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+2=11(2)x+41=98(3)x+17=112(4)x+40=135(5)x+13=100(6)x+98=120(7)x+6=41(8)x+67=146(9)x+44=143(10)x-45=37(11)x-36=44(12)x-23=60(13)x-65=14(14)x-42=54(15)x-62=25(16)x-7=68(17)x-28=55(18)x-31=47(19)x+8.3=15.9(20)x+4=6.4(21)x+2.5=4.3(22)x+8=13.8(23)x+4.7=8.7(24)x+5.2=12.9(25)x+4.6=5.7(26)x+9.4=13.1(27)x+9.8=19.3(28)x-7.1=2.1(29)x-1.4=5.8(30)x-2.8=1.6(31)x-6.8=2.7(32)x-2.9=2(33)x-3=1.7(34)x-3.5=5.6(35)x-4=5.2(36)x-5.6=3.1(37)80+x=110(38)98+x=100(39)69+x=119(40)87+x=145(41)87+x=171(42)73+x=99(43)15+x=21(44)9+x=62(45)26+x=59(46)59-x=43(47)90-x=23(48)93-x=25(49)90-x=24(50)97-x=51(51)86-x=84(52)97-x=65(53)93-x=50(54)43-x=22(55)2.6+x=6(56)3.6+x=4.1(57)9.3+x=10.3(58)3.2+x=9.2(59)2.4+x=5.2(60)6.1+x=6.6(61)5.8+x=11.5(62)3.4+x=13.3(63)3.3+x=7.3(64)4.3-x=3.2(65)9.5-x=1.2(66)7.1-x=6.4(67)4.5-x=1.1(68)5.5-x=2.3(69)3.2-x=2.5(70)8.9-x=7.3(71)8.6-x=6.4(72)9.7-x=7.2(73)43x=86(74)5x=185(75)4x=128(76)16x=80(77)2x=50(78)3x=54(79)7x=77(80)11x=110(81)3x=24(82)1x=8(83)0.4x=9.6(84)0.3x=18.3(85)2.5x=20(86)0.7x=4.9(87)5.6x=11.2(88)0.4x=6.8(89)1.1x=8.8(90)0.2x=12.6(91)4x=18.4(92)30x=18(93)43x=12.9(94)13x=2.6(95)25x=10(96)42x=12.6(97)6x=12.6(98)2x=3.2(99)3x=10.5(100)62÷x=31(101)144÷x=12(102)169÷x=13(103)195÷x=39(104)132÷x=44(105)125÷x=5(106)135÷x=5(107)189÷x=27(108)120÷x=12(109)17.6÷x=1.1(110)5.4÷x=1.8(111)18.2÷x=2.6(112)18.9÷x=2.1(113)10÷x=2(114)7.2÷x=0.2(115)12÷x=1.2(116)18.2÷x=1.4(117)16.6÷x=0.2(118)x÷20=3(119)x÷46=2(120)x÷7=28(121)x÷10=16(122)x÷13=12(123)x÷12=7(124)x÷10=19(125)x÷2=38(126)x÷11=10(127)x÷2=3.6(128)x÷3=4.3(129)x÷46=0.4(130)x÷17=0.8(131)x÷3=2(132)x÷12=0.4(133)x÷3=2.8(134)x÷25=0.2(135)x÷17=0.9(136)21x+20=209(137)20x+24=164(138)74x+40=188(139)9x+28=172(140)25x+39=164(141)92x+25=209(142)11x+37=158(143)2x+21=197(144)27x+44=179(145)23x-18=143(146)2x-41=23(147)31x-21=41(148)42x-35=133(149)49x-36=111(150)5x-33=107(151)41x-44=79(152)24x-46=26(153)3x-51=69(154)22x+1.6=19.2(155)14x+2.8=21(156)13x+3.9=14.3(157)6x+1.8=12(158)61x+4.3=22.6(159)4x+5.9=25.9(160)8x+4=17.6(161)65x+5.3=18.3(162)9x+4.8=17.4(163)2.3x+5.9=24.3(164)9.6x+1.6=20.8(165)0.4x+4.1=22.1(166)0.9x+1.7=12.5(167)0.8x+3.1=7.9(168)0.8x+5=25(169)1.4x+1.8=11.6(170)9.7x+3.2=22.6(171)0.5x+4.8=18.8(172)6x-4.8=15(173)92x-1.9=16.5(174)78x-5.9=9.7(175)51x-4.3=11(176)16x-5.4=5.8(177)98x-1.7=17.9(178)9x-2.2=5.9(179)2x-1.3=4.5(180)31x-4.5=7.9(181)1.8x-4=5(182)1.4x-4.3=15.3(183)9.3x-2.9=15.7(184)6.6x-5.8=14(185)0.5x-4.9=1.1(186)6.2x-2=10.4(187)0.9x-3.5=1.9(188)0.2x-5.2=12.8(189)2.6x-5.4=7.6(190)15+79x=173(191)113+26x=191(192)65+2x=241(193)146+4x=262(194)187+63x=376(195)102+7x=214(196)29+10x=49(197)91+86x=263(198)35+28x=231(199)190-6x=172(200)199-10x=179(201)108-2x=52(202)133-2x=41(203)139-52x=35(204)50-2x=28(205)100-5x=40(206)103-15x=58(207)186-35x=116(208)9.3+0.2x=12.1(209)13.4+0.4x=18.2(210)6+1.5x=18(211)15.3+0.6x=24.3(212)4.3+1.1x=12(213)2.4+1.8x=22.2(214)5.2+0.2x=13(215)1.1+1.8x=20.9(216)6.7+3.3x=23.2(217)5.3+43x=13.9(218)5.1+31x=11.3(219)11.8+26x=19.6(220)19.2+35x=36.7(221)14.5+3x=28.3(222)8.6+5x=21.1(223)17.7+2x=32.9(224)12.2+18x=17.6(225)19.6+18x=35.8(226)9.8-1.2x=5(227)16.8-1.1x=13.5(228)18.9-2.5x=8.9(229)11.4-1.2x=4.2(230)19.3-0.5x=9.3(231)13.3-0.9x=10.6(232)13.7-1.4x=1.1(233)16-1.8x=12.4(234)13.1-1.9x=7.4(235)17.8-6x=1.6(236)18.5-2x=7.3(237)18.8-11x=12.2(238)6.3-16x=1.5(239)13.1-3x=8(240)5.8-4x=1.4(241)16.8-2x=11.8(242)14.3-18x=7.1(243)19-4x=1.4(244)2x÷38=4(245)8x÷11=16(246)5x÷10=8(247)15x÷18=5(248)5x÷35=4(249)28x÷70=2(250)15x÷6=30(251)11x÷44=3(252)4x÷48=3(253)4x÷12=1(254)0.3x÷57=0.2(255)1.8x÷27=0.2(256)0.2x÷4=3.3(257)3x÷25=0.6(258)5.2x÷78=0.2(259)1.3x÷26=0.4(260)0.8x÷2=3.6(261)0.3x÷12=1.6(262)18x÷63=0.2(263)87x÷29=0.6(264)5x÷10=0.3(265)3x÷6=1.8(266)20x÷60=0.3(267)75x÷25=0.6(268)28x÷42=0.4(269)17x÷34=0.4(270)33x÷11=0.9(271)7x+18x=125(272)17x+11x=224(273)3x+4x=42(274)9x+5x=210(275)12x+19x=155(276)6x+8x=140(277)6x+5x=220(278)9x+4x=39(279)4x+14x=216(280)13x-5x=88(281)13x-4x=18(282)9x-6x=15(283)15x-13x=10(284)6x-3x=78(285)16x-3x=91(286)11x-8x=18(287)15x-10x=40(288)17x-9x=48(289)7.1x+2.3x=75.2(290)1.1x+4.4x=88(291)6.9x+8.8x=141.3(292)6.1x+8.3x=144(293)0.4x+0.5x=72(294)2.7x+3.5x=62(295)5x+0.6x=95.2(296)9.4x+8.1x=35(297)0.8x+4.6x=54(298)5.4x-3.8x=25.6(299)5.3x-0.2x=71.4(300)3.3x-0.4x=43.5(301)8.5x-3.3x=31.2(302)5.7x-3.9x=10.8(303)8.7x-1x=46.2(304)6.3x-3.6x=8.1(305)6.1x-5.3x=11.2(306)1.4x-0.8x=10.8(307)6x+7x+44=356(308)2x+17x+21=192(309)12x+3x+18=123(310)17x+18x+25=95(311)11x+2x+23=88(312)11x+6x+2=274(313)11x+18x+48=309(314)11x+9x+28=268(315)16x+17x+21=384(316)3x+13x-2=222(317)3x+4x-29=293(318)7x+3x-15=65(319)8x+10x-12=222(320)18x+3x-20=64(321)13x+6x-33=43(322)15x+11x-49=55(323)10x+3x-19=59(324)4x+2x-21=27(325)17x-14x+46=64(326)7x-2x+2=52(327)14x-2x+34=94(328)6x-3x+49=115(329)17x-15x+18=36(330)19x-7x+34=82(331)19x-11x+6=30(332)9x-2x+23=135(333)10x-3x+8=148(334)17x-8x-15=84(335)4x-2x-2=40(336)13x-5x-32=32(337)12x-3x-20=79(338)15x-4x-18=70(339)16x-3x-10=55(340)6x-2x-31=41(341)8x-6x-5=31(342)14x-6x-17=63(343)7.9x+7.4x+2=170.3(344)0.3x+1.4x+2.1=95.6(345)0.8x+0.3x+2.4=69.5(346)1.8x+3x+1.1=101.9(347)4.1x+4.9x+4.4=58.4(348)4.3x+7.7x+2.5=50.5(349)5.5x+0.9x+3.3=35.3(350)1x+4.8x+1.2=117.2(351)0.2x+6.7x+1.7=43.1(352)42x+11x+0.3=63.9(353)12x+3x+3.1=33.1(354)25x+44x+2.3=140.3(355)75x+58x+4.7=57.9(356)2x+4x+1.1=4.1(357)47x+65x+1=124.2(358)50x+64x+4.7=175.7(359)44x+13x+2.7=105.3(360)54x+83x+0.5=123.8(361)7.2x+4.1x-1.3=55.2(362)2.1x+2.6x-3.3=24.9(363)4.3x+5.8x-2.8=88.1(364)9.5x+9.2x-2.7=109.5(365)0.7x+2x-4.5=117(366)1.7x+0.8x-1.6=123.4(367)2.8x+4x-3.3=17.1(368)4.1x+0.4x-1=35(369)1.6x+1.8x-2.3=89.5(370)46x+47x-4.4=116.5(371)67x+20x-2.7=58.2(372)6x+2x-1.5=24.1(373)4x+6x-1.3=20.7(374)35x+9x-0.5=87.5(375)18x+57x-2.1=12.9(376)7x+3x-0.2=16.8(377)20x+2x-3.7=16.1(378)23x+58x-4.9=84.2(379)1.7x-0.4x+0.3=32.8(380)3.4x-1.8x+4=10.4(381)3.4x-0.5x+1.1=56.2(382)8.1x-6.6x+0.9=17.4(383)2.8x-1.3x+3.2=19.7(384)3.7x-1.4x+3.4=26.4(385)8.1x-0.7x+0.3=66.9(386)2.4x-0.9x+0.8=3.8(387)8.7x-7.8x+3=10.2(388)87x-18x+2.2=57.4(389)65x-39x+1.7=30.3(390)50x-14x+2.3=34.7(391)57x-40x+0.2=20.6(392)51x-46x+1.6=9.1(393)34x-15x+2.7=38.8(394)19x-13x+1.1=22.1(395)47x-35x+2.6=8.6(396)53x-5x+4.3=37.9(397)9.5x-3.8x-4=24.5(398)3.5x-3x-2.7=10.3(399)7.2x-5.9x-0.7=1.9(400)2.9x-2.6x-3.4=4.1(401)4.6x-0.7x-4.3=30.8(402)2.9x-2.4x-2.2=10.8(403)1.6x-0.7x-3.7=38.6(404)5.3x-4.3x-3.7=7.3(405)1.8x-0.8x-0.8=3.2(406)34x-22x-0.8=34(407)24x-12x-3.9=2.1(408)14x-11x-2=18.4(409)63x-29x-0.2=10(410)41x-24x-3.8=28.5(411)55x-8x-3.7=10.4(412)77x-40x-4.6=21.3(413)53x-34x-4.4=3.2(414)50x-10x-4.3=43.7(415)29x+17×2=179(416)22x+9×14=258(417)10x+4×50=350(418)14x+2×79=214(419)11x+5×28=294(420)6x+2×21=66(421)27x+2×37=155(422)3x+4×43=304(423)25x+3×31=193(424)5x-10×4=125(425)8x-2×11=98(426)2x-3×43=59(427)5x-35×2=125(428)5x-5×14=85(429)18x-4×6=84(430)2x-2×11=114(431)15x-19×2=37(432)17x-2×51=34(433)3.8x+0.8×11=24(434)0.3x+0.9×3=8.7(435)2x+0.8×16=26.8(436)0.3x+0.9×13=21(437)0.9x+0.3×34=16.5(438)1.4x+0.4×7=9.8(439)1.2x+0.4×49=28(440)2.4x+0.2×31=11(441)1.6x+4×4=19.2(442)10x+17×1=26(443)8x+3×3=10.6(444)5x+9×1.4=13.6(445)5x+30×0.6=26(446)6x+25×0.3=23.7(447)4x+8×2.1=32(448)3x+25×0.8=33.2(449)2x+4×3.3=19.4(450)4x+8×0.9=10.8(451)1.3x-3.5×2=6(452)0.3x-0.2×9=9(453)0.8x-0.3×31=10.7(454)4.5x-2.4×4=8.4(455)0.8x-1.4×3=14.2(456)1.8x-0.5×16=11.8(457)0.5x-0.6×15=2.5(458)0.3x-1.6×3=8.1(459)1.4x-0.3×25=7.9(460)4x-2×4.6=4(461)17x-8×1=7.3(462)16x-44×0.2=2.4(463)24x-5×2.2=1(464)22x-2×3=9.4(465)11x-7×1.4=1.2(466)21x-19×0.2=10.9(467)9x-4×3.4=1.7(468)5x-17×0.7=7.1(469)5(x+2)=155(470)2(9x+49)=170(471)4(3x+18)=192(472)3(x+32)=186(473)3(14x+32)=180(474)4(x+11)=56(475)3(x+35)=195(476)4(8x+7)=156(477)3(4x+13)=75(478)6(2x-41)=198(479)11(17x-36)=165(480)15(14x-18)=150(481)3(11x-40)=78(482)3(29x-22)=108(483)2(21x-28)=112(484)4(2x-45)=76(485)2(x-6)=72(486)2(2x-22)=44(487)2(0.6x+1.2)=15.6(488)4(0.8x+0.5)=46.8(489)2(0.4x+5.7)=47.4(490)3(2.7x+3.5)=34.8(491)3(2x+5.1)=33.3(492)2(0.2x+4.5)=11.8(493)3(0.6x+6.2)=34.8(494)4(0.2x+3.7)=34.8(495)10(0.6x+1.3)=31(496)16(0.4x-3.9)=40(497)5(1.4x-7.6)=46(498)5(0.3x-7.1)=9.5(499)11(6.1x-9.3)=31.9(500)2(0.7x-7.1)=48.8(501)3(2.8x-5.6)=8.4(502)8(1.7x-8.3)=15.2(503)3(2.8x-7.1)=12.3(504)17(0.4x-1.7)=45.9(505)(19x+44)÷5=24(506)(2x+28)÷22=3(507)(11x+32)÷15=19(508)(11x+22)÷11=14(509)(15x+28)÷37=4(510)(6x+34)÷14=5(511)(6x+7)÷5=35(512)(x+25)÷2=24(513)(x+17)÷7=6(514)(2x-10)÷2=20(515)(9x-11)÷2=98(516)(16x-40)÷8=31(517)(3x-33)÷12=1(518)(11x-49)÷35=3(519)(6x-22)÷4=5(520)(13x-6)÷9=8(521)(14x-12)÷2=15(522)(7x-23)÷9=20(523)(7.9x+2)÷21=1.6(524)(3.8x+9)÷2=27.3(525)(5.9x+4.8)÷7=4.9(526)(2.2x+4.7)÷3=8.9(527)(2.3x+5.4)÷24=0.8(528)(1.3x+8.4)÷4=4.7(529)(7.7x+2.5)÷32=0.8(530)(4x+0.8)÷16=1.3(531)(7.5x+8.8)÷26=3.8(532)(3.6x-6)÷8=5.1(533)(9.7x-0.7)÷11=1.7(534)(6.1x-2)÷3=21.7(535)(2.1x-9.4)÷10=2(536)(7.4x-3.7)÷37=0.9(537)(0.7x-2.6)÷18=0.4(538)(7x-3.1)÷29=1.1(539)(4.4x-8.4)÷32=0.7(540)(6.5x-0.5)÷17=1.5參考答案(1)x=9(2)x=57(3)x=95(4)x=95(5)x=87(6)x=22(7)x=35(8)x=79(9)x=99(10)x=82(11)x=80(12)x=83(13)x=79(14)x=96(15)x=87(16)x=75(17)x=83(18)x=78(19)x=7.6(20)x=2.4(21)x=1.8(22)x=5.8(23)x=4(24)x=7.7(25)x=1.1(26)x=3.7(27)x=9.5(28)x=9.2(29)x=7.2(30)x=4.4(31)x=9.5(32)x=4.9(33)x=4.7(34)x=9.1(35)x=9.2(36)x=8.7(37)x=30(38)x=2(39)x=50(40)x=58(41)x=84(42)x=26(43)x=6(44)x=53(45)x=33(46)x=16(47)x=67(48)x=68(49)x=66(50)x=46(51)x=2(52)x=32(53)x=43(54)x=21(55)x=3.4(56)x=0.5(57)x=1(58)x=6(59)x=2.8(60)x=0.5(61)x=5.7(62)x=9.9(63)x=4(64)x=1.1(65)x=8.3(66)x=0.7(67)x=3.4(68)x=3.2(69)x=0.7(70)x=1.6(71)x=2.2(72)x=2.5(73)x=2(74)x=37(75)x=32(76)x=5(77)x=25(78)x=18(79)x=11(80)x=10(81)x=8(82)x=8(83)x=24(84)x=61(85)x=8(86)x=7(87)x=2(88)x=17(89)x=8(90)x=63(91)x=4.6(92)x=0.6(93)x=0.3(94)x=0.2(95)x=0.4(96)x=0.3(97)x=2.1(98)x=1.6(99)x=3.5(100)x=2(101)x=12(102)x=13(103)x=5(104)x=3(105)x=25(106)x=27(107)x=7(108)x=10(109)x=16(110)x=3(111)x=7(112)x=9(113)x=5(114)x=36(115)x=10(116)x=13(117)x=83(118)x=60(119)x=92(120)x=196(121)x=160(122)x=156(123)x=84(124)x=190(125)x=76(126)x=110(127)x=7.2(128)x=12.9(129)x=18.4(130)x=13.6(131)x=6(132)x=4.8(133)x=8.4(134)x=5(135)x=15.3(136)x=9(137)x=7(138)x=2(139)x=16(140)x=5(141)x=2(142)x=11(143)x=88(144)x=5(145)x=7(146)x=32(147)x=2(148)x=4(149)x=3(150)x=28(151)x=3(152)x=3(153)x=40(154)x=0.8(155)x=1.3(156)x=0.8(157)x=1.7(158)x=0.3(159)x=5(160)x=1.7(161)x=0.2(162)x=1.4(163)x=8(164)x=2(165)x=45(166)x=12(167)x=6(168)x=25(169)x=7(170)x=2(171)x=28(172)x=3.3(173)x=0.2(174)x=0.2(175)x=0.3(176)x=0.7(177)x=0.2(178)x=0.9(179)x=2.9(180)x=0.4(181)x=5(182)x=14(183)x=2(184)x=3(185)x=12(186)x=2(187)x=6(188)x=90(189)x=5(190)x=2(191)x=3(192)x=88(193)x=29(194)x=3(195)x=16(196)x=2(197)x=2(198)x=7(199)x=3(200)x=2(201)x=28(202)x=46(203)x=2(204)x=11(205)x=12(206)x=3(207)x=2(208)x=14(209)x=12(210)x=8(211)x=15(212)x=7(213)x=11(214)x=39(215)x=11(216)x=5(217)x=0.2(218)x=0.2(219)x=0.3(220)x=0.5(221)x=4.6(222)x=2.5(223)x=7.6(224)x=0.3(225)x=0.9(226)x=4(227)x=3(228)x=4(229)x=6(230)x=20(231)x=3(232)x=9(233)x=2(234)x=3(235)x=2.7(236)x=5.6(237)x=0.6(238)x=0.3(239)x=1.7(240)x=1.1(241)x=2.5(242)x=0.4(243)x=4.4(244)x=76(245)x=22(246)x=16(247)x=6(248)x=28(249)x=5(250)x=12(251)x=12(252)x=36(253)x=3(254)x=38(255)x=3(256)x=66(257)x=5(258)x=3(259)x=8(260)x=9(261)x=64(262)x=0.7(263)x=0.2(264)x=0.6(265)x=3.6(266)x=0.9(267)x=0.2(268)x=0.6(269)x=0.8(270)x=0.3(271)x=5(272)x=8(273)x=6(274)x=15(275)x=5(276)x=10(277)x=20(278)x=3(279)x=12(280)x=11(281)x=2(282)x=5(283)x=5(284)x=26(285)x=7(286)x=6(287)x=8(288)x=6(289)x=8(290)x=16(291)x=9(292)x=10(293)x=80(294)x=10(295)x=17(296)x=2(297)x=10(298)x=16(299)x=14(300)x=15(301)x=6(302)x=6(303)x=6(304)x=3(305)x=14(306)x=18(307)x=24(308)x=9(309)x=7(310)x=2(311)x=5(312)x=16(313)x=9(314)x=12(315)x=11(316)x=14(317)x=46(318)x=8(319)x=13(320)x=4(321)x=4(322)x=4(323)x=6(324)x=8(325)x=6(326)x=10(327)x=5(328)x=22(329)x=9(330)x=4(331)x=3(332)x=16(333)x=20(334)x=11(335)x=21(336)x=8(337)x=11(338)x=8(339)x=5(340)x=18(341)x=18(342)x=10(343)x=11(344)x=55(345)x=61(346)x=21(347)x=6(348)x=4(349)x=5(350)x=20(351)x=6(352)x=1.2(353)x=2(354)x=2(355)x=0.4(356)x=0.5(357)x=1.1(358)x=1.5(359)x=1.8(360)x=0.9(361)x=5(362)x=6(363)x=9(364)x=6(365)x=45(366)x=50(367)x=3(368)x=8(369)x=27(370)x=1.3(371)x=0.7(372)x=3.2(373)x=2.2(374)x=2(375)x=0.2(376)x=1.7(377)x=0.9(378)x=1.1(379)x=25(380)x=4(381)x=19(382)x=11(383)x=11(384)x=10(385)x=9(386)x=2(387)x=8(388)x=0.8(389)x=1.1(390)x=0.9(391)x=1.2(392)