1、六年级解方程专项练习200题(有答案)ok精品文档 收集于网络,如有侵权请联系管理员删除 六年级解方程专项练习200题(有答案)(1)x=, (2) x=, (3) 4x=,(4) 82.52x=13.6 (5) 0.78:x=3:5, (6)120%x=0.4, (8) 1(x)=6,(9)2xx=1.2, (10)931.7x=13.4, (11)x25%x=24, (12)x+0.2=,(13)0.6x+90%x=78, (14)20%x2.43=0.8, (15)xx=42, (16)0.6x+32.5=67.5, (17)1(x0.45)=5,(18)x2.25=8.25, (19)
2、: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+70.3=20.1, (25)x+x=, (26)x:42=, (27)0.5+x=, (28)0.8:=0.48:x, (29)=, (30)42:=:(31)5x0.4=75%,( 32) 6x0.9=4.5, (33)2(x3)=5.8,(34) 1.6x=6.4,(35) 4x39=29, (36)16+8x=40,(37) x1.1=3,(38)+2x=,(39)37x=1.04, (40)x1x=2, (41)xx=14,(42)3x
3、x=,(43)=, (44)1.2:=,(45)=:,(46):=x:0.8,(47)x=+1,(48)125%X+25%x=+25%x,(49)=, (50)X=,(51) 5:8=x:32, (52)2x+30.9=24.9, (53)5.3x2.9x=,(54)(72.8x)=1.5,(55)x:0.3=:,(56)150%x+66=99 (57)x+60.8x=16 (58) (59) (60)3(X)=1.3(61)(X+0.5):2=(X4):,(62) X0.05=3.528,(63)2X46=80, (64)44.53X=6.38, (65)4X7.2=10,(66)11.5X
4、+X=20, (67)3.812+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)4X=, (79)8(x2)=2(x+7), (80):18%=, (81)2x=, (82)x+x=46, (83):x=:, (84)=, (85)5(3x4)2(x1)=5(2x1) (86)=, (87)8(2X7)=5(X+13), (88)3(x+4.5)=60, (89)1.6x+2.4=7.52, (90)3(x0
5、.8)=6.3, (91)28.45x=5.8, (92)x:= (93)+2x=,(94)x=15%,(95)xx=,(96)x+50%x=6, (97):x=0.3:12, (98)4x+2(8x)=26, (99)x=0,(100)+x=1,(101)x(+)=,(102),(103), (104)x,(105)x,(106)5x+35=650, (107)7203x=80,(108)3.6x0.9x=8.1, (109)44.53x=6, (110)=, (111)631.8X=7.2, (112)x=, (113)x=42, (114)x+=,(115)7x3=8.19, (116)
6、12:0.6=x:, (117)3(x+2)=4(x+1), (118)3x70%x=9.2, (119) 6+x=240,(120)22.50.4x=12.5, (121)x:3.5=4:2, (122)x0.8x6=16, (123):=x:8,(124), (125)x:15=:,(126)x+x=,(127)x50%x=5, (128)1x=, (129)2.5+1x=3, (130)3x2=4,(131)8.53x=2, (132)3x=4, (133)x5%=17.54,(134):=:(4x), (135) 6x+31=49, (136) 7x3=8.19,(137) 32.89
7、x=17.5, (138) x0.36x=16,(139) 67+3x=69, (140) 6x+2x56=0,(141) 3x0.454=2.7, (142) 5.8x4.6x=0.96, (143) 8.4(9x)=3, (144) 3x1.2=8, (145)5x+28=71, (146)8.71.2x=3.9,(147)8x2.6x=37.8, (148)0.75x0.954=8.5, (149)542+3x=72, (150)8x2.6=37.8,(151)x=,(152)x+30%x=26, (153) 7.83x=3.6, (154) 631.8x=7.2, (155)10:x=
8、4.5:0.8, (156):=x:, (157)X7.65=4.64,(158)28.25X=8.25, (159)X(3.6+2.97)=12.42, (160)x=, (161)14.5=5.5,(162)x80%x=48, (163)75%x5=6, (164)x6.8=15.4, (165)1.9x=5.7,(166)4.3yy=4.6, (167)5x+2.6=7.6,(168) x1.5=12.9, (169) 9x+5x=8.4, (170) 6.8+3.2x=14.8,(171)5x=, (172)x=,(173)4.53x=1.5, (174)(1+25%)x=0.5, (
9、175)x40%x=9, (176)x20%=15.2,(178)xx=, (179)x75%=3,(180)4x, (181):x=:4.5, (182)(x4.5)6=12.5, (183)2717x=13.4, (184)9.6+3x=3.245,(185)2x+5=5x7, (186) 3(x2)=25(x2), (187)4x3(20x)+4=0, (188)=1,(189)4x56=12, (190)8x3x=15.6, (191)30(x4)=60,(192)7.20.53x=1.2, (193)5x2.45=8, (194)+x=2,(195)5x+2.415=66, (196
10、)3.2x+2.8x-x=1, (197)2.516-8x=12, (198)9.6-3x=6.3, (199)5(x+6)=75,(200)x0.7+0.93=4, 解方程专项练习200题答案:(1)x=, =, , x=; (2) x=, x=, x21=21, x=12; (3) 4x=,4x+4x=+4x,=+4x, 4=4x4, x=(4) 82.52x=13.6 202x=13.6, 13.6+2X=20, 2X=6.4, x=3.2;(5) 0.78:x=3:5, 3x=0.785, 3x=3.9, x=1.3(6)120%x=0.4, 120%x+20%x=0.4+20%x,
11、0.4+20%x=1,0.4+20%x0.4=10.4, 20%x=0.6, 20%x=0.6, x=3;(8) 1(x)=6,1(x)(x)=6(x), 1=6(x), 6x6=1, 6x3=1, 6x=4, 6x6=46, x=(9)2xx=1.2, x(2)=1.2, x=1.2, x=1.2, x=1;(10)931.7x=13.4, 271.7x=13.4, 271.7x+1.7x=13.4+1.7x, 13.4+1.7x=27,13.4+1.7x13.4=2713.4, 1.7x=13.6, 1.7x1.7=13.61.7, x=8(11)x25%x=24, 75%x=24, 75
12、%x75%=2475%, x=32;(12)x+0.2=,x0.6=,x0.6+0.6=+0.6,x=,x=, x=1(13)0.6x+90%x=78, 1.5x=78, 1.5x1.5=781.5, x=52; (14)20%x2.43=0.8, 20%x7.2=0.8, 20%x7.2+7.2=0.8+7.2, 20%x20%=820%, x=40;(15)xx=42, x=42, x=42, x=252(16)0.6x+32.5=67.5, 0.6x+7.5=67.5, 0.6x+7.57.5=67.57.5, 0.6x=60, 0.6x0.6=600.6, x=100; (17)1(x
13、0.45)=5,(x0.45)(x0.45)=(x0.45), x2.4=1.6,x2.4+2.4=1.6+2.4, x=4,x=4, x=(18)x2.25=8.25, x2.25+2.25=8.25+2.25, x=10.5;(19):x=3:12, 3x=12, 3x3=93, x=3(20)x+0.8=5.6, x+0.80.8=5.60.8, x=4.8, x=4.8, x=8(21) 1.4:x=1:0.75, x=1.40.75, x=1.05 (22) x(2)=24, x=24, x=24, x=20;(23) 4x=3,4x+=3+, 4x=4, 4x4=44, x=1(2
14、4)12x+70.3=20.1, 12x+2.1=20.1, 12x+2.12.1=20.12.1, 12x12=1812, x=1.5;(25)x+x=, x=, x, x=;(26)x:42=, 10x=42, 10x10=3010, x=3(27)0.5+x=, 0.75+x=3.75, 0.75+x0.75=3.750.75, x=3, x=3, x=6;(28)0.8:=0.48:x, 0.8x=0.48, 0.8x=0.2, 0.8x0.8=0.20.8, x=(29)=, x=, x=, x=3;(30)42:=:x=42,x=30, x=50;(31)5x0.4=75%, 5x
15、0.4+0.4=75%+0.4, 5x5=1.155, x=0.23( 32) 6x0.9=4.5, 6x0.9+0.9=4.5+0.9, 6x=5.4, 6x6=5.46, x=0.9;(33)2(x3)=5.8,2(x3)2=5.82 x3=2.9, x3+3=2.9+3, x=5.9;(34) 1.6x=6.4,1.6x1.6=6.41.6, x=4;(35) 4x39=29, 4x27=29, 4x27+27=29+27, 4x=56, 4x4=564, x=14;(36)16+8x=40,16+8x16=4016, 8x=24, 8x8=248, x=3;(37) x1.1=3,x1
16、.11.1=31.1, x=3.3(38)+2x=,+2x=, 2x=, 2x2=2, x=;(39)37x=1.04, 2.167x=1.04, 2.167x1.04=1.041.04, 1.127x=0, 7x7=1.127, x=0.16;(40)x1x=2, x1=2, x1+1=2+1, x=3, x=3, x=18;(41)xx=14,x=14,x=14, x=18;(42)3xx=,x=,x=, x=;(43)=, 2.4x=720.26, 2.4x=18.72,2.4x2.4=18.722.4, x=7.8;(44)1.2:=,x=1.25,x=6,x=6, x=9;(45)=
17、:,x=18,x=,x=, x=12;(46):=x:0.8,x=0.8,x=0.04, x=0.2;(47)x=+1, x=, x=1(48) 125%X+25%x=+25%x,0.25x+0.250.25=10.25, 0.25x=0.75, x=3;(49)=, 0.25x=1.251.6,0.25x0.25=1.251.60.25, x=8;(50)X=,X=, x=;(51) 5:8=x:32, 8x=532,8x8=5328, x=20(52)2x+30.9=24.9, 2x+2.7=24.9, 2x+2.72.7=24.92.7, 2x2=22.22, x=11.1;(53)5.
18、3x2.9x=, 2.4x=, 2.4x2.4=2.4, x=;(54)(72.8x)=1.5,(72.8x)=1.5, 72.8x=2.1, 72.8x+2.8x=2.1+2.8x, 72.1=2.1+2.8x2.1, 4.92.8=2.8x2.8, x=1.75;(55)x:0.3=:,x=0.3,x=, x=(56)150%x+66=99 1.5x+66=99 1.5x=33 x=22(57)x+60.8x=16 0.2x+6=16 0.2x=10 x=50(58) x=14.4(59) 0.55x=5.5 x=10(60)3(X)=1.33(X)(x)=1.3(x), 3=1.3x0.
19、78, 3+0.78=1.3x0.78+0.78, 4.68=1.3x, 4.681.3=1.3x1.3, x=3.6;(61)(X+0.5):2=(X4):,(x4)=(x+0.5),x4=x+0.5,x10x=x+x, 2.25x10+10=0.125+10, 2.25x2.25=10.1252.25, x=4.5(62) X0.05=3.528,X0.050.05=3.5280.05, X=0.1764;(63)2X46=80, 2X24=80, 2X24+24=80+24, 2X=104, 2X2=1042, X=52;(64)44.53X=6.38, 183X=6.38, 183X+
20、3X=6.38+3X, 6.38+3X=18,6.38+3X6.38=186.38, 3X=11.62, 3X3=11.623, X=;(65)4X7.2=10,4X7.2+7.2=10+7.2, 4X=17.2, 4X4=17.24, X=4.3;(66)11.5X+X=20, 12.5X=20,12.5X12.5=2012.5, X=1.6;(67)3.812+15X=87.6, 45.6+15X=87.6,45.6+15X45.6=87.645.6, 15X=42, 15X15=4215, X=2.8(68)6X+5=17, 6x+55=175, 6x6=126, x=2;(69)0.6
21、(2.5+X)=4.2,0.6(2.5+X)0.6=4.20.6, 2.5+x=7, 2.5+x2.5=72.5, x=4.5;(70):=X:, x=, x=, x=0.6(71), , ;(72),;(73), , (74)4(+x)=,+4x=,+4x=, 4x=4, x=1;(75)0.25+x=, 0.2+x=, 0.2+x0.2=0.2, x=, x=(76)x, , , x=;(77)200:6=x:, 6x=200, 6x6=4806, x=80(78)4X=, 4XX=X, X=4, X=4, X=10;(79)8(x2)=2(x+7), 8X16=2X+14, 6X16=1
22、4, 6X=30, X=5;(80):18%=, X=0.186.5, X=1.17, X=7.8(81)2x=, 2x+2x=+2x, +2x=, +2x=, 2x=, 2x2=2, x=;(82)x+x=46, x(+)=46, x=46, x=46, x=40;(83):x=:, x=, x=, x=, x=;(84)=, 1.6x=6.42, 1.6x=12.8,1.6x1.6=12.81.6, x=8(85)5(3x4)2(x1)=5(2x1) 15x202x+2=10x5, 13x18=10x5, 13x1810x=10x510x, 3x18=5, 3x18+18=5+18, 3x
23、=13, 3x3=133, x=;(86)=, 3(6x1)=64, 18x3=64, 18x3+3=64+3, 18x=67, 18x18=6718, x=(87)8(2X7)=5(X+13), 16x56=5x+65, 16x565x=5x+655x, 11x56=65, 11x56+56=65+56, 11x=121, 11x11=12111, x=11,(88)3(x+4.5)=60, 3(x+4.5)3=603, x+4.5=20, x+4.54.5=204.5, x=15.5(89)1.6x+2.4=7.52, 1.6x+2.42.4=7.522.4, 1.6x=5.12, 1.6
24、x1.6=5.121.6, x=3.2;(90)3(x0.8)=6.3, 3x2.4=6.3, 3x2.4+2.4=6.3+2.4, 3x=8.7, 3x3=8.73, x=2.9;(91)28.45x=5.8, 28.45x+5x=5.8+5x, 5.8+5x=28.4, 5.8+5x5.8=28.45.8, 5x=22.6, 5x5=22.65, x=4.52(92)x:= 25x=3, 25x=, 25x25=, x=;(93)+2x=,+2x=, 2x=0, x=0;(94)x=15%,xx=15%x, 0.15x=0.15,0.15x0.15=0.150.15, x=1;(95)xx
25、=,x=,x=, x=(96)x+50%x=6, 1.5x=6, 1.5x1.5=61.5, x=4;(97):x=0.3:12, 0.3x=, 0.3x0.3=90.3, x=30;(98)4x+2(8x)=26, 4x+162x=26, 2x+16=26, 2x+1616=2616, 2x2=102, x=5(99)x=0,x+=0+,x=,x3=3, x=;(100)+x=1,+x=1,x=,x=, x=1;(101)x(+)=,x=,x=, x=(102), 3x3=, x=;(103), , x=20;(104)x, x=;(105)x,x, x=(106)5x+35=650, 5x+3535=65035, 5x=615, 5x5=6155, x=123;(107)7203x=80, 7203x3x=803x, 240x=720, 240x240=720240, x=3;(108)3.6x0.9x=8.1, (3.60.9)x=8.1, 2.7x=8.1, 2.7x2.7=8.12.7, x=3;(109)44.53x=6, 183x=6, 183x+3x=6+3x, 6+3x=18,