六年级解方程专项练习200题有答案Word文件下载.docx
- 文档编号:20867301
- 上传时间:2023-01-26
- 格式:DOCX
- 页数:57
- 大小:35.70KB
六年级解方程专项练习200题有答案Word文件下载.docx
《六年级解方程专项练习200题有答案Word文件下载.docx》由会员分享,可在线阅读,更多相关《六年级解方程专项练习200题有答案Word文件下载.docx(57页珍藏版)》请在冰豆网上搜索。
(44)1.2:
=,
(45)=:
,
(46):
=x:
0.8,
第3页共28页
(47)x=+1,(55)x:
0.3=:
(48)1﹣25%X+25%x=+25%x,
(56)150%x+66=99
=,
(49)(57)x+6﹣0.8x=16
×
X=,
(50)(58)
(51)5:
8=x:
32,
(59)
(52)2x+3×
0.9=24.9,
(60)3÷
(X﹣)=1.3
(53)5.3x﹣2.9x=,
(61)(X+0.5):
2=(X﹣4):
(54)×
(7﹣2.8x)=1.5,
(62)X÷
0.05=3.528,
第4页共28页
(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),
第5页共28页
(80):
18%=,
﹣2x=,
(81)
x+x=46,
(82)
(83):
x=:
(84)=,
(85)5(3x﹣4)﹣2(x﹣1)=5(2x﹣1)
(86)=,
(87)8(2X﹣7)=5(X+13),
(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=,
第6页共28页
(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,
第7页共28页
(112)÷
x=,
(113)x÷
=42,
(114)x+=,
(115)7x÷
3=8.19,
(116)12:
0.6=x:
(117)3(x+2)=4(x+1),
(118)3x﹣70%x=9.2,
(119)6+x=240,
(120)22.5﹣0.4x=12.5,
(121)x:
3.5=4:
2,
(122)x﹣0.8x﹣6=16,
(123):
8,
(124),
(125)x:
15=:
(126)x+x=,
(127)x×
50%﹣x=5,
第8页共28页
(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÷
(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,
第9页共28页
(144)3x÷
1.2=8,(153)7.8﹣3x=3.6,
(145)5x+28=71,(154)6×
3﹣1.8x=7.2,
(146)8.7﹣1.2x=3.9,(155)10:
x=4.5:
0.8,
(147)8x﹣2.6x=37.8,
(156):
(148)0.75x﹣0.95×
4=8.5,
(157)X﹣7.65=4.64,
(149)54÷
2+3x=72,
(158)28.25﹣X=8.25,
(150)8x﹣2.6=37.8,(159)X﹣(3.6+2.97)=12.42,
(151)x÷
(160)÷
(152)x+30%x=26,
(161)14.5=5.5,
第10页共28页
(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÷
(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,
第11页共28页
(180)4x﹣,
(181):
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,
(189)4x﹣5×
6=12,
(190)8x﹣3x=15.6,
(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,
第12页共28页
(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,
第13页共28页
解方程专项练习200题答案:
(1)x﹣=,
,
x=;
x=,
x×
21=×
21,
x=12;
(3)﹣4x=,
﹣4x+4x=+4x,
=+4x,
÷
4=4x÷
4,
x=.
1÷
(x﹣)×
(x﹣)=6×
(x﹣),
1=6
6x
﹣6×
=1,
﹣3=1,
6x=4
6=4÷
6,
x=
(9)2x﹣x=1.2,
x(2﹣)=1.2,x=1.2,
x÷
=1.2÷
x=1;
(10)9×
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
(4)8×
20
﹣2x=13.6,
75%x=24
13.6+2X=20
75%x
75%=24÷
75%,
2X=6.4
x=32
;
x=3.2
(5)0.78
:
5,
(12)x﹣+0.2=
3x=0.78
3x=3.9
x﹣0.6=
x=1.3
(6)1﹣20%x=0.4,
x﹣0.6+0.6=+0.6,
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
x=1
(8)1
(x﹣)=6,
(13)0.6x+90%x=78,
第14页共28页
1.5x=78,
1.5x÷
1.5=78÷
1.5,
x=52;
(14)20%x﹣2.4×
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,
=42÷
x=252
0.6x+7.5=67.5
0.6x+7.5
﹣7.5=67.5
﹣7.5,
0.6x=60
0.6x
0.6=60÷
0.6,
x=100
(x﹣0.45)×
(x﹣0.45)=
(x﹣0.45),
x﹣2.4=1.6,
x﹣2.4+2.4=1.6+2.4,
x=4,
=4÷
x﹣2.25+2.25=8.25+2.25,
x=10.5;
3x=
3x÷
3=9÷
3,
x+0.8﹣0.8=5.6﹣0.8,
x=4.8,
=4.8×
x=8.
x=1.4×
x=1.05
(22)x×
=24,
=24÷
x=20;
4x﹣+=3+,
4x=4,
4x÷
4=4÷
12x+2.1=20.1,
12x+2.1﹣2.1=20.1﹣2.1,
12x÷
12=18÷
x=1.5;
(26)x:
42=,
10x=42×
10x÷
10=30÷
10,
第15页共28页
0.75+
x=3.75,
x﹣0.75=3.75﹣0.75,
x=3,
=3÷
x=6
=0.48:
x,
0.8x=
0.48,
0.8x=0.2
0.8x÷
0.8=0.2÷
(29)χ﹣χ=,x=,
x=,
x=3;
x=42×
x=30,
x=50;
5x﹣0.4+0.4=75%+0.4,
5x÷
5=1.15÷
x=0.23
(32)
﹣0.9=4.5,
﹣0.9+0.9=4.5+0.9,
6x=5.4
6=5.4÷
6,
x=0.9
2(x﹣3)÷
2=5.8÷
2
x﹣3=2.9,
x﹣3+3=2.9+3,
x=5.9;
1.6x÷
1.6=6.4÷
1.6,
x=4;
(35)4x﹣3×
4x﹣27=29,
4x﹣27+27=29+27,
4x=56,
4=56÷
4,
x=14;
16+8x﹣16=40﹣16,
8x=24,
8x÷
8=24÷
1.1=3,
1.1×
1.1=3×
1.1,
x=3.3
(38)+2x=,
+2x=,
2x=,
2x÷
2=÷
2,
2.16﹣7x=1.04,
2.16﹣7x﹣1.04=1.04﹣1.04,
1.12﹣7x=0,
7x÷
7=1.12÷
7,
x=0.16;
x﹣1=2,
x﹣1+1=2+1,
x=3,
x=18;
(41)x﹣x=14,
第16页共28页
x=14,
x=14,
(43)=,
2.4x=72
0.26,
2.4x=18.72
2.4x÷
2.4=18.72÷
2.4,
x=7.8;
x=1.2×
x=6,
x=6,
x=9;
(45)=:
,x=18×
(48)1﹣25%X+25%x=+25%x,
0.25x+0.25﹣0.25=1﹣0.25,
0.25x=0.75,
(49)
0.25x=1.25
1.6
0.25x÷
0.25=1.25
0.25,
x=8;
(50)
X÷
(51)5:
8=x:
8x=5×
8x÷
8=5×
32÷
x=20
(52)2x+3×
2x+2.7=24.9,
2x+2.7﹣2.7=24.9﹣2.7,
2=22.2÷
x=11.1;
(53)5.3x﹣2.9x=,
2.4x=,
2.4=÷
x
=
x=12
(7﹣2.8x)=1.5,
(46)
(7﹣2.8x)
=1.5
7
﹣2.8x=2.1
﹣2.8x+2.8x=2.1+2.8x
=0.04
﹣2.1=2.1+2.8x
﹣2.1,
4.9
2.8=2.8x
2.8,
x=0.2
x=1.75
(47)x
+1,
(55)x:
0.3=
x=0.3×
第17页共28页
2X﹣24+24=80+24,
2X=104
2X
2=104÷
X=52;
(64)4×
4.5﹣3X=6.38,
1.5x+66=99
18
﹣3X=6.38,
1.5x=33
﹣3X+3X=6.38+3X,
x=22
6.38+3X=18
(57)x+6﹣0.8x=16
6.38+3X﹣6.38=18﹣6.38,
0.2x+6=16
3X=11.62
0.2x=10
3X
3=11.62÷
x=50
X=
(58)
(65)4X﹣7.2=10,
4X﹣7.2+7.2=10+7.2,
4X=17.2
x=14.4
4X
4=17.2÷
X=4.3
(66)11.5X+X=20,
0.55x=5.5
12.5X=20
x=10
12.5X÷
12.5=20÷
12.5,
(60)3
(X﹣)=1.3
X=1.6
(67)3.8×
3÷
(X﹣)×
(x﹣)=1.3×
3
=1.3x﹣0.78,
+0.78=1.3x﹣0.78+0.78,
4.68=1.3x
4.68
1.3=1.3x
1.3,
x=3.6
(61)(X+0.5):
2=(X﹣4):
(x﹣4)=(x+0.5)×
x﹣×
4=x+×
0.5,
x﹣10﹣x=x+x,
2.25x﹣10+10=0.125+10,
2.25x÷
2.25=10.125÷
2.25,
x=4.5
(62)X÷
0.05=3.528,
0.05×
0.05=3.528×
0.05,
X=0.1764;
2X﹣24=80,
45.6+15X=87.6,
45.6+15X﹣45.6=87.6﹣45.6,
15X=42,
15X÷
15=42÷
15,
X=2.8
6x+5﹣
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 六年级 方程 专项 练习 200 答案
![提示](https://static.bdocx.com/images/bang_tan.gif)