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+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,
(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×﹣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,
(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﹣)=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;
(12)x﹣+0.2=,
x﹣0.6=,