六年级解方程专项练习题有答案.docx
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六年级解方程专项练习题有答案.docx
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六年级解方程专项练习题有答案
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,
(29)χ﹣
χ=
,
(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
(57)x+6﹣0.8x=16
(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)
(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=
,
(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),
(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)
:
=x:
8,
(124)
,
(125)x:
15=
:
,
(126)
x+
x=
,
(127)x×50%﹣
x=5,
(128)1﹣
x=
,
(129)2.5+1
x=3
,
(130)3
x﹣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,
(151)
x÷
=
,
(152)x+30%x=26,
(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×
﹣3
x=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,
(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,
(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=13.6
20﹣2x=13.6,
13.6+2X=20,
2X=6.4,
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﹣
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