五年級數(shù)學(xué)(方程)專項練習(xí)題及答案

五年級數(shù)學(xué)(方程)專項練習(xí)題及答案(1)x+30=94(2)x+41=127(3)x+9=28(4)x+52=121(5)x+96=164(6)x+60=123(7)x+16=22(8)x+58=75(9)x+70=134(10)x-16=10(11)x-17=78(12)x-24=26(13)x-24=44(14)x-47=52(15)x-25=63(16)x-33=54(17)x-13=17(18)x-78=11(19)x+2.9=3.5(20)x+9.1=11.9(21)x+2.4=6.3(22)x+4.4=7.5(23)x+1=9.3(24)x+2.7=7.9(25)x+2.3=11.9(26)x+6.3=9.4(27)x+8.2=15.6(28)x-0.8=8.2(29)x-4.5=4.6(30)x-7.9=1.1(31)x-4.7=1.8(32)x-2=4.9(33)x-3.5=5.9(34)x-0.8=6.9(35)x-2.8=2.4(36)x-1.8=5.2(37)59+x=110(38)91+x=148(39)49+x=110(40)98+x=158(41)99+x=145(42)68+x=101(43)78+x=95(44)30+x=111(45)70+x=129(46)96-x=52(47)97-x=27(48)64-x=17(49)96-x=67(50)71-x=36(51)57-x=33(52)97-x=82(53)77-x=62(54)55-x=49(55)7.1+x=11.3(56)1.6+x=6.8(57)5.4+x=6.8(58)3+x=8.5(59)1.1+x=8.7(60)1+x=9.6(61)5+x=9.6(62)9.5+x=14.8(63)9.5+x=14.2(64)8.6-x=2.9(65)9.9-x=6.2(66)4.9-x=3.5(67)3.3-x=1.8(68)6.4-x=1.7(69)1.4-x=1.1(70)4-x=2.2(71)8-x=3.2(72)4.2-x=2.8(73)4x=72(74)41x=123(75)8x=192(76)9x=126(77)3x=177(78)7x=119(79)3x=42(80)3x=123(81)11x=154(82)2.9x=11.6(83)4.8x=14.4(84)1.6x=11.2(85)7.9x=15.8(86)3.2x=12.8(87)1x=20(88)1.3x=11.7(89)0.9x=19.8(90)5.8x=17.4(91)4x=8.8(92)20x=16(93)9x=18(94)3x=2.1(95)29x=5.8(96)2x=4.8(97)14x=2.8(98)34x=13.6(99)23x=4.6(100)174÷x=3(101)176÷x=8(102)50÷x=25(103)98÷x=49(104)100÷x=20(105)90÷x=6(106)145÷x=29(107)95÷x=5(108)176÷x=22(109)16.5÷x=1.5(110)11.2÷x=0.2(111)17.7÷x=0.3(112)2.1÷x=0.3(113)9.6÷x=0.8(114)7.8÷x=0.3(115)16.8÷x=0.7(116)16.8÷x=0.6(117)9.2÷x=0.4(118)x÷4=5(119)x÷8=21(120)x÷4=7(121)x÷7=28(122)x÷9=19(123)x÷24=4(124)x÷2=9(125)x÷10=15(126)x÷30=4(127)x÷4=4.4(128)x÷5=3.6(129)x÷2=4.5(130)x÷5=1.7(131)x÷6=3.1(132)x÷4=0.8(133)x÷82=0.2(134)x÷18=0.7(135)x÷8=1.2(136)39x+29=107(137)6x+43=175(138)9x+52=142(139)23x+57=103(140)35x+17=192(141)4x+29=41(142)3x+18=168(143)14x+27=139(144)18x+15=87(145)81x-25=137(146)19x-28=10(147)7x-30=159(148)7x-34=162(149)3x-43=44(150)17x-55=81(151)4x-34=122(152)4x-41=11(153)2x-54=74(154)5x+3.4=4.9(155)14x+3.3=21.5(156)23x+1.8=11(157)14x+2.1=14.7(158)4x+3.5=15.9(159)3x+3.6=6(160)2x+4=4.6(161)5x+2.7=20.2(162)2x+1.3=18.5(163)9.2x+1.8=20.2(164)1.3x+3.6=15.3(165)1.6x+2=11.6(166)0.2x+2.4=9.2(167)0.7x+1.6=11.4(168)0.4x+2.7=4.3(169)0.9x+4.1=17.6(170)0.2x+1.4=17.8(171)3.8x+1.2=8.8(172)42x-1.9=14.9(173)22x-2.8=14.8(174)3x-4.1=15.7(175)12x-2.9=12.7(176)2x-4.7=6.3(177)3x-4.7=14.2(178)2x-2.9=6.3(179)25x-5.7=14.3(180)2x-3.2=5.2(181)1.3x-5.3=3.8(182)0.3x-4=3.8(183)0.7x-2=4.3(184)7.2x-3=11.4(185)0.6x-3.4=15.8(186)5.2x-5.7=9.9(187)0.9x-3.4=1.1(188)0.2x-1=3.6(189)0.2x-2.7=13.9(190)159+2x=177(191)90+5x=165(192)26+38x=140(193)198+2x=246(194)152+53x=258(195)111+2x=271(196)193+13x=336(197)63+6x=249(198)28+5x=173(199)112-6x=52(200)53-3x=20(201)176-2x=114(202)125-26x=47(203)168-4x=112(204)135-2x=65(205)199-42x=115(206)85-31x=23(207)104-2x=100(208)13.4+0.4x=19.4(209)15.8+0.3x=16.4(210)1.4+5.7x=18.5(211)11.6+0.3x=19.4(212)1+1x=4(213)11.6+0.9x=17(214)2.6+0.9x=21.5(215)7.5+0.2x=14.7(216)10.5+0.2x=21.9(217)18.3+3x=24.9(218)1.6+7x=7.9(219)5.4+63x=18(220)16.3+57x=33.4(221)18.3+2x=37.7(222)11.3+2x=18.1(223)17.5+19x=28.9(224)7.2+47x=26(225)14.9+61x=33.2(226)12.3-0.6x=5.7(227)18.2-0.2x=14.8(228)19.8-4.4x=11(229)14.4-2.9x=2.8(230)17.8-5.9x=6(231)15-0.4x=1.4(232)19.3-3x=4.3(233)11.5-1.2x=1.9(234)12.9-0.3x=11.7(235)16.6-3x=10.3(236)14.7-35x=4.2(237)6.9-4x=5.7(238)8.8-3x=7.3(239)19.4-3x=10.7(240)19.9-8x=8.7(241)18.9-4x=14.9(242)16.3-23x=4.8(243)13.6-2x=4.6(244)40x÷6=20(245)54x÷6=27(246)7x÷3=21(247)3x÷33=4(248)4x÷10=18(249)8x÷28=4(250)33x÷66=3(251)51x÷3=34(252)18x÷6=21(253)5.1x÷6=1.7(254)5.2x÷4=2.6(255)0.6x÷63=0.2(256)0.5x÷15=1.1(257)0.3x÷25=0.6(258)3.1x÷62=0.2(259)8.7x÷58=0.3(260)5x÷5=3(261)1.6x÷2=4.8(262)13x÷4=2.6(263)6x÷52=0.3(264)12x÷44=0.3(265)27x÷3=1.8(266)15x÷6=2(267)12x÷30=0.2(268)4x÷8=1.2(269)28x÷56=0.3(270)7x÷21=0.9(271)15x+3x=126(272)6x+11x=170(273)17x+4x=210(274)5x+3x=32(275)9x+6x=75(276)18x+3x=147(277)17x+2x=57(278)7x+14x=231(279)14x+11x=225(280)12x-9x=12(281)5x-2x=45(282)18x-2x=96(283)14x-4x=30(284)18x-15x=15(285)16x-13x=36(286)7x-2x=50(287)12x-6x=78(288)17x-12x=15(289)7.8x+5x=153.6(290)5.8x+4.2x=150(291)8.3x+9x=103.8(292)8.6x+3.5x=84.7(293)0.6x+4.9x=44(294)5.7x+4.1x=166.6(295)9.8x+1.1x=54.5(296)0.8x+0.6x=32.2(297)3.7x+4.5x=90.2(298)6.1x-2.4x=55.5(299)7.1x-3.2x=46.8(300)1.5x-0.9x=18(301)7.1x-6.7x=4.8(302)6.8x-0.3x=52(303)9.3x-6.5x=8.4(304)5.6x-1.5x=16.4(305)3.8x-2.5x=33.8(306)7.6x-3.9x=48.1(307)4x+2x+4=190(308)3x+11x+15=127(309)14x+11x+34=109(310)4x+15x+29=124(311)15x+6x+38=206(312)5x+12x+21=293(313)2x+6x+5=181(314)6x+2x+43=131(315)10x+18x+26=82(316)5x+13x-8=100(317)3x+6x-4=194(318)2x+18x-29=71(319)14x+17x-38=272(320)8x+11x-45=202(321)10x+3x-39=39(322)5x+4x-4=77(323)11x+10x-2=271(324)10x+3x-20=214(325)9x-4x+33=83(326)11x-2x+37=199(327)10x-5x+35=125(328)14x-2x+6=90(329)14x-8x+24=60(330)12x-10x+4=34(331)17x-3x+40=124(332)7x-5x+37=53(333)8x-6x+13=49(334)7x-3x-29=51(335)14x-3x-32=67(336)14x-11x-7=23(337)11x-4x-48=50(338)19x-4x-36=54(339)9x-6x-3=42(340)6x-4x-43=23(341)10x-8x-8=28(342)10x-4x-7=29(343)1.7x+2.1x+0.3=163.7(344)1.2x+4x+3.4=71(345)0.4x+8.6x+1.4=91.4(346)2.6x+2.4x+3.1=128.1(347)2.4x+4.8x+3.6=32.4(348)7.8x+5.7x+4.2=166.2(349)7.8x+6.7x+4.8=120.8(350)0.7x+4.2x+1.8=109.6(351)2.5x+3.7x+4.5=109.9(352)36x+46x+1.2=58.6(353)24x+2x+1.7=108.3(354)49x+85x+2.5=123.1(355)59x+65x+3.8=53.4(356)10x+2x+3.6=120(357)31x+43x+3.3=121.7(358)32x+11x+3.7=76.8(359)6x+20x+2.8=21(360)24x+45x+2=22.7(361)8.9x+6.4x-1.3=151.7(362)6.6x+6.3x-3.8=60.7(363)5.7x+9.4x-1=104.7(364)5.5x+3.4x-2.7=86.3(365)2.5x+4.2x-0.7=12.7(366)9.6x+9x-1.7=72.7(367)4.1x+4.5x-1.6=110.2(368)1.4x+8.5x-1.4=38.2(369)4.8x+1.2x-2.4=75.6(370)88x+62x-3.8=101.2(371)61x+56x-4.4=171.1(372)63x+45x-3.1=18.5(373)35x+27x-2.8=71.6(374)55x+38x-2.2=165.2(375)19x+18x-1.4=179.9(376)27x+17x-4.7=12.9(377)86x+59x-0.3=159.2(378)4x+9x-4.7=27.8(379)1x-0.5x+2.6=33.6(380)8x-6x+3.8=11.8(381)9.3x-7.6x+4.3=12.8(382)6.2x-2.1x+4.6=16.9(383)6.1x-1x+4.7=20(384)3.2x-1.6x+2.6=18.6(385)3.4x-1.5x+1.1=22(386)5.6x-0.2x+3.6=30.6(387)8.2x-6.9x+2.2=6.1(388)54x-32x+2.1=8.7(389)41x-26x+2=9.5(390)28x-16x+3=29.4(391)84x-64x+1.3=21.3(392)49x-45x+0.2=3.4(393)33x-11x+2.9=49.1(394)19x-6x+1.9=46.1(395)55x-4x+3.8=90.5(396)15x-11x+4.4=25.6(397)7.8x-7x-4.5=1.1(398)7.1x-1.8x-0.7=36.4(399)6.7x-5.3x-2.5=3.1(400)9.6x-3.3x-3.6=15.3(401)6.9x-0.7x-2.8=9.6(402)9.9x-3.4x-1.1=24.9(403)6.1x-4.1x-2.5=15.5(404)5.2x-3.6x-2.6=2.2(405)5.7x-1.3x-0.2=26.2(406)39x-30x-4.5=14.4(407)86x-69x-4.1=9.5(408)98x-12x-4.9=38.1(409)62x-7x-1.5=59(410)74x-42x-4.8=33.6(411)91x-22x-2.5=66.5(412)97x-82x-4=5(413)30x-11x-3.4=13.7(414)46x-27x-2.3=28.1(415)7x+7×10=252(416)3x+19×9=228(417)4x+9×4=44(418)10x+7×11=237(419)11x+19×7=177(420)19x+97×2=384(421)3x+2×78=285(422)8x+2×35=150(423)11x+3×15=155(424)11x-4×18=38(425)2x-38×4=30(426)4x-37×2=30(427)4x-3×5=105(428)3x-30×2=132(429)2x-9×8=26(430)22x-8×10=118(431)7x-2×47=102(432)3x-5×8=56(433)1.5x+0.2×20=20.5(434)1.4x+0.2×7=7(435)4.9x+1×14=23.8(436)2.5x+2.4×5=24.5(437)2.7x+2.2×2=15.2(438)0.2x+0.4×37=24.4(439)1.1x+0.3×5=5.9(440)0.8x+1.7×11=28.3(441)1x+0.4×15=9(442)3x+4×1.1=10.1(443)17x+2×1.7=15.3(444)34x+17×0.5=25.5(445)23x+19×0.4=23.7(446)9x+11×0.9=19.8(447)4x+25×0.7=21.1(448)9x+10×1.6=20.5(449)2x+42×0.3=14.4(450)18x+19×0.7=22.3(451)0.5x-0.4×25=4(452)0.4x-0.3×2=16.2(453)4.9x-0.9×7=8.4(454)2.3x-1×9=2.5(455)0.8x-0.2×31=6.6(456)0.3x-1.5×4=4.5(457)2.7x-0.8×7=13.3(458)3.8x-2×6=7(459)2.1x-2.1×2=10.5(460)6x-14×0.2=6.8(461)5x-21×0.5=1.5(462)23x-3×1.5=7(463)26x-4×0.7=10.2(464)5x-15×0.2=10(465)26x-38×0.3=6.8(466)41x-7×1.2=3.9(467)42x-9×1.2=6(468)7x-12×0.9=8.1(469)2(3x+10)=116(470)3(x+15)=180(471)3(12x+13)=111(472)3(9x+17)=186(473)10(4x+4)=160(474)3(8x+28)=180(475)3(3x+20)=195(476)3(x+37)=150(477)2(7x+21)=112(478)5(4x-33)=155(479)3(9x-4)=42(480)5(7x-11)=190(481)6(3x-16)=66(482)2(3x-4)=172(483)11(x-26)=176(484)2(3x-28)=76(485)2(2x-19)=158(486)2(6x-32)=176(487)2(0.8x+2)=12(488)2(3.5x+5.5)=32(489)3(1.1x+1.8)=41.7(490)3(x+7.4)=34.2(491)12(0.7x+0.5)=31.2(492)5(1.9x+1.8)=28(493)3(0.2x+8.9)=44.1(494)4(0.2x+1.8)=45.6(495)4(1.2x+4.2)=45.6(496)2(1.2x-8.5)=33.4(497)16(0.5x-9.6)=38.4(498)4(0.4x-8.5)=44.4(499)22(0.2x-7.8)=22(500)3(2.1x-8.1)=26.1(501)7(5.9x-7.1)=32.9(502)16(2.5x-7.2)=44.8(503)11(5.1x-7.1)=34.1(504)8(0.4x-8.7)=10.4(505)(16x+10)÷3=62(506)(6x+31)÷29=5(507)(13x+11)÷11=14(508)(4x+48)÷21=4(509)(3x+23)÷4=17(510)(9x+7)÷2=107(511)(14x+44)÷10=17(512)(3x+6)÷5=12(513)(11x+28)÷5=21(514)(17x-9)÷5=39(515)(x-7)÷3=4(516)(13x-25)÷14=14(517)(10x-20)÷22=10(518)(8x-37)÷25=3(519)(10x-16)÷3=18(520)(11x-47)÷24=4(521)(5x-34)÷6=16(522)(13x-3)÷19=6(523)(2.9x+7.1)÷5=7.8(524)(9x+9.2)÷8=12.4(525)(4.8x+3)÷23=1.8(526)(1.7x+8.1)÷2=8.3(527)(7.4x+2.4)÷8=4(528)(2.9x+1.8)÷9=3.1(529)(7.7x+7)÷2=49.7(530)(5.9x+6.5)÷24=1.5(531)(4.1x+1.5)÷8=8.9(532)(6.1x-2.9)÷3=9.2(533)(9.7x-8.3)÷3=13.4(534)(3.8x-2.6)÷3=8(535)(4.1x-6.4)÷2=33.7(536)(2.1x-3.6)÷6=3.6(537)(6.8x-1.8)÷14=5.7(538)(4.7x-9.9)÷23=1(539)(6.3x-0.6)÷17=3.3(540)(2x-3)÷5=3參考答案(1)x=64(2)x=86(3)x=19(4)x=69(5)x=68(6)x=63(7)x=6(8)x=17(9)x=64(10)x=26(11)x=95(12)x=50(13)x=68(14)x=99(15)x=88(16)x=87(17)x=30(18)x=89(19)x=0.6(20)x=2.8(21)x=3.9(22)x=3.1(23)x=8.3(24)x=5.2(25)x=9.6(26)x=3.1(27)x=7.4(28)x=9(29)x=9.1(30)x=9(31)x=6.5(32)x=6.9(33)x=9.4(34)x=7.7(35)x=5.2(36)x=7(37)x=51(38)x=57(39)x=61(40)x=60(41)x=46(42)x=33(43)x=17(44)x=81(45)x=59(46)x=44(47)x=70(48)x=47(49)x=29(50)x=35(51)x=24(52)x=15(53)x=15(54)x=6(55)x=4.2(56)x=5.2(57)x=1.4(58)x=5.5(59)x=7.6(60)x=8.6(61)x=4.6(62)x=5.3(63)x=4.7(64)x=5.7(65)x=3.7(66)x=1.4(67)x=1.5(68)x=4.7(69)x=0.3(70)x=1.8(71)x=4.8(72)x=1.4(73)x=18(74)x=3(75)x=24(76)x=14(77)x=59(78)x=17(79)x=14(80)x=41(81)x=14(82)x=4(83)x=3(84)x=7(85)x=2(86)x=4(87)x=20(88)x=9(89)x=22(90)x=3(91)x=2.2(92)x=0.8(93)x=2(94)x=0.7(95)x=0.2(96)x=2.4(97)x=0.2(98)x=0.4(99)x=0.2(100)x=58(101)x=22(102)x=2(103)x=2(104)x=5(105)x=15(106)x=5(107)x=19(108)x=8(109)x=11(110)x=56(111)x=59(112)x=7(113)x=12(114)x=26(115)x=24(116)x=28(117)x=23(118)x=20(119)x=168(120)x=28(121)x=196(122)x=171(123)x=96(124)x=18(125)x=150(126)x=120(127)x=17.6(128)x=18(129)x=9(130)x=8.5(131)x=18.6(132)x=3.2(133)x=16.4(134)x=12.6(135)x=9.6(136)x=2(137)x=22(138)x=10(139)x=2(140)x=5(141)x=3(142)x=50(143)x=8(144)x=4(145)x=2(146)x=2(147)x=27(148)x=28(149)x=29(150)x=8(151)x=39(152)x=13(153)x=64(154)x=0.3(155)x=1.3(156)x=0.4(157)x=0.9(158)x=3.1(159)x=0.8(160)x=0.3(161)x=3.5(162)x=8.6(163)x=2(164)x=9(165)x=6(166)x=34(167)x=14(168)x=4(169)x=15(170)x=82(171)x=2(172)x=0.4(173)x=0.8(174)x=6.6(175)x=1.3(176)x=5.5(177)x=6.3(178)x=4.6(179)x=0.8(180)x=4.2(181)x=7(182)x=26(183)x=9(184)x=2(185)x=32(186)x=3(187)x=5(188)x=23(189)x=83(190)x=9(191)x=15(192)x=3(193)x=24(194)x=2(195)x=80(196)x=11(197)x=31(198)x=29(199)x=10(200)x=11(201)x=31(202)x=3(203)x=14(204)x=35(205)x=2(206)x=2(207)x=2(208)x=15(209)x=2(210)x=3(211)x=26(212)x=3(213)x=6(214)x=21(215)x=36(216)x=57(217)x=2.2(218)x=0.9(219)x=0.2(220)x=0.3(221)x=9.7(222)x=3.4(223)x=0.6(224)x=0.4(225)x=0.3(226)x=11(227)x=17(228)x=2(229)x=4(230)x=2(231)x=34(232)x=5(233)x=8(234)x=4(235)x=2.1(236)x=0.3(237)x=0.3(238)x=0.5(239)x=2.9(240)x=1.4(241)x=1(242)x=0.5(243)x=4.5(244)x=3(245)x=3(246)x=9(247)x=44(248)x=45(249)x=14(250)x=6(251)x=2(252)x=7(253)x=2(254)x=2(255)x=21(256)x=33(257)x=50(258)x=4(259)x=2(260)x=3(261)x=6(262)x=0.8(263)x=2.6(264)x=1.1(265)x=0.2(266)x=0.8(267)x=0.5(268)x=2.4(269)x=0.6(270)x=2.7(271)x=7(272)x=10(273)x=10(274)x=4(275)x=5(276)x=7(277)x=3(278)x=11(279)x=9(280)x=4(281)x=15(282)x=6(283)x=3(284)x=5(285)x=12(286)x=10(287)x=13(288)x=3(289)x=12(290)x=15(291)x=6(292)x=7(293)x=8(294)x=17(295)x=5(296)x=23(297)x=11(298)x=15(299)x=12(300)x=30(301)x=12(302)x=8(303)x=3(304)x=4(305)x=26(306)x=13(307)x=31(308)x=8(309)x=3(310)x=5(311)x=8(312)x=16(313)x=22(314)x=11(315)x=2(316)x=6(317)x=22(318)x=5(319)x=10(320)x=13(321)x=6(322)x=9(323)x=13(324)x=18(325)x=10(326)x=18(327)x=18(328)x=7(329)x=6(330)x=15(331)x=6(332)x=8(333)x=18(334)x=20(335)x=9(336)x=10(337)x=14(338)x=6(339)x=15(340)x=33(341)x=18(342)x=6(343)x=43(344)x=13(345)x=10(346)x=25(347)x=4(348)x=12(349)x=8(350)x=22(351)x=17(352)x=0.7(353)x=4.1(354)x=0.9(355)x=0.4(356)x=9.7(357)x=1.6(358)x=1.7(359)x=0.7(360)x=0.3(361)x=10(362)x=5(363)x=7(364)x=10(365)x=2(366)x=4(367)x=13(368)x=4(369)x=13(370)x=0.7(371)x=1.5(372)x=0.2(373)x=1.2(374)x=1.8(375)x=4.9(376)x=0.4(377)x=1.1(378)x=2.5(379)x=62(380)x=4(381)x=5(382)x=3(383)x=3(384)x=10(385)x=11(386)x=5(387)x=3(388)x=0.3(389)x=0.5(390)x=2.2(391)x=1(392)