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+7=99(2)x+53=57(3)x+47=112(4)x+96=141(5)x+17=27(6)x+62=115(7)x+49=132(8)x+37=94(9)x+69=100(10)x-33=18(11)x-33=59(12)x-26=23(13)x-38=43(14)x-20=66(15)x-13=64(16)x-7=30(17)x-25=68(18)x-17=29(19)x+2.7=3.5(20)x+4=8.3(21)x+0.2=6.7(22)x+9.9=14.6(23)x+8.2=12.2(24)x+6.7=12.5(25)x+9=10.8(26)x+2.1=9.4(27)x+6.7=10.1(28)x-5.5=1.7(29)x-0.4=4.5(30)x-1=6.2(31)x-1.3=7.1(32)x-1.5=5.8(33)x-0.4=9.1(34)x-4.5=2.2(35)x-4.4=3.7(36)x-7.9=1.5(37)71+x=114(38)68+x=139(39)12+x=26(40)67+x=122(41)94+x=108(42)25+x=41(43)36+x=48(44)5+x=77(45)98+x=111(46)75-x=65(47)95-x=28(48)91-x=27(49)36-x=34(50)79-x=44(51)85-x=15(52)65-x=51(53)72-x=65(54)63-x=58(55)8.9+x=10.9(56)9.4+x=13.6(57)1.5+x=10.7(58)6.3+x=7.5(59)4.5+x=10.6(60)8.2+x=17(61)6.2+x=8.2(62)5.6+x=8.9(63)4.2+x=4.9(64)8.6-x=4.4(65)7.8-x=3.8(66)6.3-x=3.2(67)9.7-x=1.6(68)8-x=4.5(69)2-x=1(70)9.9-x=9.6(71)4.8-x=3.6(72)9.3-x=6.6(73)12x=108(74)5x=170(75)6x=114(76)11x=110(77)3x=183(78)3x=9(79)5x=120(80)71x=142(81)9x=162(82)0.6x=14.4(83)0.3x=18.9(84)0.2x=0.4(85)3.2x=19.2(86)2.3x=4.6(87)1.5x=18(88)2.1x=8.4(89)0.2x=2.2(90)7.1x=14.2(91)7x=9.8(92)15x=19.5(93)27x=16.2(94)20x=12(95)35x=7(96)4x=5.6(97)3x=17.4(98)54x=10.8(99)2x=5.8(100)140÷x=2(101)108÷x=3(102)161÷x=7(103)96÷x=6(104)165÷x=11(105)42÷x=21(106)117÷x=9(107)150÷x=3(108)160÷x=2(109)11÷x=2.2(110)18÷x=0.6(111)8.4÷x=0.4(112)19.5÷x=0.5(113)12.4÷x=0.4(114)16.8÷x=0.6(115)18.2÷x=2.6(116)2.8÷x=0.4(117)17.1÷x=0.3(118)x÷11=14(119)x÷3=15(120)x÷98=2(121)x÷23=7(122)x÷31=2(123)x÷27=5(124)x÷7=17(125)x÷5=37(126)x÷6=18(127)x÷12=1.2(128)x÷2=0.6(129)x÷3=3.5(130)x÷39=0.5(131)x÷6=0.9(132)x÷15=0.3(133)x÷12=1.6(134)x÷4=1.1(135)x÷2=4.6(136)2x+17=131(137)6x+33=171(138)32x+31=223(139)41x+19=101(140)84x+50=218(141)2x+16=140(142)3x+20=113(143)5x+13=148(144)4x+59=147(145)4x-48=124(146)8x-21=171(147)8x-32=48(148)5x-17=113(149)56x-38=130(150)3x-28=134(151)18x-58=122(152)60x-36=84(153)70x-52=88(154)3x+5.7=9.9(155)2x+5.7=8.7(156)4x+1.5=16.3(157)3x+5.3=24.5(158)7x+2.8=11.2(159)2x+1.3=8.9(160)8x+5.6=20.8(161)5x+4.2=10.2(162)5x+2.2=9.2(163)0.2x+2.1=4.7(164)4.8x+2.3=16.7(165)1x+2.8=18.8(166)7.7x+1=16.4(167)0.2x+1=14.2(168)8x+3.3=19.3(169)2.8x+1.6=12.8(170)0.2x+4.2=16.8(171)0.6x+4.3=23.5(172)7x-2.7=4.3(173)3x-4.9=4.1(174)7x-5.8=9.6(175)10x-1=17(176)16x-2=17.2(177)2x-2.8=8.8(178)3x-1.8=2.1(179)4x-1.3=17.9(180)32x-3.1=9.7(181)2.1x-1.9=10.7(182)1x-2.3=10.7(183)1.2x-3.4=2.6(184)0.2x-2.5=7.9(185)0.3x-4=6.5(186)5.8x-2.7=8.9(187)1.1x-4=14.7(188)0.3x-4.3=7.1(189)9.6x-4.6=14.6(190)59+98x=255(191)176+22x=330(192)67+7x=81(193)16+77x=170(194)74+4x=254(195)128+2x=218(196)62+21x=209(197)75+57x=189(198)133+13x=250(199)153-5x=123(200)112-7x=42(201)176-2x=24(202)179-2x=19(203)156-3x=105(204)196-9x=70(205)103-13x=77(206)176-75x=26(207)119-2x=49(208)7+2.5x=14.5(209)6.4+0.8x=14.4(210)6.8+0.7x=18.7(211)2+1x=7(212)4.7+0.2x=8.3(213)1+0.9x=8.2(214)17.4+1.3x=20(215)3.1+3.8x=18.3(216)19.1+0.6x=37.1(217)1.6+2x=7.6(218)13+18x=23.8(219)9.4+29x=26.8(220)12.8+32x=32(221)3.4+56x=20.2(222)7.3+3x=15.4(223)12.3+10x=17.3(224)3.7+13x=12.8(225)11.4+2x=15.2(226)15.6-0.2x=7.6(227)15-1.1x=9.5(228)14.6-1.3x=1.6(229)18.2-0.7x=12.6(230)17.1-0.7x=3.8(231)15.6-0.4x=1.6(232)11.1-0.4x=6.3(233)17.1-0.4x=9.5(234)11.8-3.1x=2.5(235)12.4-2x=8.6(236)15.6-6x=3(237)18.6-9x=15.9(238)7.4-4x=1(239)16.2-2x=9(240)19.1-4x=11.9(241)13.8-3x=3(242)19.4-17x=9.2(243)16.6-15x=9.1(244)35x÷14=10(245)82x÷41=4(246)10x÷5=38(247)51x÷6=17(248)4x÷64=2(249)2x÷6=21(250)11x÷33=6(251)4x÷15=8(252)2x÷3=26(253)3.4x÷10=1.7(254)4.2x÷4=2.1(255)5.4x÷27=0.6(256)0.7x÷4=4.9(257)9.3x÷62=0.3(258)1x÷20=0.3(259)1.8x÷36=0.2(260)1x÷6=2(261)0.6x÷84=0.2(262)18x÷54=0.3(263)8x÷5=4(264)12x÷30=0.4(265)6x÷50=0.3(266)6x÷3=3.4(267)6x÷2=1.5(268)7x÷6=1.4(269)4x÷17=0.8(270)80x÷5=3.2(271)6x+2x=64(272)10x+9x=247(273)6x+18x=168(274)14x+15x=87(275)4x+12x=144(276)17x+8x=125(277)6x+19x=50(278)5x+8x=260(279)13x+4x=255(280)18x-10x=48(281)10x-8x=28(282)11x-3x=48(283)7x-2x=20(284)7x-4x=51(285)18x-12x=18(286)17x-7x=20(287)9x-6x=21(288)11x-5x=48(289)5.7x+5.9x=58(290)1x+1.9x=81.2(291)1.6x+4.9x=117(292)7.5x+3.5x=33(293)5x+4.9x=49.5(294)6.3x+1.8x=97.2(295)5.2x+5.3x=21(296)8.1x+0.5x=17.2(297)4.2x+1.9x=36.6(298)9.7x-3.2x=39(299)2.6x-1.5x=27.5(300)9.5x-2.4x=14.2(301)6.3x-3.4x=26.1(302)3.1x-2.6x=8(303)4.9x-1.5x=54.4(304)6.7x-3.2x=14(305)2.9x-2.1x=24(306)1.7x-1.2x=15(307)3x+2x+21=271(308)3x+15x+24=150(309)17x+3x+5=185(310)2x+4x+28=190(311)10x+8x+25=241(312)2x+10x+18=234(313)18x+9x+6=141(314)9x+11x+45=105(315)7x+5x+7=43(316)5x+7x-40=32(317)8x+4x-8=184(318)9x+2x-29=158(319)2x+14x-26=38(320)8x+14x-15=51(321)16x+5x-32=31(322)7x+9x-27=37(323)14x+9x-15=169(324)11x+18x-47=11(325)10x-5x+25=125(326)13x-6x+20=41(327)17x-15x+38=54(328)17x-12x+2=37(329)7x-4x+24=90(330)9x-6x+2=35(331)15x-6x+46=73(332)14x-4x+8=28(333)19x-6x+32=162(334)18x-8x-6=14(335)7x-3x-8=44(336)17x-10x-13=64(337)5x-3x-27=13(338)16x-4x-39=57(339)13x-6x-26=30(340)11x-7x-3=21(341)14x-4x-43=27(342)16x-11x-20=10(343)2.5x+7.7x+0.5=71.9(344)0.3x+1.3x+2.5=108.1(345)5.2x+5.4x+2.5=129.7(346)0.5x+1x+3.1=142.6(347)3.3x+9.3x+2.8=28(348)2.7x+8x+3.3=46.1(349)9.1x+4.2x+1.9=68.4(350)1.1x+1.2x+2.7=69.4(351)8.5x+4.7x+1=40.6(352)3x+81x+3.9=96.3(353)51x+89x+1.9=43.9(354)57x+54x+1.6=34.9(355)8x+21x+1=90.9(356)82x+31x+2.4=70.2(357)85x+73x+3=50.4(358)58x+61x+4.6=111.7(359)68x+53x+3.8=88.5(360)17x+11x+2.8=137.2(361)9.8x+8.9x-3.2=71.6(362)3.4x+7.2x-2.6=71.6(363)0.3x+0.7x-2.4=28.6(364)2.5x+5.8x-3.3=137.8(365)2.6x+0.6x-4.9=110.3(366)0.5x+6.4x-4=78.8(367)4.8x+7.4x-2.4=107.4(368)2.2x+3.5x-2.3=37.6(369)3.1x+9x-1.9=119.1(370)38x+7x-4.6=4.4(371)19x+33x-1.7=107.5(372)62x+8x-2=68(373)11x+14x-4.7=85.3(374)53x+35x-3=23.4(375)57x+14x-2.4=68.6(376)18x+29x-0.3=159.5(377)16x+52x-3.2=112.4(378)26x+63x-0.5=70.7(379)4x-3.7x+0.7=7.6(380)1.6x-0.6x+0.7=49.7(381)2.2x-0.4x+2.2=54.4(382)7x-2.6x+4.6=31(383)5.5x-5.3x+2.8=6(384)9.1x-2.8x+1=13.6(385)6.6x-2.8x+4.4=46.2(386)8.7x-7.2x+0.6=12.6(387)8.6x-1.9x+1.2=48.1(388)86x-55x+1.7=29.6(389)63x-39x+1.1=17.9(390)15x-11x+1.2=9.6(391)8x-6x+1.7=10.9(392)79x-5x+1.1=89.9(393)64x-27x+3.6=44.3(394)57x-17x+0.7=8.7(395)42x-9x+3.1=59.2(396)55x-45x+4.8=21.8(397)5x-2.1x-0.6=48.7(398)6.1x-1.2x-3=70.5(399)4.7x-4.1x-1.9=7.7(400)5.8x-3.6x-0.3=6.3(401)6.8x-0.8x-0.3=41.7(402)7.1x-1.3x-0.6=80.6(403)9.8x-3.4x-2.8=10(404)3.2x-1.3x-0.2=34(405)5.8x-2.4x-3.4=20.4(406)9x-7x-1.3=10.9(407)14x-7x-0.9=47.4(408)42x-18x-4.4=41.2(409)59x-23x-3.3=47.1(410)41x-34x-2.4=9.5(411)37x-2x-0.9=55.1(412)45x-38x-2.5=4.5(413)51x-27x-1.4=27.4(414)92x-69x-0.7=8.5(415)2x+29×3=187(416)13x+4×33=314(417)10x+17×11=377(418)10x+75×2=280(419)20x+2×87=214(420)4x+3×53=303(421)2x+24×8=256(422)7x+29×2=198(423)4x+43×4=284(424)20x-18×2=144(425)8x-24×2=56(426)11x-2×39=32(427)3x-5×10=19(428)13x-61×2=34(429)2x-9×15=49(430)7x-34×4=46(431)16x-2×48=96(432)5x-4×5=60(433)4x+0.3×49=30.7(434)0.4x+0.3×31=18.9(435)0.4x+0.3×14=6.6(436)2.2x+1.1×13=18.7(437)0.4x+3.2×6=38(438)2.4x+0.6×25=27(439)0.4x+0.9×7=22.3(440)0.4x+0.6×30=32(441)0.4x+2.3×2=7(442)2x+3×2.9=9.3(443)7x+17×1.1=34.8(444)16x+24×0.2=9.6(445)31x+7×2.5=36.1(446)4x+3×3.1=14.5(447)10x+11×0.9=12.9(448)7x+2×2.5=10.6(449)24x+4×3.5=30.8(450)20x+9×1.1=13.9(451)0.6x-1.5×4=7.8(452)1.7x-0.2×25=12(453)4.8x-0.7×12=6(454)1.2x-0.5×7=6.1(455)2.5x-0.5×3=16(456)0.6x-0.9×6=10.8(457)0.6x-0.8×4=1.6(458)0.9x-0.5×3=1.2(459)1.3x-0.8×2=14(460)7x-3×1=8.2(461)19x-4×3=7(462)6x-2×4.3=3.4(463)9x-7×1.4=6.4(464)16x-4×0.7=11.6(465)48x-3×3=10.2(466)16x-12×1.1=1.2(467)13x-29×0.2=12.4(468)29x-25×0.3=1.2(469)2(2x+38)=156(470)2(x+7)=100(471)3(7x+45)=177(472)8(x+6)=176(473)2(2x+42)=132(474)5(2x+15)=105(475)5(2x+17)=175(476)3(2x+9)=51(477)2(14x+22)=156(478)3(26x-49)=87(479)2(2x-34)=88(480)2(14x-49)=154(481)5(21x-6)=180(482)3(2x-40)=78(483)6(7x-19)=138(484)3(9x-33)=36(485)16(x-24)=192(486)3(2x-8)=66(487)2(3.1x+7.1)=45.2(488)5(0.2x+3.3)=45.5(489)6(0.2x+1.9)=28.2(490)2(2.9x+0.7)=24.6(491)3(2.7x+6.8)=44.7(492)2(4.8x+0.3)=39(493)11(0.4x+3.3)=45.1(494)3(2.5x+6.7)=42.6(495)7(1.1x+0.7)=43.4(496)2(0.5x-8.9)=6.2(497)27(2.6x-6.2)=43.2(498)10(0.4x-4.9)=27(499)3(x-4.4)=10.8(500)18(0.5x-2.8)=30.6(501)8(1.4x-0.3)=31.2(502)9(1.4x-4.3)=11.7(503)3(4.6x-8.6)=15.6(504)4(0.6x-4.3)=47.6(505)(16x+10)÷23=6(506)(5x+18)÷8=16(507)(7x+22)÷8=15(508)(8x+36)÷4=29(509)(18x+6)÷25=6(510)(8x+20)÷38=2(511)(7x+17)÷34=4(512)(4x+16)÷2=16(513)(14x+42)÷6=49(514)(12x-6)÷18=13(515)(10x-6)÷9=6(516)(7x-2)÷2=34(517)(9x-45)÷30=3(518)(2x-19)÷29=1(519)(5x-18)÷4=18(520)(6x-35)÷7=19(521)(9x-18)÷5=36(522)(9x-39)÷28=6(523)(5.2x+1.7)÷15=1.5(524)(1.5x+4.6)÷22=1.3(525)(6x+9)÷6=5.5(526)(9.6x+8.7)÷5=17.1(527)(7.9x+7)÷2=19.3(528)(5.8x+8.6)÷3=10.6(529)(2.6x+9.1)÷25=1.3(530)(8.3x+4.5)÷29=1.3(531)(3.2x+1.4)÷29=0.6(532)(6.3x-2.8)÷7=5.9(533)(4x-4.2)÷34=0.7(534)(2.4x-4.5)÷9=1.1(535)(2.7x-3)÷3=7.1(536)(6.7x-4)÷4=19.1(537)(7x-1)÷38=2(538)(4.3x-2.1)÷9=1.2(539)(5.6x-4)÷12=4.8(540)(9.9x-1.9)÷4=21.8參考答案(1)x=92(2)x=4(3)x=65(4)x=45(5)x=10(6)x=53(7)x=83(8)x=57(9)x=31(10)x=51(11)x=92(12)x=49(13)x=81(14)x=86(15)x=77(16)x=37(17)x=93(18)x=46(19)x=0.8(20)x=4.3(21)x=6.5(22)x=4.7(23)x=4(24)x=5.8(25)x=1.8(26)x=7.3(27)x=3.4(28)x=7.2(29)x=4.9(30)x=7.2(31)x=8.4(32)x=7.3(33)x=9.5(34)x=6.7(35)x=8.1(36)x=9.4(37)x=43(38)x=71(39)x=14(40)x=55(41)x=14(42)x=16(43)x=12(44)x=72(45)x=13(46)x=10(47)x=67(48)x=64(49)x=2(50)x=35(51)x=70(52)x=14(53)x=7(54)x=5(55)x=2(56)x=4.2(57)x=9.2(58)x=1.2(59)x=6.1(60)x=8.8(61)x=2(62)x=3.3(63)x=0.7(64)x=4.2(65)x=4(66)x=3.1(67)x=8.1(68)x=3.5(69)x=1(70)x=0.3(71)x=1.2(72)x=2.7(73)x=9(74)x=34(75)x=19(76)x=10(77)x=61(78)x=3(79)x=24(80)x=2(81)x=18(82)x=24(83)x=63(84)x=2(85)x=6(86)x=2(87)x=12(88)x=4(89)x=11(90)x=2(91)x=1.4(92)x=1.3(93)x=0.6(94)x=0.6(95)x=0.2(96)x=1.4(97)x=5.8(98)x=0.2(99)x=2.9(100)x=70(101)x=36(102)x=23(103)x=16(104)x=15(105)x=2(106)x=13(107)x=50(108)x=80(109)x=5(110)x=30(111)x=21(112)x=39(113)x=31(114)x=28(115)x=7(116)x=7(117)x=57(118)x=154(119)x=45(120)x=196(121)x=161(122)x=62(123)x=135(124)x=119(125)x=185(126)x=108(127)x=14.4(128)x=1.2(129)x=10.5(130)x=19.5(131)x=5.4(132)x=4.5(133)x=19.2(134)x=4.4(135)x=9.2(136)x=57(137)x=23(138)x=6(139)x=2(140)x=2(141)x=62(142)x=31(143)x=27(144)x=22(145)x=43(146)x=24(147)x=10(148)x=26(149)x=3(150)x=54(151)x=10(152)x=2(153)x=2(154)x=1.4(155)x=1.5(156)x=3.7(157)x=6.4(158)x=1.2(159)x=3.8(160)x=1.9(161)x=1.2(162)x=1.4(163)x=13(164)x=3(165)x=16(166)x=2(167)x=66(168)x=2(169)x=4(170)x=63(171)x=32(172)x=1(173)x=3(174)x=2.2(175)x=1.8(176)x=1.2(177)x=5.8(178)x=1.3(179)x=4.8(180)x=0.4(181)x=6(182)x=13(183)x=5(184)x=52(185)x=35(186)x=2(187)x=17(188)x=38(189)x=2(190)x=2(191)x=7(192)x=2(193)x=2(194)x=45(195)x=45(196)x=7(197)x=2(198)x=9(199)x=6(200)x=10(201)x=76(202)x=80(203)x=17(204)x=14(205)x=2(206)x=2(207)x=35(208)x=3(209)x=10(210)x=17(211)x=5(212)x=18(213)x=8(214)x=2(215)x=4(216)x=30(217)x=3(218)x=0.6(219)x=0.6(220)x=0.6(221)x=0.3(222)x=2.7(223)x=0.5(224)x=0.7(225)x=1.9(226)x=40(227)x=5(228)x=10(229)x=8(230)x=19(231)x=35(232)x=12(233)x=19(234)x=3(235)x=1.9(236)x=2.1(237)x=0.3(238)x=1.6(239)x=3.6(240)x=1.8(241)x=3.6(242)x=0.6(243)x=0.5(244)x=4(245)x=2(246)x=19(247)x=2(248)x=32(249)x=63(250)x=18(251)x=30(252)x=39(253)x=5(254)x=2(255)x=3(256)x=28(257)x=2(258)x=6(259)x=4(260)x=12(261)x=28(262)x=0.9(263)x=2.5(264)x=1(265)x=2.5(266)x=1.7(267)x=0.5(268)x=1.2(269)x=3.4(270)x=0.2(271)x=8(272)x=13(273)x=7(274)x=3(275)x=9(276)x=5(277)x=2(278)x=20(279)x=15(280)x=6(281)x=14(282)x=6(283)x=4(284)x=17(285)x=3(286)x=2(287)x=7(288)x=8(289)x=5(290)x=28(291)x=18(292)x=3(293)x=5(294)x=12(295)x=2(296)x=2(297)x=6(298)x=6(299)x=25(300)x=2(301)x=9(302)x=16(303)x=16(304)x=4(305)x=30(306)x=30(307)x=50(308)x=7(309)x=9(310)x=27(311)x=12(312)x=18(313)x=5(314)x=3(315)x=3(316)x=6(317)x=16(318)x=17(319)x=4(320)x=3(321)x=3(322)x=4(323)x=8(324)x=2(325)x=20(326)x=3(327)x=8(328)x=7(329)x=22(330)x=11(331)x=3(332)x=2(333)x=10(334)x=2(335)x=13(336)x=11(337)x=20(338)x=8(339)x=8(340)x=6(341)x=7(342)x=6(343)x=7(344)x=66(345)x=12(346)x=93(347)x=2(348)x=4(349)x=5(350)x=29(351)x=3(352)x=1.1(353)x=0.3(354)x=0.3(355)x=3.1(356)x=0.6(357)x=0.3(358)x=0.9(359)x=0.7(360)x=4.8(361)x=4(362)x=7(363)x=31(364)x=17(365)x=36(366)x=12(367)x=9(368)x=7(369)x=10(370)x=0.2(371)x=2.1(372)x=1(373)x=3.6(374)x=0.3(375)x=1(376)x=3.4(377)x=1.7(378)x=0.8(379)x=23(380)x=49(381)x=29(382)x=6(383)x=16(384)x=2(385)x=11(386)x=8(387)x=7(388)x=0.9(389)x=0.7(390)x=2.1(391)x=4.6(392)x