(75)2x=126(76)60x=180(77)9x=54(78)23x=92(79)2x=86(80)19x=171(81)4x=48(82)0.2x=17.4(83)2.3x=16.1(84)1.6x=8(85)9.3x=18.6(86)0.2x=17.2(87)1.9x=9.5(88)0.5x=19.5(89)1.2x=16.8(90)1.2x=3.6(91)52x=15.6(92)33x=6.6(93)3x=7.2(94)51x=10.2(95)3x=7.8(96)27x=5.4(97)3x=15.3(98)30x=12(99)3x=11.1(100)198÷x=33(101)117÷x=39(102)160÷x=32(103)156÷x=26(104)198÷x=3(105)72÷x=18(106)66÷x=11(107)21÷x=7(108)180÷x=45(109)10.2÷x=0.6(110)17.6÷x=4.4(111)10.4÷x=1.3(112)14.4÷x=1.8(113)10.5÷x=0.3(114)12.9÷x=4.3(115)12.5÷x=2.5(116)4.2÷x=0.6(117)10.2÷x=0.2(118)x÷46=2(119)x÷11=4(120)x÷2=34(121)x÷4=4(122)x÷20=2(123)x÷62=2(124)x÷88=2(125)x÷28=6(126)x÷11=5(127)x÷19=0.6(128)x÷4=3.1(129)x÷49=0.4(130)x÷4=1.5(131)x÷61=0.3(132)x÷20=0.4(133)x÷43=0.3(134)x÷24=0.5(135)x÷6=2.3(136)68x+33=169(137)6x+16=178(138)18x+22=148(139)2x+36=230(140)2x+15=121(141)7x+25=179(142)2x+14=154(143)7x+37=156(144)3x+54=213(145)3x-36=60(146)3x-32=139(147)5x-42=93(148)74x-31=117(149)15x-29=31(150)6x-28=74(151)88x-57=119(152)3x-11=10(153)85x-48=122(154)3x+4.2=21(155)22x+3.8=19.2(156)2x+3.9=16.5(157)5x+3.3=20.8(158)3x+2.5=17.2(159)5x+1.1=4.1(160)34x+2.1=12.3(161)17x+1.4=6.5(162)2x+1.4=16.2(163)0.8x+1.9=4.3(164)3.7x+3.1=21.6(165)0.2x+5.4=13.8(166)4.4x+4.3=21.9(167)6.3x+2.2=14.8(168)0.2x+5=13(169)1.3x+4.5=17.5(170)0.7x+4.3=12.7(171)2.9x+4.8=22.2(172)4x-1.7=14.7(173)75x-5.3=9.7(174)4x-4.5=6.3(175)5x-2=4.5(176)22x-3.5=7.5(177)16x-4.7=6.5(178)51x-4.4=5.8(179)6x-5.7=2.7(180)2x-5.8=5(181)2.3x-5.6=10.5(182)9.7x-1.7=17.7(183)0.5x-2.7=6.3(184)0.5x-2=11(185)4.8x-5.5=4.1(186)0.7x-3.7=15.2(187)6.4x-1.4=11.4(188)3x-3.8=11.2(189)1.4x-4.2=14(190)147+10x=187(191)16+17x=135(192)160+11x=270(193)136+11x=158(194)52+7x=87(195)102+2x=196(196)96+19x=229(197)171+2x=177(198)23+5x=113(199)102-3x=39(200)189-25x=89(201)189-29x=131(202)197-3x=11(203)152-4x=132(204)191-2x=163(205)192-28x=24(206)141-5x=131(207)168-33x=69(208)8.4+0.7x=27.3(209)1.9+0.5x=4.4(210)8.6+0.5x=10.1(211)1.7+2.5x=21.7(212)1.5+0.2x=11.7(213)14.9+5x=34.9(214)11+1.1x=17.6(215)4.7+0.7x=8.2(216)11.7+2x=19.7(217)13.6+9x=22.6(218)9+12x=17.4(219)3.4+2x=18(220)13.5+72x=27.9(221)2.5+21x=13(222)4.6+41x=21(223)18.4+3x=29.8(224)2.3+35x=16.3(225)7.5+8x=16.3(226)16.3-0.2x=5.9(227)17.3-6x=5.3(228)15.9-0.9x=12.3(229)16-0.9x=14.2(230)19.4-4.1x=11.2(231)18.1-0.5x=11.6(232)13.9-1.5x=4.9(233)14.3-3.8x=2.9(234)17.9-0.2x=15.5(235)10.6-17x=7.2(236)10.4-2x=3(237)3.8-2x=1.6(238)17.3-3x=11.6(239)19-3x=8.8(240)13.1-10x=7.1(241)17.1-9x=15.3(242)15.6-4x=11.2(243)17.1-63x=4.5(244)60x÷4=45(245)4x÷12=8(246)11x÷44=4(247)9x÷2=27(248)14x÷7=24(249)28x÷14=10(250)40x÷4=20(251)7x÷4=28(252)12x÷4=45(253)0.4x÷20=0.9(254)1.2x÷52=0.3(255)0.6x÷2=2.7(256)2.8x÷8=2.1(257)0.6x÷40=0.3(258)0.8x÷20=0.4(259)1.4x÷2=4.9(260)2x÷4=3(261)0.2x÷6=2.8(262)3x÷18=1.1(263)48x÷12=1.2(264)49x÷7=2.1(265)11x÷44=0.2(266)57x÷3=3.8(267)9x÷3=1.8(268)52x÷8=1.3(269)2x÷3=1.8(270)7x÷70=0.2(271)5x+2x=119(272)16x+13x=261(273)19x+11x=270(274)18x+14x=224(275)9x+4x=247(276)2x+6x=256(277)6x+4x=330(278)10x+5x=60(279)14x+11x=250(280)12x-3x=117(281)7x-5x=16(282)12x-2x=100(283)4x-2x=28(284)11x-9x=28(285)12x-8x=36(286)7x-4x=54(287)14x-12x=22(288)10x-6x=76(289)7.1x+6.4x=54(290)8.8x+2.1x=43.6(291)1.9x+5.1x=49(292)2x+5x=77(293)3x+6.1x=91(294)6.9x+8.6x=77.5(295)9.7x+2.3x=48(296)1.7x+2.6x=103.2(297)1.3x+1.1x=120(298)8.2x-1x=28.8(299)8.6x-0.7x=15.8(300)9.6x-7.4x=11(301)5.1x-2x=49.6(302)8.9x-1.8x=71(303)8.5x-6.5x=16(304)6x-4.5x=21(305)6.3x-5.2x=13.2(306)6.2x-4.5x=8.5(307)6x+3x+12=75(308)9x+18x+2=110(309)4x+19x+14=175(310)12x+2x+48=174(311)10x+7x+14=337(312)7x+9x+28=220(313)8x+18x+7=267(314)6x+9x+40=145(315)12x+16x+32=172(316)2x+4x-15=261(317)18x+5x-38=54(318)8x+19x-45=198(319)8x+16x-17=55(320)13x+11x-43=29(321)18x+15x-14=118(322)10x+6x-27=277(323)4x+2x-47=97(324)2x+10x-46=170(325)19x-9x+30=130(326)5x-2x+46=58(327)18x-13x+10=60(328)16x-6x+31=121(329)7x-3x+18=106(330)16x-6x+13=33(331)14x-3x+13=35(332)17x-7x+21=131(333)18x-10x+8=72(334)6x-2x-27=21(335)12x-2x-32=118(336)13x-11x-15=13(337)13x-7x-14=22(338)4x-2x-28=64(339)19x-8x-40=59(340)13x-6x-30=75(341)11x-6x-11=39(342)11x-2x-30=96(343)1.6x+0.6x+1.6=56.6(344)3.3x+3.4x+4.4=131.7(345)4.7x+9.4x+3.9=88.5(346)1.4x+1.6x+1=58(347)4.5x+4.3x+2.6=161(348)1.2x+3.9x+3.3=90(349)3.8x+8x+3.1=85.7(350)4.3x+4.9x+1=185(351)2.8x+6.8x+0.2=105.8(352)13x+36x+3.6=47.7(353)3x+25x+1=29(354)8x+16x+0.9=44.1(355)6x+37x+1.5=113.3(356)6x+9x+3.8=20.3(357)71x+49x+3.2=87.2(358)10x+39x+0.6=79(359)65x+52x+4.8=86.7(360)11x+20x+2.7=139.1(361)6.5x+7.6x-2.7=25.5(362)3.3x+3.5x-4.9=63.1(363)2x+4x-0.7=143.3(364)1x+0.2x-3.9=101.7(365)8.2x+4.7x-3.6=112.5(366)2.2x+3.4x-1=99.8(367)7x+4.3x-3.8=131.8(368)1.7x+4.9x-4=15.8(369)1.2x+6.5x-4.5=103.3(370)9x+65x-1.4=87.4(371)44x+81x-2=73(372)38x+30x-3.8=111.8(373)75x+74x-0.6=44.1(374)10x+4x-4.3=44.7(375)27x+38x-4.8=157.7(376)44x+56x-1.3=148.7(377)25x+2x-3.3=75(378)12x+16x-4.1=37.9(379)7.1x-1.8x+1.3=17.2(380)3.5x-2.4x+2.9=9.5(381)5.8x-5.1x+4.6=14.4(382)5.2x-4.6x+1.8=4.8(383)5.9x-3.6x+3.2=35.4(384)5x-2.5x+2=39.5(385)5.7x-2.5x+2.6=37.8(386)1.2x-0.4x+0.2=5.8(387)6.6x-5.5x+1.2=4.5(388)47x-10x+1.6=60.8(389)65x-56x+1.9=9.1(390)31x-27x+0.9=13.7(391)54x-22x+2.4=37.6(392)56x-8x+4.9=86.5(393)91x-82x+1.8=8.1(394)26x-3x+0.4=9.6(395)43x-11x+4.4=49.2(396)97x-20x+1.1=55(397)8.6x-3.5x-2.8=48.2(398)8.2x-0.2x-4.7=67.3(399)1.6x-0.4x-1.5=22.5(400)3.7x-0.7x-0.2=44.8(401)1.1x-0.8x-4.3=12.8(402)7.6x-2.6x-4=6(403)1.2x-0.5x-2.6=47.8(404)4.7x-2.3x-2.6=31(405)3.5x-0.8x-2.3=24.7(406)59x-12x-4.4=33.2(407)35x-29x-3.8=1.6(408)35x-33x-1.8=2.8(409)87x-57x-4.4=16.6(410)30x-3x-0.6=45.3(411)89x-42x-2.7=49(412)32x-6x-2.2=78.4(413)99x-62x-2.7=34.3(414)81x-12x-2.1=53.1(415)4x+3×24=144(416)3x+9×18=324(417)15x+12×9=198(418)6x+3×50=240(419)17x+2×97=279(420)7x+45×3=275(421)6x+45×3=207(422)23x+2×32=225(423)7x+7×23=357(424)14x-33×3=55(425)11x-58×3=24(426)8x-13×3=89(427)17x-3×23=84(428)5x-2×6=28(429)7x-9×10=92(430)8x-8×12=24(431)10x-25×3=15(432)16x-20×6=40(433)1.3x+2.9×6=31.7(434)0.3x+0.5×10=11.9(435)2.2x+0.7×20=25(436)1.5x+1.6×2=21.2(437)3.4x+0.8×21=27(438)0.4x+0.7×3=8.5(439)0.2x+0.9×3=5.3(440)0.5x+1.1×6=22.1(441)3.3x+0.2×7=8(442)28x+2×0.8=15.6(443)24x+24×0.8=33.6(444)7x+7×1.5=16.1(445)5x+7×0.4=13.3(446)2x+2×1.4=9.2(447)3x+17×0.4=18.2(448)5x+21×0.9=25.4(449)4x+5×1.7=20.5(450)6x+6×0.3=3.6(451)0.3x-0.9×2=8.1(452)0.4x-1×9=9(453)2.2x-1.4×8=2(454)3.6x-0.6×4=12(455)3.1x-0.4×38=3.4(456)0.4x-0.2×13=11.4(457)1.5x-0.2×16=8.8(458)0.2x-2.4×2=3.6(459)0.4x-3.7×3=7.3(460)7x-3×1.9=9.7(461)20x-12×0.7=7.6(462)20x-3×1=1(463)27x-7×2=4.9(464)7x-23×0.4=5.5(465)21x-24×0.3=7.5(466)9x-32×0.3=1.2(467)17x-23×0.4=6.1(468)4x-44×0.4=2(469)2(6x+27)=174(470)2(x+21)=54(471)2(8x+16)=160(472)3(6x+4)=156(473)8(x+9)=96(474)2(x+14)=34(475)4(2x+2)=176(476)2(x+35)=90(477)3(x+9)=81(478)13(12x-33)=195(479)2(x-6)=80(480)2(6x-35)=74(481)14(x-35)=154(482)4(2x-49)=44(483)3(20x-48)=96(484)3(2x-7)=39(485)4(9x-14)=124(486)9(2x-49)=171(487)2(8.3x+8.3)=49.8(488)2(0.9x+4.9)=13.4(489)3(0.5x+1.2)=38.1(490)3(0.6x+1.9)=45.3(491)2(0.4x+8.5)=29(492)5(0.2x+7.5)=45.5(493)2(1.3x+8.5)=48.2(494)2(x+9.9)=45.8(495)2(2.6x+9.3)=44.6(496)4(0.9x-0.3)=38.4(497)2(5.3x-2.8)=26.2(498)9(0.9x-2.6)=25.2(499)12(3.4x-8.4)=21.6(500)2(5.8x-3.9)=15.4(501)2(0.3x-3)=14.4(502)5(2.2x-0.6)=19(503)4(0.2x-7.7)=6.8(504)8(0.4x-7.6)=38.4(505)(5x+40)÷5=21(506)(x+10)÷2=12(507)(13x+35)÷7=31(508)(2x+42)÷8=12(509)(8x+20)÷5=44(510)(5x+46)÷11=6(511)(13x+43)÷4=27(512)(17x+44)÷18=10(513)(11x+44)÷7=22(514)(15x-40)÷25=8(515)(7x-26)÷2=71(516)(5x-41)÷2=47(517)(2x-21)÷9=3(518)(11x-40)÷20=9(519)(18x-12)÷3=44(520)(3x-32)÷2=11(521)(11x-15)÷2=20(522)(11x-11)÷6=11(523)(8.5x+1.8)÷22=2.4(524)(8.6x+2)÷4=9.1(525)(4.5x+1.8)÷3=15.6(526)(1.2x+7.6)÷38=0.8(527)(8.4x+7.2)÷5=4.8(528)(1.5x+9)÷18=1.5(529)(2.8x+4.8)÷4=10.3(530)(4.7x+9.1)÷5=17.8(531)(3.3x+1.7)÷5=7.6(532)(8.5x-9.3)÷2=42.1(533)(9.6x-4.8)÷4=10.8(534)(3.4x-8.3)÷5=3.1(535)(2x-6.8)÷12=2.6(536)(1.9x-4.7)÷2=11.9(537)(8.4x-5.2)÷2=5.8(538)(2.1x-9.4)÷13=1.7(539)(4.4x-5.8)÷5=13.8(540)(6x-6.2)÷26=2.3參考答案(1)x=88(2)x=37(3)x=59(4)x=24(5)x=7(6)x=72(7)x=73(8)x=90(9)x=73(10)x=53(11)x=97(12)x=73(13)x=85(14)x=54(15)x=62(16)x=43(17)x=39(18)x=91(19)x=1.8(20)x=2.9(21)x=1.8(22)x=7.1(23)x=4.9(24)x=3.2(25)x=5.5(26)x=7.9(27)x=7.7(28)x=6.3(29)x=9.5(30)x=8(31)x=7.9(32)x=9(33)x=8(34)x=2.6(35)x=9.4(36)x=9.3(37)x=90(38)x=30(39)x=16(40)x=43(41)x=9(42)x=30(43)x=76(44)x=39(45)x=87(46)x=47(47)x=70(48)x=8(49)x=64(50)x=12(51)x=17(52)x=30(53)x=49(54)x=75(55)x=7.9(56)x=3.3(57)x=1.1(58)x=8.1(59)x=8.7(60)x=2.6(61)x=2.6(62)x=7.4(63)x=2.8(64)x=1.6(65)x=0.5(66)x=0.7(67)x=6.6(68)x=3.1(69)x=1.7(70)x=1(71)x=1.4(72)x=0.5(73)x=3(74)x=2(75)x=63(76)x=3(77)x=6(78)x=4(79)x=43(80)x=9(81)x=12(82)x=87(83)x=7(84)x=5(85)x=2(86)x=86(87)x=5(88)x=39(89)x=14(90)x=3(91)x=0.3(92)x=0.2(93)x=2.4(94)x=0.2(95)x=2.6(96)x=0.2(97)x=5.1(98)x=0.4(99)x=3.7(100)x=6(101)x=3(102)x=5(103)x=6(104)x=66(105)x=4(106)x=6(107)x=3(108)x=4(109)x=17(110)x=4(111)x=8(112)x=8(113)x=35(114)x=3(115)x=5(116)x=7(117)x=51(118)x=92(119)x=44(120)x=68(121)x=16(122)x=40(123)x=124(124)x=176(125)x=168(126)x=55(127)x=11.4(128)x=12.4(129)x=19.6(130)x=6(131)x=18.3(132)x=8(133)x=12.9(134)x=12(135)x=13.8(136)x=2(137)x=27(138)x=7(139)x=97(140)x=53(141)x=22(142)x=70(143)x=17(144)x=53(145)x=32(146)x=57(147)x=27(148)x=2(149)x=4(150)x=17(151)x=2(152)x=7(153)x=2(154)x=5.6(155)x=0.7(156)x=6.3(157)x=3.5(158)x=4.9(159)x=0.6(160)x=0.3(161)x=0.3(162)x=7.4(163)x=3(164)x=5(165)x=42(166)x=4(167)x=2(168)x=40(169)x=10(170)x=12(171)x=6(172)x=4.1(173)x=0.2(174)x=2.7(175)x=1.3(176)x=0.5(177)x=0.7(178)x=0.2(179)x=1.4(180)x=5.4(181)x=7(182)x=2(183)x=18(184)x=26(185)x=2(186)x=27(187)x=2(188)x=5(189)x=13(190)x=4(191)x=7(192)x=10(193)x=2(194)x=5(195)x=47(196)x=7(197)x=3(198)x=18(199)x=21(200)x=4(201)x=2(202)x=62(203)x=5(204)x=14(205)x=6(206)x=2(207)x=3(208)x=27(209)x=5(210)x=3(211)x=8(212)x=51(213)x=4(214)x=6(215)x=5(216)x=4(217)x=1(218)x=0.7(219)x=7.3(220)x=0.2(221)x=0.5(222)x=0.4(223)x=3.8(224)x=0.4(225)x=1.1(226)x=52(227)x=2(228)x=4(229)x=2(230)x=2(231)x=13(232)x=6(233)x=3(234)x=12(235)x=0.2(236)x=3.7(237)x=1.1(238)x=1.9(239)x=3.4(240)x=0.6(241)x=0.2(242)x=1.1(243)x=0.2(244)x=3(245)x=24(246)x=16(247)x=6(248)x=12(249)x=5(250)x=2(251)x=16(252)x=15(253)x=45(254)x=13(255)x=9(256)x=6(257)x=20(258)x=10(259)x=7(260)x=6(261)x=84(262)x=6.6(263)x=0.3(264)x=0.3(265)x=0.8(266)x=0.2(267)x=0.6(268)x=0.2(269)x=2.7(270)x=2(271)x=17(272)x=9(273)x=9(274)x=7(275)x=19(276)x=32(277)x=33(278)x=4(279)x=10(280)x=13(281)x=8(282)x=10(283)x=14(284)x=14(285)x=9(286)x=18(287)x=11(288)x=19(289)x=4(290)x=4(291)x=7(292)x=11(293)x=10(294)x=5(295)x=4(296)x=24(297)x=50(298)x=4(299)x=2(300)x=5(301)x=16(302)x=10(303)x=8(304)x=14(305)x=12(306)x=5(307)x=7(308)x=4(309)x=7(310)x=9(311)x=19(312)x=12(313)x=10(314)x=7(315)x=5(316)x=46(317)x=4(318)x=9(319)x=3(320)x=3(321)x=4(322)x=19(323)x=24(324)x=18(325)x=10(326)x=4(327)x=10(328)x=9(329)x=22(330)x=2(331)x=2(332)x=11(333)x=8(334)x=12(335)x=15(336)x=14(337)x=6(338)x=46(339)x=9(340)x=15(341)x=10(342)x=14(343)x=25(344)x=19(345)x=6(346)x=19(347)x=18(348)x=17(349)x=7(350)x=20(351)x=11(352)x=0.9(353)x=1(354)x=1.8(355)x=2.6(356)x=1.1(357)x=0.7(358)x=1.6(359)x=0.7(360)x=4.4(361)x=2(362)x=10(363)x=24(364)x=88(365)x=9(366)x=18(367)x=12(368)x=3(369)x=14(370)x=1.2(371)x=0.6(372)x=1.7(373)x=0.3(374)x=3.5(375)x=2.5(376)x=1.5(377)x=2.9(378)x=1.5(379)x=3(380)x=6(381)x=14(382)x=5(383)x=14(384)x=15(385)x=11(386)x=7(387)x=3(388)x=1.6(389)x=0.8(390)x=3.2(391)x=1.1(392)x=1.7(393)x=0