五年級數(shù)學(方程)專項練習題及答案

五年級數(shù)學(方程)專項練習題及答案(1)x+52=132(2)x+20=107(3)x+97=192(4)x+60=153(5)x+99=134(6)x+22=75(7)x+91=173(8)x+35=90(9)x+37=59(10)x-51=38(11)x-25=57(12)x-47=31(13)x-17=45(14)x-65=28(15)x-49=16(16)x-63=19(17)x-21=20(18)x-25=10(19)x+1.2=4.8(20)x+0.2=9.8(21)x+1.9=4.9(22)x+3.2=7.9(23)x+1=4.2(24)x+5=14.9(25)x+1.8=3.3(26)x+7.6=15.1(27)x+0.2=5.3(28)x-6.4=1.8(29)x-0.8=7.5(30)x-4.2=3.3(31)x-0.9=2.4(32)x-4.3=5.1(33)x-4.4=1.6(34)x-2.3=2.1(35)x-6.9=2.5(36)x-1.6=6.6(37)96+x=169(38)36+x=101(39)57+x=153(40)24+x=69(41)80+x=94(42)9+x=51(43)45+x=78(44)9+x=92(45)16+x=67(46)39-x=23(47)47-x=41(48)64-x=32(49)64-x=54(50)97-x=95(51)99-x=34(52)99-x=31(53)91-x=63(54)98-x=59(55)9.3+x=18.7(56)7.4+x=15(57)3.9+x=12.5(58)7.2+x=7.5(59)8.9+x=16.4(60)7.8+x=10.2(61)4.4+x=12.4(62)4.7+x=6.9(63)5+x=8.3(64)8.5-x=4.7(65)9.1-x=3.3(66)9.3-x=6.1(67)4.1-x=1(68)7.1-x=2.3(69)8.8-x=5.4(70)7.4-x=5.7(71)9.3-x=2.9(72)9.8-x=1.4(73)24x=72(74)2x=40(75)14x=84(76)7x=133(77)62x=124(78)11x=176(79)36x=144(80)2x=148(81)3x=18(82)0.2x=1(83)1.6x=9.6(84)0.2x=15(85)0.2x=5.8(86)2.8x=8.4(87)0.2x=16.6(88)1.1x=14.3(89)4.5x=13.5(90)0.2x=4.2(91)30x=6(92)2x=9.8(93)47x=18.8(94)6x=16.2(95)24x=9.6(96)3x=12.9(97)2x=15.6(98)32x=6.4(99)2x=11.2(100)66÷x=11(101)176÷x=4(102)104÷x=4(103)153÷x=17(104)90÷x=3(105)171÷x=19(106)88÷x=8(107)33÷x=11(108)128÷x=32(109)11.7÷x=1.3(110)8.8÷x=0.8(111)18.7÷x=1.1(112)11.4÷x=0.3(113)13.3÷x=0.7(114)9.6÷x=0.6(115)19.8÷x=3.3(116)6.4÷x=0.4(117)1.8÷x=0.2(118)x÷3=11(119)x÷3=12(120)x÷59=3(121)x÷3=23(122)x÷9=11(123)x÷5=37(124)x÷4=44(125)x÷6=14(126)x÷3=35(127)x÷8=0.4(128)x÷5=1.9(129)x÷89=0.2(130)x÷91=0.2(131)x÷12=0.3(132)x÷5=3.1(133)x÷6=2.1(134)x÷9=0.8(135)x÷10=0.2(136)13x+57=109(137)3x+44=164(138)5x+26=206(139)10x+56=216(140)25x+46=171(141)19x+28=104(142)81x+25=187(143)28x+22=190(144)9x+30=147(145)14x-23=75(146)5x-22=33(147)4x-59=109(148)65x-53=77(149)45x-31=104(150)14x-27=29(151)3x-16=104(152)5x-29=51(153)7x-44=96(154)10x+2.4=11.4(155)2x+5.3=24.7(156)2x+2.4=18.6(157)3x+4.2=24(158)10x+4.3=14.3(159)13x+3.6=20.5(160)52x+3=13.4(161)5x+3.4=13.9(162)12x+5.7=20.1(163)0.6x+3=7.8(164)0.8x+3.8=19(165)3.1x+2.3=14.7(166)0.7x+5.9=11.5(167)4.2x+2.5=15.1(168)0.2x+2=3.6(169)0.5x+4.3=9.8(170)0.7x+3.4=12.5(171)2x+4.5=12.5(172)9x-2.6=9.1(173)16x-2.9=9.9(174)27x-1.8=3.6(175)49x-1.4=18.2(176)7x-3.2=4.5(177)2x-3.4=14.6(178)6x-4.5=4.5(179)2x-2.9=9.1(180)2x-4.7=10.5(181)0.5x-2.1=7.4(182)0.2x-3=8.2(183)1.2x-4.2=6.6(184)0.4x-3.1=6.5(185)1.2x-1.3=15.5(186)3.8x-2.1=16.9(187)0.5x-4.1=7.9(188)0.2x-1.6=10(189)0.3x-3.9=6.6(190)175+12x=247(191)181+2x=339(192)49+27x=211(193)42+3x=213(194)113+18x=167(195)64+2x=234(196)184+24x=352(197)128+2x=274(198)21+100x=221(199)135-33x=36(200)70-2x=60(201)122-25x=22(202)137-7x=11(203)179-22x=91(204)171-51x=69(205)192-5x=107(206)129-13x=64(207)169-2x=81(208)9.2+4.4x=22.4(209)14.5+0.3x=16.3(210)2.1+1.4x=9.1(211)10.2+1.4x=20(212)7.7+5.4x=23.9(213)13.5+0.4x=28.7(214)3.7+2.3x=15.2(215)18.6+0.2x=32(216)16.5+0.4x=24.1(217)17.7+8x=19.3(218)15.6+25x=20.6(219)17.5+35x=28(220)2.4+8x=8(221)15.4+3x=29.2(222)18.2+54x=34.4(223)15.1+6x=34.3(224)5.7+43x=22.9(225)3.8+29x=9.6(226)13.4-1.7x=6.6(227)14.5-0.8x=10.5(228)14.5-0.3x=8.5(229)12.3-0.3x=7.8(230)9.8-1.9x=4.1(231)15.1-0.4x=1.5(232)12.2-0.3x=10.4(233)17.1-2.8x=8.7(234)18-0.3x=10.8(235)9.3-24x=4.5(236)13.1-10x=1.1(237)13.8-11x=6.1(238)15.5-5x=3.5(239)19.8-10x=2.8(240)4.4-6x=2.6(241)18.8-6x=13.4(242)18.8-7x=10.4(243)17.6-3x=1.4(244)30x÷45=4(245)2x÷9=16(246)4x÷8=25(247)2x÷34=3(248)5x÷40=4(249)3x÷6=18(250)26x÷14=13(251)24x÷32=3(252)56x÷28=6(253)0.4x÷74=0.2(254)0.8x÷4=0.4(255)0.6x÷14=0.3(256)1.5x÷21=0.5(257)0.6x÷4=1.2(258)1.2x÷2=1.8(259)0.9x÷6=1.2(260)1x÷8=2.5(261)4x÷10=2(262)2x÷21=0.6(263)20x÷40=0.2(264)4x÷56=0.3(265)84x÷56=0.3(266)30x÷3=2(267)6x÷12=0.2(268)4x÷8=1.5(269)28x÷14=0.6(270)52x÷26=0.6(271)15x+18x=132(272)13x+4x=187(273)9x+7x=208(274)12x+19x=62(275)11x+4x=225(276)4x+5x=27(277)4x+10x=84(278)7x+3x=280(279)12x+9x=273(280)16x-10x=66(281)11x-6x=15(282)14x-8x=24(283)4x-2x=44(284)4x-2x=98(285)18x-12x=12(286)4x-2x=20(287)15x-3x=96(288)19x-4x=75(289)6.6x+4.7x=33.9(290)4x+5.9x=29.7(291)1.5x+0.7x=107.8(292)0.9x+2.2x=58.9(293)2.4x+0.6x=39(294)1.6x+9.9x=69(295)4.7x+1.5x=12.4(296)7x+0.6x=106.4(297)2.1x+2.5x=9.2(298)4x-2.1x=3.8(299)4.1x-2.2x=30.4(300)4x-3x=3(301)1.7x-1x=8.4(302)8.5x-1x=22.5(303)3.9x-0.9x=63(304)7.4x-6.3x=9.9(305)3x-0.4x=65(306)5.6x-0.4x=15.6(307)3x+5x+46=126(308)7x+9x+33=81(309)19x+2x+35=140(310)17x+8x+40=90(311)4x+8x+44=308(312)5x+13x+5=41(313)2x+16x+37=163(314)3x+2x+9=339(315)4x+16x+41=281(316)7x+9x-20=44(317)2x+3x-16=199(318)3x+5x-13=227(319)16x+4x-14=226(320)18x+8x-38=40(321)18x+9x-12=69(322)17x+5x-32=144(323)9x+6x-16=179(324)7x+2x-33=120(325)13x-11x+40=52(326)11x-8x+6=42(327)11x-2x+25=187(328)14x-12x+27=43(329)13x-6x+45=150(330)11x-2x+37=163(331)7x-4x+44=62(332)5x-2x+34=58(333)7x-3x+28=80(334)5x-3x-37=31(335)17x-2x-10=65(336)18x-4x-16=124(337)5x-2x-21=27(338)15x-7x-25=79(339)8x-4x-5=75(340)19x-11x-17=63(341)16x-3x-16=127(342)15x-4x-14=41(343)7.6x+5.5x+1.6=158.8(344)2.1x+0.4x+0.9=68.4(345)0.7x+1.5x+1.4=89.4(346)0.6x+1.7x+0.3=122.2(347)5x+4.2x+3.8=59(348)2.9x+3.4x+3.7=60.4(349)0.4x+2.9x+2.8=108.4(350)8.8x+2.1x+3.4=47(351)4x+4.1x+4.2=125.7(352)72x+57x+4.6=120.7(353)35x+58x+2.5=142(354)10x+6x+0.3=89.9(355)44x+24x+0.5=14.1(356)92x+3x+0.5=19.5(357)27x+3x+2.8=110.8(358)4x+13x+2.8=65.7(359)8x+70x+3.8=50.6(360)59x+72x+3.4=134.4(361)6.7x+4.1x-3.2=126.4(362)7.2x+3.9x-2=109(363)4.2x+8.6x-0.7=76.1(364)4.4x+7.6x-1.3=142.7(365)1.4x+1.2x-1.4=113(366)7.7x+5.4x-1.7=142.4(367)3.8x+6.4x-2.8=150.2(368)9.2x+1.8x-1.8=97.2(369)3.1x+3.9x-4.9=30.1(370)38x+6x-4.4=70.4(371)29x+78x-3.7=49.8(372)20x+27x-4.2=108.6(373)14x+10x-3.9=53.7(374)2x+63x-2.3=75.7(375)58x+56x-0.9=124.5(376)69x+35x-1.9=39.7(377)86x+12x-1.8=27.6(378)32x+11x-3.7=69.4(379)1.8x-0.8x+0.2=7.2(380)3.4x-3.1x+4.3=5.5(381)8x-7.6x+0.9=4.9(382)7.5x-4.9x+1.7=6.9(383)4.3x-3.4x+0.6=10.5(384)4.7x-0.6x+4.5=37.3(385)6.8x-0.9x+2.4=79.1(386)4.3x-2.1x+0.9=36.1(387)6.4x-0.4x+3.3=93.3(388)47x-31x+4.4=9.2(389)41x-12x+1.1=33(390)32x-2x+4.6=88.6(391)90x-14x+3.8=26.6(392)32x-24x+1=9.8(393)80x-42x+2.6=14(394)94x-53x+1.8=26.4(395)96x-42x+4=41.8(396)43x-34x+3.1=4.9(397)0.9x-0.3x-1.7=15.1(398)6x-4.1x-2.3=26.2(399)2.7x-0.9x-4.1=19.3(400)8.7x-2.1x-2=24.4(401)1.7x-0.7x-3.6=17.4(402)8.2x-7.8x-1.1=2.5(403)3.1x-1.7x-0.7=7.7(404)7.7x-3.9x-0.4=11(405)3.4x-1x-1.7=43.9(406)36x-22x-2.3=24.3(407)70x-43x-4.3=30.8(408)57x-33x-0.5=4.3(409)79x-52x-3.3=18.3(410)91x-41x-4.7=15.3(411)94x-85x-3.7=3.5(412)43x-8x-2.3=29.2(413)15x-8x-4.4=26.4(414)43x-12x-4.2=42.3(415)10x+7×24=308(416)4x+6×15=274(417)10x+41×4=274(418)2x+2×56=192(419)25x+31×3=243(420)16x+14×11=234(421)4x+13×3=79(422)6x+19×6=276(423)2x+8×5=144(424)4x-2×4=140(425)12x-32×4=64(426)2x-38×2=96(427)20x-2×16=128(428)26x-30×2=44(429)23x-3×50=34(430)3x-49×3=42(431)2x-3×6=50(432)2x-8×5=40(433)0.8x+0.5×15=24.3(434)0.6x+4.8×3=20.4(435)0.2x+3.7×4=21.4(436)2.5x+1.5×12=38(437)0.6x+4×3=27.6(438)3.5x+1×3=10(439)0.9x+0.6×18=12.6(440)1.4x+2.8×4=21(441)4.9x+1.7×2=18.1(442)30x+17×0.6=22.2(443)10x+24×0.8=23.2(444)32x+28×0.4=27.2(445)5x+2×1.4=14.3(446)9x+6×2.1=27(447)4x+4×4.3=36.8(448)25x+2×3.2=16.4(449)41x+38×0.3=23.7(450)12x+17×1=19.4(451)0.8x-0.8×20=1.6(452)0.4x-0.7×10=6.2(453)1.4x-2.6×5=1(454)0.4x-3.3×4=6(455)2.4x-0.3×22=12.6(456)0.2x-0.2×10=5.2(457)0.3x-0.5×9=4.2(458)0.4x-1.9×2=5(459)0.3x-0.4×6=7.5(460)31x-34×0.2=2.5(461)30x-21×0.2=1.8(462)5x-3×3.1=6.2(463)33x-25×0.4=6.5(464)22x-5×0.7=11.9(465)4x-13×0.2=12.6(466)42x-5×0.8=8.6(467)6x-4×4.3=2(468)30x-22×0.4=9.2(469)5(3x+17)=130(470)3(x+36)=168(471)6(x+16)=132(472)3(6x+4)=102(473)3(3x+23)=114(474)3(x+34)=135(475)2(12x+20)=136(476)2(5x+5)=160(477)3(x+47)=168(478)2(10x-30)=160(479)12(2x-26)=192(480)3(11x-43)=168(481)3(3x-47)=39(482)7(3x-34)=98(483)3(28x-28)=168(484)5(3x-45)=75(485)2(24x-31)=178(486)2(21x-13)=58(487)5(0.2x+0.3)=21.5(488)3(0.6x+8.9)=46.5(489)25(0.3x+0.5)=27.5(490)2(2.2x+5.7)=29(491)4(0.4x+4)=30.4(492)5(0.2x+8.4)=49(493)2(3.2x+6.8)=39.2(494)2(2.8x+3.8)=41.2(495)4(1.3x+8.8)=45.6(496)4(0.4x-2.8)=30.4(497)2(x-6.2)=23.6(498)2(1.4x-1.5)=44.6(499)11(0.2x-6.2)=17.6(500)7(1.9x-6)=24.5(501)7(1.2x-3.1)=37.1(502)5(1.1x-6.9)=15(503)2(1.3x-0.6)=30(504)3(5x-4.7)=30.9(505)(8x+21)÷25=5(506)(6x+34)÷2=59(507)(2x+6)÷15=2(508)(8x+2)÷2=81(509)(x+41)÷11=6(510)(15x+15)÷10=27(511)(2x+31)÷19=3(512)(x+28)÷2=21(513)(9x+9)÷2=108(514)(18x-32)÷2=101(515)(18x-6)÷29=6(516)(5x-19)÷11=6(517)(7x-42)÷3=28(518)(15x-35)÷8=5(519)(14x-26)÷4=53(520)(10x-15)÷27=5(521)(13x-6)÷4=44(522)(19x-30)÷3=28(523)(8.8x+5.6)÷8=10.6(524)(7.8x+8.4)÷36=1.1(525)(2x+4)÷8=1(526)(3.4x+5.1)÷9=1.7(527)(2.9x+3)÷12=4.6(528)(3.5x+1)÷20=0.4(529)(4.7x+2.9)÷5=17.5(530)(9.2x+4.8)÷36=0.9(531)(2x+9.6)÷21=1.6(532)(7.4x-2.4)÷20=2.1(533)(6.5x-2.9)÷2=8.3(534)(5.2x-4.4)÷5=1.2(535)(6.7x-0.6)÷4=23.3(536)(4x-1.2)÷7=4.4(537)(5.7x-6.9)÷15=2.2(538)(8.1x-3.8)÷4=3.1(539)(4.5x-6.5)÷8=6.5(540)(3.5x-8.1)÷2=8.2參考答案(1)x=80(2)x=87(3)x=95(4)x=93(5)x=35(6)x=53(7)x=82(8)x=55(9)x=22(10)x=89(11)x=82(12)x=78(13)x=62(14)x=93(15)x=65(16)x=82(17)x=41(18)x=35(19)x=3.6(20)x=9.6(21)x=3(22)x=4.7(23)x=3.2(24)x=9.9(25)x=1.5(26)x=7.5(27)x=5.1(28)x=8.2(29)x=8.3(30)x=7.5(31)x=3.3(32)x=9.4(33)x=6(34)x=4.4(35)x=9.4(36)x=8.2(37)x=73(38)x=65(39)x=96(40)x=45(41)x=14(42)x=42(43)x=33(44)x=83(45)x=51(46)x=16(47)x=6(48)x=32(49)x=10(50)x=2(51)x=65(52)x=68(53)x=28(54)x=39(55)x=9.4(56)x=7.6(57)x=8.6(58)x=0.3(59)x=7.5(60)x=2.4(61)x=8(62)x=2.2(63)x=3.3(64)x=3.8(65)x=5.8(66)x=3.2(67)x=3.1(68)x=4.8(69)x=3.4(70)x=1.7(71)x=6.4(72)x=8.4(73)x=3(74)x=20(75)x=6(76)x=19(77)x=2(78)x=16(79)x=4(80)x=74(81)x=6(82)x=5(83)x=6(84)x=75(85)x=29(86)x=3(87)x=83(88)x=13(89)x=3(90)x=21(91)x=0.2(92)x=4.9(93)x=0.4(94)x=2.7(95)x=0.4(96)x=4.3(97)x=7.8(98)x=0.2(99)x=5.6(100)x=6(101)x=44(102)x=26(103)x=9(104)x=30(105)x=9(106)x=11(107)x=3(108)x=4(109)x=9(110)x=11(111)x=17(112)x=38(113)x=19(114)x=16(115)x=6(116)x=16(117)x=9(118)x=33(119)x=36(120)x=177(121)x=69(122)x=99(123)x=185(124)x=176(125)x=84(126)x=105(127)x=3.2(128)x=9.5(129)x=17.8(130)x=18.2(131)x=3.6(132)x=15.5(133)x=12.6(134)x=7.2(135)x=2(136)x=4(137)x=40(138)x=36(139)x=16(140)x=5(141)x=4(142)x=2(143)x=6(144)x=13(145)x=7(146)x=11(147)x=42(148)x=2(149)x=3(150)x=4(151)x=40(152)x=16(153)x=20(154)x=0.9(155)x=9.7(156)x=8.1(157)x=6.6(158)x=1(159)x=1.3(160)x=0.2(161)x=2.1(162)x=1.2(163)x=8(164)x=19(165)x=4(166)x=8(167)x=3(168)x=8(169)x=11(170)x=13(171)x=4(172)x=1.3(173)x=0.8(174)x=0.2(175)x=0.4(176)x=1.1(177)x=9(178)x=1.5(179)x=6(180)x=7.6(181)x=19(182)x=56(183)x=9(184)x=24(185)x=14(186)x=5(187)x=24(188)x=58(189)x=35(190)x=6(191)x=79(192)x=6(193)x=57(194)x=3(195)x=85(196)x=7(197)x=73(198)x=2(199)x=3(200)x=5(201)x=4(202)x=18(203)x=4(204)x=2(205)x=17(206)x=5(207)x=44(208)x=3(209)x=6(210)x=5(211)x=7(212)x=3(213)x=38(214)x=5(215)x=67(216)x=19(217)x=0.2(218)x=0.2(219)x=0.3(220)x=0.7(221)x=4.6(222)x=0.3(223)x=3.2(224)x=0.4(225)x=0.2(226)x=4(227)x=5(228)x=20(229)x=15(230)x=3(231)x=34(232)x=6(233)x=3(234)x=24(235)x=0.2(236)x=1.2(237)x=0.7(238)x=2.4(239)x=1.7(240)x=0.3(241)x=0.9(242)x=1.2(243)x=5.4(244)x=6(245)x=72(246)x=50(247)x=51(248)x=32(249)x=36(250)x=7(251)x=4(252)x=3(253)x=37(254)x=2(255)x=7(256)x=7(257)x=8(258)x=3(259)x=8(260)x=20(261)x=5(262)x=6.3(263)x=0.4(264)x=4.2(265)x=0.2(266)x=0.2(267)x=0.4(268)x=3(269)x=0.3(270)x=0.3(271)x=4(272)x=11(273)x=13(274)x=2(275)x=15(276)x=3(277)x=6(278)x=28(279)x=13(280)x=11(281)x=3(282)x=4(283)x=22(284)x=49(285)x=2(286)x=10(287)x=8(288)x=5(289)x=3(290)x=3(291)x=49(292)x=19(293)x=13(294)x=6(295)x=2(296)x=14(297)x=2(298)x=2(299)x=16(300)x=3(301)x=12(302)x=3(303)x=21(304)x=9(305)x=25(306)x=3(307)x=10(308)x=3(309)x=5(310)x=2(311)x=22(312)x=2(313)x=7(314)x=66(315)x=12(316)x=4(317)x=43(318)x=30(319)x=12(320)x=3(321)x=3(322)x=8(323)x=13(324)x=17(325)x=6(326)x=12(327)x=18(328)x=8(329)x=15(330)x=14(331)x=6(332)x=8(333)x=13(334)x=34(335)x=5(336)x=10(337)x=16(338)x=13(339)x=20(340)x=10(341)x=11(342)x=5(343)x=12(344)x=27(345)x=40(346)x=53(347)x=6(348)x=9(349)x=32(350)x=4(351)x=15(352)x=0.9(353)x=1.5(354)x=5.6(355)x=0.2(356)x=0.2(357)x=3.6(358)x=3.7(359)x=0.6(360)x=1(361)x=12(362)x=10(363)x=6(364)x=12(365)x=44(366)x=11(367)x=15(368)x=9(369)x=5(370)x=1.7(371)x=0.5(372)x=2.4(373)x=2.4(374)x=1.2(375)x=1.1(376)x=0.4(377)x=0.3(378)x=1.7(379)x=7(380)x=4(381)x=10(382)x=2(383)x=11(384)x=8(385)x=13(386)x=16(387)x=15(388)x=0.3(389)x=1.1(390)x=2.8(391)x=0.3(392)x=1.1(3