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