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六年级解方程专项练习题

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2024年5月15日发(作者:莘空)

题六年级解方程专项练习200

﹣x=1.22x), (1)x(﹣9=,

(10)9×3﹣1.7x=13.4, ×= x×,2()

(11)x﹣25%x=24, (3) ﹣,4x=

+0.2=,x 12(﹣)2x=13.6 2.5 84()×﹣

(13 )0.6x+90%x=78, ,::)(5 0.78x=35

(14),20%x=0.4﹣)(61 20%x﹣2.4×3=0.8,

x=42 ,=6)x÷( 1)8(﹣,x(15)﹣

,0.6x+3×2.5=67.5(16)=3,(23) 4x ﹣

),=5)x1÷(﹣0.45(17(24)12x+7×0.3=20.1,

2.25=8.25,x(18)﹣x=,(25x+)

,:19):x=312(

20()x+0.8=5.6,

:x=121) 1.4(: 0.75,

=,﹣χ )( ,=24)2×( (22) x﹣29χ

42=, 26)x:

x=,0.5+(27 )×

:=0.48:x, 0.8(28)

)×3﹣7x=1.04χ,: 39((30)42 :=

﹣x=21, (40)x﹣ ,5x﹣0.4=75%(31)

﹣x=14, x(41) ,( 32) 6x﹣0.9=4.5

x=)3x,﹣(42 2(33)()=5.8,3x﹣

,(34) 1.6x=6.4 ),(43=

9=293(35) 4x﹣×,

=44)1.2:,(

16+8x=40)(36 ,

=:(45),

÷ x37() 1.1=3,

,0.8=x(46)::

(,+2x=)38

:,: 0.3=, (55)(47)xx=+1

+25%x48)1﹣,25%X+25%x=((56)150%x+66=99

,=(57))x+6﹣0.8x=16 (49

×X=,))58(50(

551():8=x:,32

)(59

×2x+30.9=24.9,)(52﹣)÷(X60()=1.3

3

53()2.9x=,﹣5.3x

,) 4)X+0.5:=2(X﹣(61()

=1.5)2.8x﹣×()54(7, ,0.05=3.528 X62()÷

6=80,﹣4×(63)2X)72 (

﹣3X=6.38,(64)4×4.5

)(654X﹣7.2=10,

=,+x)(74)4 (

(66)11.5X+X=20,

x=,750.25+)× (

×)3.812+15X=87.6, (67

﹣, (76)x (68,)6X+5=17

(69=4.2,)×()0.62.5+X 6=x,:(77)200:

=X70()::X=)4÷,78 ,(

)x+7,()﹣()(798x2=2 ()71,

, (73 )

(88)3(x+4.5)=60, 18%=:(80,)

(89)1.6x+2.4=7.52,

2x=﹣, )(81

(90)3(x﹣0.8)=6.3,

,x=46x+ 82()

5x=5.8,91) 28.4﹣(

:83():,x=

=(92)x:

=,(84)

,(93+2x=) 3x585()(﹣﹣1)2x=51x24)﹣(﹣)(

)x=15%94(, (=,)86

,95()x﹣x= 8)87((X+13(=5)7﹣2X),

x+50%x=6,(96)﹣, 104)x(

):x=0.312,(97:

=26, ))4x+2(8﹣x(98

(106 )5x+35=650,

﹣x,=0(99)

(107)720 ÷3x=80,

,100()+x=1

(108)3.6x﹣ 0.9x=8.1,

=,x101()×(+) ,﹣3x=6109()4×4.5

(102,)

)x (105

×,

,=(110

(,)103

,1.8X=7.236111()×﹣

(120)22.5﹣0.4x=12.5, )÷,(112x=

2,3.5=4: :(121)x

(122)x﹣0.8x﹣6=16, (114),x+=

:=x:8), (123 7x115()÷,3=8.19

)0.6=x116()12::,, (124

,x+1=4x+23117()()() ,:(125)x:15=

(118)3x,﹣70%x=9.2 ,x+x=(126)

(113)x÷=42

x=5﹣,×) ,(119) 6+x=240(127x50%

(136) 7x÷3=8.19, x=,)1﹣(128

(137) 32.8﹣9x=17.5, 2.5+1,129)x=3(

(138) x﹣0.36x=16, 2﹣=4)(130,3x

(139) 6×7+3x=69, ,)(1318.5﹣3x=2

(140) 6x+2x﹣56=0, )÷3x=4,132(

,5%=17.54x(133)﹣(141) 3x﹣0.45×4=2.7,

,﹣(142) 5.8x4.6x=0.96 x﹣4:=)(134:(),

,=3x9(143) 8.4÷(﹣)

,(135) 6x+31=49

(144) 3x÷1.2=8, (153) 7.8﹣3x=3.6,

(154(145)5x+28=71, ) 6×3﹣1.8x=7.2,

(155)10: ,x=4.5:0.8, 8.7(146)﹣1.2x=3.9

,8x)﹣2.6x=37.8(147:,156=x) :(

4=8.50.75x(148)﹣0.95×,

7.65=4.64, 157)X﹣(

54,÷2+3x=72 )(149 ,28.25 )﹣X=8.25(158

=12.42), 2.6=37.88x150()﹣,159)X﹣(3.6+2.97(

151(=,÷)x

x=160(,)÷

)(152,x+30%x=26

,14.5=5.5(161)

,x﹣80%x=48(162)x=, 5÷(171)

×=675%x(163)﹣5,

x=,﹣172( )

)x, ﹣6.8=15.4(164

3x=1.5,4.5173)

, 1.9x=5.7(165) x=0.5,1+25%174)( )(

y=4.6166()4.3y﹣,

40%x=9,)x﹣ (175

, 5x+2.6=7.6167()

,×20%=15.2176( )x

,﹣(168) x1.5=12.9

×﹣(

﹣,(178x)x=

,(169) 9x+5x=8.4

,(170) 6.8+3.2x=14.8 ,75%=3x(179)÷

)4x,﹣(180﹣=1188,) (

4.5:),x=(181:(189)4x﹣5×6=12,

6=12.5, ﹣(182)(x4.5)×(190) 8x﹣3x=15.6,

17x=13.4(183)27﹣,

(191)30×(x ÷4)=60,

, ×)(1849.6+3x=3.245 3x=1.2,7.2×0.5﹣ (192)

185(), 72x+5=5x﹣ 5=8,×(193) 5x﹣2.4

,2x5﹣=22x(186) 3(﹣)(﹣)

2(194),+x=×

(﹣4x)1873+4=0)﹣20x ,( ,15=665x+2.4195()×

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

,197)2.5×16-8x=12(

,198()9.6-3x=6.3

x+6,)=75)(1995(

,3=4x200()÷0.7+0.9×

﹣)

题解方程专项练习200

答案:

﹣)x×(,)×(x ﹣)1÷(x=6﹣

x,(1)x﹣ =, 1=6×(

×=16, 6x﹣ =,

6x﹣3=1, , 6x=4,

6x÷6=4÷6, ; x=

x=

﹣x=1.2×,=, (9)2x(2) x×

x=1.2, ×x2121=×,

﹣)=1.2x=, , x(2

x=12;÷,x ÷=1.2

x=1; 4x=,(3) ﹣

(10)9×3﹣1.7x=13.4, ﹣4x+4x=,+4x 27﹣1.7x=13.4,

27﹣1.7x+1.7x=13.4+1.7x, ,=+4x 13.4+1.7x=27,

13.4+1.7x﹣13.4=27﹣13.4, ÷4=4x4,÷ 1.7x=13.6,

1.7x÷1.7=13.6÷1.7, x=. x=8

(11)x﹣2x=13.6 84()×2.5﹣25%x=24,

75%x=24 , ,﹣ 202x=13.6 75%x÷75%=24÷75%,

13.6+2X=20, x=32; , 2X=6.4

2024年5月15日发(作者:莘空)

题六年级解方程专项练习200

﹣x=1.22x), (1)x(﹣9=,

(10)9×3﹣1.7x=13.4, ×= x×,2()

(11)x﹣25%x=24, (3) ﹣,4x=

+0.2=,x 12(﹣)2x=13.6 2.5 84()×﹣

(13 )0.6x+90%x=78, ,::)(5 0.78x=35

(14),20%x=0.4﹣)(61 20%x﹣2.4×3=0.8,

x=42 ,=6)x÷( 1)8(﹣,x(15)﹣

,0.6x+3×2.5=67.5(16)=3,(23) 4x ﹣

),=5)x1÷(﹣0.45(17(24)12x+7×0.3=20.1,

2.25=8.25,x(18)﹣x=,(25x+)

,:19):x=312(

20()x+0.8=5.6,

:x=121) 1.4(: 0.75,

=,﹣χ )( ,=24)2×( (22) x﹣29χ

42=, 26)x:

x=,0.5+(27 )×

:=0.48:x, 0.8(28)

)×3﹣7x=1.04χ,: 39((30)42 :=

﹣x=21, (40)x﹣ ,5x﹣0.4=75%(31)

﹣x=14, x(41) ,( 32) 6x﹣0.9=4.5

x=)3x,﹣(42 2(33)()=5.8,3x﹣

,(34) 1.6x=6.4 ),(43=

9=293(35) 4x﹣×,

=44)1.2:,(

16+8x=40)(36 ,

=:(45),

÷ x37() 1.1=3,

,0.8=x(46)::

(,+2x=)38

:,: 0.3=, (55)(47)xx=+1

+25%x48)1﹣,25%X+25%x=((56)150%x+66=99

,=(57))x+6﹣0.8x=16 (49

×X=,))58(50(

551():8=x:,32

)(59

×2x+30.9=24.9,)(52﹣)÷(X60()=1.3

3

53()2.9x=,﹣5.3x

,) 4)X+0.5:=2(X﹣(61()

=1.5)2.8x﹣×()54(7, ,0.05=3.528 X62()÷

6=80,﹣4×(63)2X)72 (

﹣3X=6.38,(64)4×4.5

)(654X﹣7.2=10,

=,+x)(74)4 (

(66)11.5X+X=20,

x=,750.25+)× (

×)3.812+15X=87.6, (67

﹣, (76)x (68,)6X+5=17

(69=4.2,)×()0.62.5+X 6=x,:(77)200:

=X70()::X=)4÷,78 ,(

)x+7,()﹣()(798x2=2 ()71,

, (73 )

(88)3(x+4.5)=60, 18%=:(80,)

(89)1.6x+2.4=7.52,

2x=﹣, )(81

(90)3(x﹣0.8)=6.3,

,x=46x+ 82()

5x=5.8,91) 28.4﹣(

:83():,x=

=(92)x:

=,(84)

,(93+2x=) 3x585()(﹣﹣1)2x=51x24)﹣(﹣)(

)x=15%94(, (=,)86

,95()x﹣x= 8)87((X+13(=5)7﹣2X),

x+50%x=6,(96)﹣, 104)x(

):x=0.312,(97:

=26, ))4x+2(8﹣x(98

(106 )5x+35=650,

﹣x,=0(99)

(107)720 ÷3x=80,

,100()+x=1

(108)3.6x﹣ 0.9x=8.1,

=,x101()×(+) ,﹣3x=6109()4×4.5

(102,)

)x (105

×,

,=(110

(,)103

,1.8X=7.236111()×﹣

(120)22.5﹣0.4x=12.5, )÷,(112x=

2,3.5=4: :(121)x

(122)x﹣0.8x﹣6=16, (114),x+=

:=x:8), (123 7x115()÷,3=8.19

)0.6=x116()12::,, (124

,x+1=4x+23117()()() ,:(125)x:15=

(118)3x,﹣70%x=9.2 ,x+x=(126)

(113)x÷=42

x=5﹣,×) ,(119) 6+x=240(127x50%

(136) 7x÷3=8.19, x=,)1﹣(128

(137) 32.8﹣9x=17.5, 2.5+1,129)x=3(

(138) x﹣0.36x=16, 2﹣=4)(130,3x

(139) 6×7+3x=69, ,)(1318.5﹣3x=2

(140) 6x+2x﹣56=0, )÷3x=4,132(

,5%=17.54x(133)﹣(141) 3x﹣0.45×4=2.7,

,﹣(142) 5.8x4.6x=0.96 x﹣4:=)(134:(),

,=3x9(143) 8.4÷(﹣)

,(135) 6x+31=49

(144) 3x÷1.2=8, (153) 7.8﹣3x=3.6,

(154(145)5x+28=71, ) 6×3﹣1.8x=7.2,

(155)10: ,x=4.5:0.8, 8.7(146)﹣1.2x=3.9

,8x)﹣2.6x=37.8(147:,156=x) :(

4=8.50.75x(148)﹣0.95×,

7.65=4.64, 157)X﹣(

54,÷2+3x=72 )(149 ,28.25 )﹣X=8.25(158

=12.42), 2.6=37.88x150()﹣,159)X﹣(3.6+2.97(

151(=,÷)x

x=160(,)÷

)(152,x+30%x=26

,14.5=5.5(161)

,x﹣80%x=48(162)x=, 5÷(171)

×=675%x(163)﹣5,

x=,﹣172( )

)x, ﹣6.8=15.4(164

3x=1.5,4.5173)

, 1.9x=5.7(165) x=0.5,1+25%174)( )(

y=4.6166()4.3y﹣,

40%x=9,)x﹣ (175

, 5x+2.6=7.6167()

,×20%=15.2176( )x

,﹣(168) x1.5=12.9

×﹣(

﹣,(178x)x=

,(169) 9x+5x=8.4

,(170) 6.8+3.2x=14.8 ,75%=3x(179)÷

)4x,﹣(180﹣=1188,) (

4.5:),x=(181:(189)4x﹣5×6=12,

6=12.5, ﹣(182)(x4.5)×(190) 8x﹣3x=15.6,

17x=13.4(183)27﹣,

(191)30×(x ÷4)=60,

, ×)(1849.6+3x=3.245 3x=1.2,7.2×0.5﹣ (192)

185(), 72x+5=5x﹣ 5=8,×(193) 5x﹣2.4

,2x5﹣=22x(186) 3(﹣)(﹣)

2(194),+x=×

(﹣4x)1873+4=0)﹣20x ,( ,15=665x+2.4195()×

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

,197)2.5×16-8x=12(

,198()9.6-3x=6.3

x+6,)=75)(1995(

,3=4x200()÷0.7+0.9×

﹣)

题解方程专项练习200

答案:

﹣)x×(,)×(x ﹣)1÷(x=6﹣

x,(1)x﹣ =, 1=6×(

×=16, 6x﹣ =,

6x﹣3=1, , 6x=4,

6x÷6=4÷6, ; x=

x=

﹣x=1.2×,=, (9)2x(2) x×

x=1.2, ×x2121=×,

﹣)=1.2x=, , x(2

x=12;÷,x ÷=1.2

x=1; 4x=,(3) ﹣

(10)9×3﹣1.7x=13.4, ﹣4x+4x=,+4x 27﹣1.7x=13.4,

27﹣1.7x+1.7x=13.4+1.7x, ,=+4x 13.4+1.7x=27,

13.4+1.7x﹣13.4=27﹣13.4, ÷4=4x4,÷ 1.7x=13.6,

1.7x÷1.7=13.6÷1.7, x=. x=8

(11)x﹣2x=13.6 84()×2.5﹣25%x=24,

75%x=24 , ,﹣ 202x=13.6 75%x÷75%=24÷75%,

13.6+2X=20, x=32; , 2X=6.4

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