六年级解方程专项练习200题有答案

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六年级解⽅程专项练习200题有答案

⽂档来源为:从⽹络收集整理.word版本可编辑.欢迎下载⽀持. 六年级解⽅程专项练习200题(有答案)

(1)x ﹣=,

(2) x ××=,

(3)﹣4x=,

(4) 8×2.5﹣2x=13.6 (5) 0.78:x=3:5,

(6)1﹣20%x=0.4,

(8) 1÷(x ﹣)=6,(9)2x ﹣x=1.2,

(10)9×3﹣1.7x=13.4,(11)x﹣25%x=24,

(12)x ﹣+0.2=,

(13)0.6x+90%x=78,

(14)20%x﹣2.4×3=0.8,

(15)x ﹣x=42,

(16)0.6x+3×2.5=67.5,

(17)1÷(x﹣0.45)=5,(18)x﹣2.25=8.25,(19):x=3:12,

(20)x+0.8=5.6,

(21) 1.4:x=1:0.75,(22) x×(2﹣)=24,

(23) 4x ﹣=3,

(24)12x+7×0.3=20.1,

(25)x+x=,

(26)x:42=,(27)×0.5+x=,(28)0.8:=0.48:x,(30)42:=χ:

(31)5x﹣0.4=75%,( 32) 6x﹣0.9=4.5,

(33)2(x﹣3)=5.8,

(34) 1.6x=6.4,(35) 4x﹣3×9=29,

(36)16+8x=40,

(37) x÷1.1=3,

(38)+2x=,

(39)×3﹣7x=1.04,(40)x﹣1﹣x=2,

(41)x ﹣x=14,

(42)3x ﹣x=,

(43)=,

(44)1.2:=,(45)=:,(46):=x:0.8,(47)x =+1,

(48)1﹣25%X+25%x=+25%x,(49)=,

(50)×X=,

(51) 5:8=x:32,

(52)2x+3×0.9=24.9,(53)5.3x﹣2.9x=,

(54)×(7﹣2.8x)=1.5,(55)x:0.3=:,

(56)150%x+66=99

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(58)

(59)

(60)3÷(X ﹣)=1.3

(61)(X+0.5):2=(X﹣4):,

(62) X÷0.05=3.528,

(63)2X﹣4×6=80,

(64)4×4.5﹣3X=6.38,

(65)4X﹣7.2=10,

(66)11.5X+X=20,

(67)3.8×12+15X=87.6,

(68)6X+5=17,

(69)0.6×(2.5+X)=4.2,

(70):=X :,

(71),

(72)

(73),

(74)4(+x)=,

(75)×0.25+x=,

(76)x ﹣,

(77)200:6=x :,

(78)4÷X=,

(79)8(x﹣2)=2(x+7),

(80):18%=,

(81)

﹣2x=,(82)x+x=46,

(83):x=:,

(84)=,

(85)5(3x﹣4)﹣2(x﹣1)=5(2x﹣1)(88)3(x+4.5)=60,(89)1.6x+2.4=7.52,(90)3(x﹣0.8)=6.3,(91)28.4﹣5x=5.8,

(92)x :=

(93)+2x=,

(94)x=15%,

(95)x ﹣x=,(96)x+50%x=6,

(97):x=0.3:12,(98)4x+2(8﹣x)=26,(99)x ﹣=0,

(100)+x=1,

(101)x ×(+)=,(102),(103),(104)x ﹣,(105)x ×,

(106)5x+35=650,(107)720÷3x=80,(108)3.6x﹣0.9x=8.1,(109)4×4.5﹣3x=6,

(110)=,

(111)6×3﹣1.8X=7.2,

(112)÷x=,(113)x ÷=42,(114)x+=,(115)7x÷3=8.19,(116)12:0.6=x :,(117)3(x+2)=4(x+1),

⽂档来源为:从⽹络收集整理.word版本可编辑.欢迎下载⽀持.(119) 6+x=240,

(120)22.5﹣0.4x=12.5,(121)x:3.5=4:2,(122)x﹣0.8x﹣6=16,(123):=x:8,(124),

(125)x:15=:,(126)x+x=,

(127)x×50%﹣x=5,(128)1﹣x=,

(129)2.5+1x=3,(130)3x﹣2=4,

(131)8.5﹣3x=2,(132)3÷x=4,

(133)x﹣5%=17.54,(134):=:(4﹣x),(135) 6x+31=49,

(136) 7x÷3=8.19,

(137) 32.8﹣9x=17.5,(138) x﹣0.36x=16,(139) 6×7+3x=69,

(140) 6x+2x﹣56=0,(141) 3x﹣0.45×4=2.7,(142) 5.8x﹣4.6x=0.96,(143) 8.4÷(9﹣x)=3,(144) 3x÷1.2=8,

(145)5x+28=71,

(146)8.7﹣1.2x=3.9,(147)8x﹣2.6x=37.8,(148)0.75x﹣0.95×4=8.5,(149)54÷2+3x=72,(150)8x﹣2.6=37.8,(153) 7.8﹣3x=3.6,

(154) 6×3﹣1.8x=7.2,(155)10:x=4.5:0.8,

(156):=x :,

(157)X﹣7.65=4.64,

(158)28.25﹣X=8.25,(159)X﹣(3.6+2.97)=12.42,

(160)÷x=,

(161)14.5=5.5,

(162)x﹣80%x=48,

(163)75%x﹣5×=6,

(164)x﹣6.8=15.4,

(165)1.9x=5.7,

(166)4.3y﹣y=4.6,

(167)5x+2.6=7.6,(168) x﹣1.5=12.9,

(169) 9x+5x=8.4,

(170) 6.8+3.2x=14.8,

(171)5÷x=,

(172)﹣x=,

(173)4.5×﹣3x=1.5,

(174)(1+25%)x=0.5,

(175)x﹣40%x=9,

(176)x×20%=15.2,

(178)x ﹣x=,

(179)x÷75%=3,

(180)4x ﹣,(181):x=:4.5,

(182)(x﹣4.5)×6=12.5,(183)27﹣17x=13.4,

(184)9.6+3x=3.24×5,(185)2x+5=5x﹣7,(186) 3(x﹣2)=2﹣5(x﹣2),(187)4x﹣3(20﹣x)+4=0,

(188)﹣=1,

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(191)30×(x÷4)=60,

(192)7.2×0.5﹣3x=1.2,

(193)5x﹣2.4×5=8,

(194)+x=×2,

(195)5x+2.4×15=66,

(196)3.2x+2.8x-x=1,

(197)2.5×16-8x=12,

(198)9.6-3x=6.3,

(199)5(x+6)=75,(200)x÷0.7+0.9×3=4,

解⽅程专项练习200题答案:(1)x ﹣=,=,

,x=;

(2) x ××=,x=,

x×21=×21,

x=12;

(3)﹣4x=,

﹣4x+4x=+4x,=+4x,

÷4=4x÷4,

x=.

(4) 8×2.5﹣2x=13.620﹣2x=13.6, x=3.2;

(5) 0.78:x=3:5,3x=0.78×5,

3x=3.9,

x=1.3

(6)1﹣20%x=0.4,1﹣20%x+20%x=0.4+20%x,

0.4+20%x=1,

0.4+20%x﹣0.4=1﹣0.4,

20%x=0.6,

20%x ×=0.6×,

x=3;

(8) 1÷(x ﹣)=6,1÷(x ﹣)×(x ﹣)=6×(x ﹣), 1=6×(x ﹣),

6x﹣6×=1,

6x﹣3=1,

6x=4,

6x÷6=4÷6,

x=

(9)2x ﹣x=1.2,x(2﹣)=1.2,

x=1.2,

x ÷=1.2÷,

x=1;

(10)9×3﹣1.7x=13.4,27﹣1.7x=13.4,

27﹣1.7x+1.7x=13.4+1.7x,

13.4+1.7x=27,

13.4+1.7x﹣13.4=27﹣13.4,

1.7x=13.6,

1.7x÷1.7=13.6÷1.7,

x=8

(11)x﹣25%x=24,75%x=24,

75%x÷75%=24÷75%,

x=32;

⽂档来源为:从⽹络收集整理.word版本可编辑.欢迎下载⽀持.x﹣0.6=,

x﹣0.6+0.6=+0.6,

x=,

x ÷=÷,

x=1

(13)0.6x+90%x=78,1.5x=78,

1.5x÷1.5=78÷1.5,

x=52;

(14)20%x﹣2.4×3=0.8,20%x﹣7.2=0.8,

20%x﹣7.2+7.2=0.8+7.2,

20%x÷20%=8÷20%,

x=40;

(15)x ﹣x=42,x=42,

x ÷=42÷,

x=252