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  • 小学五年级解方程练习题180题及答案
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  •   五年级解方程180题有答案
     
      (1)(0.5+x)+x=9.8÷2
     
      (2)2(X+X+0.5)=9.8
     
      (3)25000+x=6x
     
      (4)3200=440+5X+X
     
      (5)X-0.8X=6
     
      (6)12x-8x=4.8
     
      (7)7.5+2X=15
     
      (8)1.2x=81.6
     
      (7)x+5.6=9.4
     
      (10)x-0.7x=3.6
     
      (11)91÷x=1.3
     
      (12)X+8.3=10.7
     
      (13)15x=3
     
      (14)3x-8=16
     
      (15)3x+9=27
     
      (16)18(x-2)=270
     
      (17)12x=300-4x
     
      (18)7x+5.3=7.4
     
      (19)3x÷5=4.8
     
      (25)0.5x+8=43
     
      (26)6x-3x=18
     
      (27)7(6.5+x)=87.5
     
      1
     
      (28)0.273÷x=0.35(29)1.8x=0.972
     
      (30)x÷0.756=90(40)20-9x=2
     
      (41)x+19.8=25.8
     
      (42)5.6x=33.6
     
      (31)0.1(x+6)=3.3×0.4
     
      (32)(27.5-3.5)÷x=4(33)9x-40=5
     
      (34)x÷5+9=21
     
      (35)48-27+5x=31
     
      (36)10.5+x+21=56
     
      (37)x+2x+18=78
     
      (38)(200-x)÷5=30
     
      (39)(x-140)÷70=4
     
      (43)
     
      (44)
     
      (45)
     
      (46)
     
      (47)
     
      (48)
     
      (49)
     
      (50)
     
      (51)2
     
      ÷x=12.6×7+4x=12.59.8-x=3.875.65x+12.5=32.35(x+8)=102x+3x+10=703(x+3)=50-x+35x+15=603.5-5x=20.3
     
      (52)x÷1.5-1.25=0.75
     
      (53)4x-1.3×6=2.6
     
      (54)6x+12.8=15.8
     
      (55)150×2+3x=690
     
      (56)2x-20=4(57)3x+6=18
     
      (58)2(2.8+x)=10.4
     
      (59)(x-3)÷2=7.5
     
      (60)13.2x+9x=33.3(61)3x=x+100
     
      (62)x+4.8=7.2(63)6x+18=48
     
      (64)3(x+2.1)=10.5
     
      (65)12x-9x=8.7
     
      (66)13(x+5)=169
     
      (67)2x-97=34.2
     
      (68)3.4x-48=26.8
     
      (69)42x+25x=134
     
      (70)1.5(x+1.6)=3.6
     
      (71)2(x-3)=5.8
     
      (72)65x+7=137
     
      (73)9x+4×2.5=91
     
      (74)4.2x+2.5x=134(75)10.5x+6.5x=51
     
      3
     
      (76)89x-43x=9.2
     
      (77)5x-45=100
     
      (78)1.2x-0.5x=6.3(79)23.4=2x
     
      (80)4x-x=48.6
     
      (81)4.5x-x=28
     
      (82)X-5.7=2.15
     
      (83)5X-2X=18(84)3X+0.7=7
     
      (85)3.5×2=4.2+x
     
      (86)26×1.5=2x+10(87)0.5×16―16×0.2=4x(88)139.25-X=0.403(89)18.9÷X=0.3(90)23x=14x+27
     
      (91)x+14x=75
     
      (92)95-5x=80(93)1.8+6x=54
     
      (94)6.7x-60.3=6.7(95)9+4x=53(96)2x+8=16
     
      (97)20x-14x=24(98)x+7x=8
     
      4
     
      (111)3x+7=28
     
      (112)3x-7=26(113)9x-x=16
     
      (114)24x+x=50
     
      (115)1.2x-8=4
     
      (116)3x-8=31
     
      (117)6x+6=12
     
      (118)3x-3=3
     
      (119)5x-3x=4(120)2x+16=19
     
      (121)5x+8=19(122)14-6x=8
     
      5
     
      (123)15+6x=27
     
      (124)5-8x=4
     
      (125)7x+8=15
     
      (126)9-2x=1
     
      (127)4+5x=9
     
      (128)10-x=8(129)8x+9=17
     
      (130)9+6x=15
     
      (131)x+9x=4+7(132)2x+9=17
     
      (133)8-4x=6(134)6x-7=28
     
      (135)7x-9=20
     
      (136)x-56=1(137)8-7x=1
     
      (138)x-30=12
     
      (139)6x-21=21
     
      (140)6x-3=6
     
      (141)9x=18
     
      (142)4x-18=14
     
      (143)5x+9=11
     
      (144)17-2x=11
     
      (145)x+4+8=23
     
      6
     
      (146)7x-12=9
     
      (147)X-5.7=2.15(148)5X-2X=18
     
      (149)3X+0.5=5
     
      (150)3.5×2=4x
     
      (151)26×1.5=2x
     
      (152)0.5×16―16×0.1=4x(153)9.26-X=0.402(154)36.9÷X=0.3(155)X÷0.5=2.6(156)93-5x=80
     
      (157)180-6x=54
     
      (158)9+4x=40
     
      (159)0.2x-0.4+0.5=3.7
     
      (160)9.4x-0.4x=16.2(161)92-4x=20
     
      (162)7x÷6=1.4
     
      (163)16x+34x=1
     
      (164)18x-14x=12
     
      (165)3x-42÷14=15
     
      (166)12+4x=56
     
      (167)22-14x=12
     
      (168)X+8.3=10.7
     
      7
     
      (169)5x=30
     
      (170)x-5.6=9.4
     
      (171)x÷0.8=90
     
      (172)3x-8=16
     
      (173)3x+9=27
     
      (174)5.3+7x=7.4
     
      (175)3x÷5=4.8
     
      (176)X-0.8X=6
     
      五年级解方程180题答案
     
      (177)12x+8x=4.8
     
      (178)7(x-2)=49
     
      (179)4×8+2x=36
     
      (180)(x-2)÷3=7
     
      (181)x÷5+9=21
     
      (182)(300-x)÷5=30
     
      (183)91÷x=1.3
     
      (184)41-3x=17
     
      8
     
      (1)(0.5+x)+x=9.8÷20.5+2x=4.90.5+2x-0.5=4.9-0.52x=4.42x÷2=4.4÷2X=2.2(2)2(X+X+0.5)=9.82x+2x+1=9.8
     
      4x+1-1=9.8-14x=8.84x÷4=8.8÷4
     
      X=2.2
     
      (3)25000+x=6x25000+x-x=6x-x
     
      5x=250005x÷5=25000÷5X=5000
     
      (4)3200=440+5X+X6x+440=32006x+450-450=3200-4406x=27606x÷6=2760÷6
     
      X=460
     
      (5)X-0.8X=60.2x=60.2x÷0.2=6÷0.2
     
      X=30
     
      (6)12x-8x=4.84x=4.84x÷4=4.8÷4X=1.2(7)7.5+2X=152x+7.5-7.5=15-7.52x=7.52x÷2=7.5÷2X=3.75(8)1.2x=81.61.2x÷1.2=81.6÷1.2
     
      X=68
     
      (9)x+5.6=9.4X+5.6-5.6=9.4-5.6
     
      X=3.8
     
      (10)x-0.7x=3.60.3x=3.60.3x÷0.3=3.6÷0.3
     
      X=12
     
      (11)91÷x=1.391÷x×x=1.3×x1.3x=911.3x÷1.3=91÷1.3
     
      X=70
     
      (12)X+8.3=10.7X+8.3-8.3=10.7-8.3
     
      X=2.4
     
      (13)15x=315x÷15=3÷15X=0.2
     
      (14)3x-8=163x-8+8=16+83x=243x÷3=24÷3X=8(15)3x+9=273x+9-9=27-93x=183x÷3=18÷33x=6(16)18(x-2)=27018x-36=27018x-36+36=270+3618x=30618x÷18=306÷18X=17(17)12x=300-4x12x+4x=300-4x+4x16x=30016x÷16=300÷16X=18.75(18)7x+5.3=7.47x+5.3-5.3=7.4-5.37x=2.17x÷7=2.1÷7X=0.3(19)3x÷5=4.83x÷5×5=4.8×5
     
      9
     
      3x=243x÷3=24÷3X=8(20)30÷x+25=8530÷x+25-25=85-2530÷x=6030÷x×x=60×x30=60x60x÷60=30÷60X=0.5(21)1.4×8-2x=611.2-2x+2x=6+2x11.2=6+2x2x+6-6=11.2-6
     
      2x=5.22x÷2=5.2÷2X=2.6
     
      (22)6x-12.8×3=0.066x-38.4=0.066x=38.466x÷6=38.46÷6X=6.41(23)410-3x=170410-3x+3x=170+3x170+3x=4103x+170-170=410-1703x=2403x÷3=240÷3X=80(24)3(x+0.5)=213x+1.5=213x+1.5-1.5=21-1.53x=19.53x÷3=19.5÷3X=6.5(25)0.5x+8=430.5x+8-8=43-80.5x=350.5x÷0.5=35÷0.5X=70(26)6x-3x=183x=183x÷3=18÷3X=6
     
      (27)7(6.5+x)=87.57x+45.5=87.57x+45.5-45.5=87.5-45.57x=427x÷7=42÷7X=6
     
      (28)0.273÷x=0.35x=0.273÷0.35X=0.78
     
      (29)1.8x=0.9721.8x÷1.8=0.972÷1.8X=0.54
     
      (30)x÷0.756=90x÷0.756×0.756=90×0.756X=68.04(31)0.1(x+6)=3.3×0.40.1x+0.6=1.320.1x+0.6-0.6=1.32-0.60.1x=0.72
     
      0.1x÷0.1=0.72÷0.1X=7.2(32)(27.5-3.5)÷x=424÷x=4x=24÷4X=6(33)9x-40=59x-40+40=5+409x=459x÷9=45÷9X=5(34)x÷5+9=21x÷5+9-9=21-9x÷5=12x÷5×5=12×5X=60(35)48-27+5x=315x+21-21=31-215x=105x÷5=10÷5X=2(36)10.5+x+21=56
     
      10
     
      x+31.5-31.5=56-31.5x=24.5(37)x+2x+18=783x+18-18=78-183x=603x÷3=60÷3X=20(38)(200-x)÷5=30(200-x)÷5×5=30×5200-x=150200-x+x=150+x150+x=200X+150-150=200-150X=50
     
      (39)(x-140)÷70=4(x-140)÷70×70=4×70X-140=280X-140+140=280+140X=420(40)20-9x=29x=20-29x=189x÷9=18÷9X=2(41)x+19.8=25.8X+19.8-19.8=25.8-19.8X=6
     
      (42)5.6x=33.65.6x÷5.6=33.6÷5.6X=6
     
      (43)9.8-x=3.89.8-x+x=3.8+x3.8+x=9.8X=9.8-3.8X=6(44)75.6÷x=12.6X=75.6÷12.6X=6
     
      (45)5x+12.5=32.35x+12.5-12.5=32.3-12.5
     
      5x=19.85x÷5=19.8÷5X=3.96(46)5(x+8)=1025x+40=1025x+40-40=102-405x=625x÷5=62÷5X=12.4(47)x+3x+10=704x+10=704x+10-10=70-104x=604x÷4=60÷4X=15(48)3(x+3)=50-x+33x+9=53-x3x+x+9-9=53-x+x-94x=444x÷4=44÷4X=11
     
      (49)5x+15=605x+15-15=60-155x=455x÷5=45÷5X=9(50)3.5-5x=23.5-5x+5x=2+5x5x+2=3.55x+2-2=3.5-25x=1.55x÷5=1.5÷5X=0.3(51)0.3×7+4x=12.54x+2.1=12.54x+2.1-2.1=12.5-2.14x=10.44x÷4=10.4÷4X=2.6(52)x÷1.5-1.25=0.75x÷1.5-1.25+1.25=0.75+1.25x÷1.5=2x÷1.5×1.5=2×1.5
     
      11
     
      X=3(53)4x-1.3×6=2.64x-1.3×6+1.3×6=2.6+1.3×64x=10.44x÷4=10.4÷4X=2.6(54)6x+12.8=15.86x+12.8-12.8=15.8-12.86x=36x÷6=3÷6X=0.5
     
      (55)150×2+3x=6903x+300=6903x+300-300=690-3003x=3903x÷3=390÷3X=130(56)2x-20=42x-20+20=4+202x=242x÷2=24÷2X=12
     
      (57)3x+6=183x+6-6=18-63x=123x÷3=12÷3X=4
     
      (58)2(2.8+x)=10.45.6+2x=10.42x+5.6-5.6=10.4-5.62x=4.82x÷2=4.8÷2X=2.4(59)(x-3)÷2=7.5(x-3)÷2×2=7.5×2X-3=15X=18
     
      (60)13.2x+9x=33.322.2x=33.322.2x÷22.2=33.3÷22.2X=1.5
     
      (61)3x=x+1003x-x=x-x+1002x=1002x÷2=100÷2X=50(62)x+4.8=7.2X=7.2-4.8X=2.4(63)6x+18=486x+18-18=48-186x=306x÷6=30÷6x=5(64)3(x+2.1)=10.53x+6.3=10.53x=10.5-6.33x=4.23x÷3=4.2÷3X=1.4(65)12x-9x=8.73x=8.73x÷3=8.7÷3X=2.9(66)13(x+5)=16913x+65=16913x+65-65=169-6513x=10413x÷13=104÷13X=8(67)2x-97=34.22x-97+97=34.2+972x=131.22x÷2=131.2÷2X=65.6
     
      (68)3.4x-48=26.83.4x-48+48=26.8+483.4x=74.83.4x÷3.4=74.8÷3.4X=22(69)42x+25x=13467x=13467x÷67=134÷67X=2
     
      12
     
      (70)1.5(x+1.6)=3.61.5x+2.4=3.61.5x=3.6-2.41.5x=1.21.5x÷1.5=1.2÷1.5X=0.8(71)2(x-3)=5.82x-6=5.82x-6+6=5.8+62x=11.82x÷2=11.8÷2X=5.9(72)65x+7=13765x+7-7=137-765x=13065x÷65=130÷65X=2(73)9x+4×2.5=919x+10=919x+10-10=91-109x=819x÷9=81÷9X=9
     
      (74)4.2x+2.5x=1346.7x=1346.7x÷6.7=134÷6.7X=20(75)10.5x+6.5x=5117x=5117x÷17=51÷17X=3(76)89x-43x=9.246x=9.246x÷46=9.2÷46X=0.2
     
      (77)5x-45=1005x-45+45=100+455x=1455x÷5=145÷5X=29(78)1.2x-0.5x=6.30.7x=6.3
     
      0.7x÷0.7=6.3÷0.7X=9(79)23.4=2x2x÷2=23.4÷2X=11.7(80)4x-x=48.63x=48.63x÷3=48.6÷3X=16.2(81)4.5x-x=283.5x=283.5x÷3.5=28÷3.5X=8(82)X-5.7=2.15
     
      X=5.7+2.15
     
      X=7.85(83)5X-2X=183x=183x÷3=18÷3X=6(84)3X+0.7=73x+0.7-0.7=7-0.73x=6.33x÷3=6.3÷3X=2.1(85)3.5×2=4.2+x4.2+x=7X=7-4.2X=2.8(86)26×1.5=2x+102x+10=392x+10-10=39-102x=292x÷2=29÷2X=14.5
     
      (87)0.5×16―16×0.2=4x4x=4.84x÷4=4.8÷4X=1.2(88)139.25-X=0.403X=139.25-0.403X=138.847(89)18.9÷X=0.3X=18.9÷0.3
     
      13
     
      X=63(90)23x=14x+2723x-14x=14x-14x+279x=279x÷9=27÷9X=3(91)x+14x=7515x=7515x÷15=75÷15X=5(92)95-5x=8095-5x+5x=80+5x5x+80=955x+80-80=95-805x=15X=3(93)1.8+6x=546x=54-1.86x=52.26x÷6=52.2÷6X=8.7(94)6.7x-60.3=6.76.7x=60.3+6.76.7x=676.7x÷6.7=67÷6.7X=10(95)9+4x=534x=53-94x=444x÷4=44÷4X=11(96)2x+8=162x=16-82x=82x÷2=8÷2X=4(97)20x-14x=246x=246x÷6=24÷6X=4(98)x+7x=88x=8X=1(99)9x-3x=6
     
      14
     
      (119)5x-3x=42x=42x÷2=4÷2X=2(120)2x+16=192x+16-16=19-162x=32x÷2=3÷2X=1.5(121)5x+8=195x+8-8=19-85x=115x÷5=11÷5X=2.2(122)14-6x=814-6x+6x=8+6x6x+8-8=14-86x=6X=1(123)15+6x=276x+15-15=27-156x=126x÷6=12÷6X=2(124)5-8x=45-8x+8x=4+8x8x+4-4=5-48x=18x÷8=1÷8X=0.125(125)7x+8=157x+8-8=15-87x=7X=1(126)9-2x=19-2x+2x=1+2x2x+1-1=9-12x=82x÷2=8÷2X=4(127)4+5x=95x+4-4=9-45x=5X=1
     
      15
     
      (128)10-x=8X=10-8X=2(129)8x+9=178x+9-9=17-98x=8X=1(130)9+6x=156x+9-9=15-96x=6X=1(131)x+9x=4+710x=1110x÷10=11÷10X=1.1(132)2x+9=172x+9-9=17-92x=82x÷2=8÷2X=4(133)8-4x=68-4x+4x=6+4x4x+6-6=8-64x=24x÷2=2÷4X=0.5(134)6x-7=286x-7+7=28+76x=366x÷6=36÷6X=6
     
      (135)7x-9=207x-9+9=8+207x=287x÷7=28÷7X=4(136)x-56=1X=56+1X=57(137)8-7x=18-7x+7x=1+7x7x+1-1=8-17x=7
     
      X=1
     
      (138)x-30=12X-30+30=12+30X=42(139)6x-21=216x-21+21=21+216x=426x÷6=42÷6X=7(140)6x-3=66x-3+3=6+36x=96x÷6=9÷6X=1.5(141)9x=189x÷9=18÷9X=2(142)4x-18=144x-18+18=14+184x=324x÷4=32÷4X=8(143)5x+9=115x+9-9=11-95x=25x÷5=2÷5X=0.4(144)17-2x=1117-2x+2x=11+2x2x+11-11=17-112x=62x÷2=6÷2X=3(145)x+4+8=23X+12=23X=23-12X=11(146)7x-12=97x-12+12=9+127x=217x÷7=21÷7X=3(147)X-5.7=2.15
     
      16
     
      x=5.7+2.15X=7.85(148)5X-2X=183x=183x÷3=18÷3X=6(149)3X+0.5=53x+0.5-0.5=5-0.53x=4.53x÷3=4.5÷3X=1.5(150)3.5×2=4x4x=74x÷4=7÷4X=1.75(151)26×1.5=2x2x=392x÷2=39÷2X=18
     
      (152)0.5×16―16×0.1=4x4x=6.44x÷4=6.4÷4X=1.6(153)9.26-X=0.402X=9.26-0.402X=8.858(154)36.9÷X=0.3X=36.9÷0.3X=123(155)X÷0.5=2.6X=0.5×2.6X=1.3(156)93-5x=8093-5X+5X=80+5X5X+80-80=93-805X=135X÷5=13÷5X=2.6(157)180-6x=54180-6X+6X=54+6X6X+54-54=180-546X=1266X÷6=126÷6X=21
     
      (158)9+4x=404X+9-9=40-94X=314X÷4=31÷4X=7.75
     
      (159)0.2x-0.4+0.5=3.70.2X-0.5+0.5-0.4+0.4=3.7-0.5+0.40.2X=3.60.2X÷0.2=3.6÷0.2X=18(160)9.4x-0.4x=16.29X=16.29X÷9=16.2÷9X=1.8(161)92-4x=2092-4X+4X=20+4X4X+20-20=92-204X=724X÷4=72÷4(162)X=18(163)7x÷6=1.47x÷6×6=1.4×67X=8.47X÷7=8.4÷7X=1.2(163)16x+34x=150X=150X÷50=1÷50X=0.02(164)18x-14x=124X=124X÷4=12÷4X=3(165)3x-42÷14=153X-3=153X-3+3=15+33X=183X÷3=18÷3X=6
     
      (166)12+4x=564X+12-12=56-124X=444X÷4=44÷4
     
      17
     
      X=11
     
      (167)22-14x=1222-14X+14X=12+14X14X+12-12=54-1214X=42
     
      14X÷14=42÷14X=3
     
      (168)X+8.3=10.7
     
      0.2X÷0.2=6÷0.2
     
      X=30
     
      (177)12x+8x=4.8
     
      20X=4.820X÷20=4.8÷20X=24
     
      (178)7(x-2)=49
     
      7X-14=497X-14+14=49+14
     
      X=10.7-8.3X=2.4
     
      (169)5x=30
     
      5X÷5=30÷5X=6
     
      (170)x-5.6=9.4
     
      X=5.6+9.4X=15
     
      (171)x÷0.8=90
     
      X=0.8×90X=72
     
      (172)3x-8=16
     
      3X-8+8=16+83X=243X÷3=24÷3X=8
     
      (173)3x+9=27
     
      3X+9-9=27-93X=183X÷3=18÷3X=6
     
      (174)5.3+7x=7.47X+5.3-5.3=7.4-5.3
     
      7X=2.17X÷7=2.1÷7X=0.3(175)3x÷5=4.83X=4.8×53X=243X÷3=24÷3X=8
     
      (176)X-0.8X=6
     
      0.2X=6
     
      7X=637X÷7=63÷7X=9
     
      (179)4×8+2x=362X+32=36
     
      2X+32-32=36-322X=42X÷2=4÷2
     
      X=2
     
      (180)(x-2)÷3=7X-2=3×7X-2=21X=23
     
      (181)x÷5+9=21X÷5=21-9X÷5=12X=12×5X=60
     
      (182)(300-x)÷5=30300-X=30×5
     
      300-X=150X=300-150X=150
     
      (183)91÷x=1.3X=91÷1.3X=70
     
      (184)41-3x=1741-3X+3X=17+3X3X+17-17=41-173X=243X÷3=24÷3X=8
     
      18
     
      19
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