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六年级解方程专项练习200题.docx

1、六年级解方程专项练习200题 六年级解方程专项练习200题(有答案)(1)x=, (2) x=, (3) 4x=,(4) 82x= (5) :x=3:5, (6)120%x=, (8) 1(x)=6,(9)2xx=, (10)93=, (11)x25%x=24, (12)x+=,(13)+90%x=78, (14)20%x3=, (15)xx=42, (16)+3=, (17)1(x)=5,(18)x=, (19):x=3:12, (20)x+=, (21) :x=1:, (22) x(2)=24, (23) 4x=3,(24)12x+7=, (25)x+x=, (26)x:42=, (27)

2、+x=, (28):=:x, (29)=, (30)42:=:(31)5x=75%,( 32) 6x=, (33)2(x3)=,(34) =,(35) 4x39=29, (36)16+8x=40,(37) x=3,(38)+2x=,(39)37x=, (40)x1x=2, (41)xx=14,(42)3xx=,(43)=, (44):=,(45)=:,(46):=x:,(47)x=+1,(48)125%X+25%x=+25%x,(49)=, (50)X=,(51) 5:8=x:32, (52)2x+3=, (53)=,(54)(7)=,(55)x:=:,(56)150%x+66=99 (57)

3、x+6=16 (58) (59) (60)3(X)=(61)(X+):2=(X4):,(62) X=,(63)2X46=80, (64)43X=, (65)4X=10,(66)+X=20, (67)12+15X=, (68)6X+5=17, (69)(+X)=,(70):=X:, (71), (72)(73), (74)4(+x)=,(75)+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

4、)=, (87)8(2X7)=5(X+13), (88)3(x+)=60, (89)+=, (90)3(x)=, (91)5x=, (92)x:= (93)+2x=,(94)x=15%,(95)xx=,(96)x+50%x=6, (97):x=: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)=, (109)43x=6, (110)=, (111)63=, (112)x=, (113)x=42, (114)x+=,(11

5、5)7x3=, (116)12:=x:, (117)3(x+2)=4(x+1), (118)3x70%x=, (119) 6+x=240,(120)=, (121)x:=4:2, (122)x6=16, (123):=x:8,(124), (125)x:15=:,(126)x+x=,(127)x50%x=5, (128)1x=, (129)+1x=3, (130)3x2=4,(131)3x=2, (132)3x=4, (133)x5%=,(134):=:(4x), (135) 6x+31=49, (136) 7x3=,(137) 9x=, (138) x=16,(139) 67+3x=69,

6、(140) 6x+2x56=0,(141) 3x4=, (142) =, (143) (9x)=3, (144) 3x=8, (145)5x+28=71, (146)=,(147)8x=, (148)4=, (149)542+3x=72, (150)8x=,(151)x=,(152)x+30%x=26, (153) 3x=, (154) 63=, (155)10:x=:, (156):=x:, (157)X=,(158)X=, (159)X(+)=, (160)x=, (161)=,(162)x80%x=48, (163)75%x5=6, (164)x=, (165)=,(166)y=, (1

7、67)5x+=,(168) x=, (169) 9x+5x=, (170) +=,(171)5x=, (172)x=,(173)3x=, (174)(1+25%)x=, (175)x40%x=9, (176)x20%=,(178)xx=, (179)x75%=3,(180)4x, (181):x=:, (182)(x)6=, (183)2717x=, (184)+3x=5,(185)2x+5=5x7, (186) 3(x2)=25(x2), (187)4x3(20x)+4=0, (188)=1,(189)4x56=12, (190)8x3x=, (191)30(x4)=60,(192)3x=,

8、 (193)5x5=8, (194)+x=2,(195)5x+15=66, (196)+=1, (197)16-8x=12, (198)=, (199)5(x+6)=75,(200)x+3=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) 82x= 202x=, +2X=20, 2X=, x=;(5) :x=3:5, 3x=5, 3x=, x=(6)120%x=, 120%x+20%x=+20%x, +20%x=1,+20%x=1, 20%x=, 20%

9、x=, 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=, x(2)=, x=, x=, x=1;(10)93=, 27=, 27+=+, +=27,+=27, =, =, x=8(11)x25%x=24, 75%x=24, 75%x75%=2475%, x=32;(12)x+=,x=,x+=+,x=,x=, x=1(13)+90%x=78, =78, =78, x=52; (14)20%x3=, 20%x=, 20%x+=+, 20%x20%=820%, x=40;(15)xx=42, x=4

10、2, x=42, x=252(16)+3=, +=, +=, =60, =60, x=100; (17)1(x)=5,(x)(x)=(x), x=,x+=+, x=4,x=4, x=(18)x=, x+=+, x=;(19):x=3:12, 3x=12, 3x3=93, x=3(20)x+=, x+=, x=, x=, x=8(21) :x=1:, x=, x= (22) x(2)=24, x=24, x=24, x=20;(23) 4x=3,4x+=3+, 4x=4, 4x4=44, x=1(24)12x+7=, 12x+=, 12x+=, 12x12=1812, x=;(25)x+x=,

11、x=, x, x=;(26)x:42=, 10x=42, 10x10=3010, x=3(27)+x=, +x=, +x=, x=3, x=3, x=6;(28):=:x, =, =, =, x=(29)=, x=, x=, x=3;(30)42:=:x=42,x=30, x=50;(31)5x=75%, 5x+=75%+, 5x5=5, x=( 32) 6x=, 6x+=+, 6x=, 6x6=6, x=;(33)2(x3)=,2(x3)2=2 x3=, x3+3=+3, x=;(34) =,=, x=4;(35) 4x39=29, 4x27=29, 4x27+27=29+27, 4x=56

12、, 4x4=564, x=14;(36)16+8x=40,16+8x16=4016, 8x=24, 8x8=248, x=3;(37) x=3,x=3, x=(38)+2x=,+2x=, 2x=, 2x2=2, x=;(39)37x=, 7x=, 7x=, 7x=0, 7x7=7, x=;(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)=, =72, =,=, x=;(44):=,x=5,x=6,x=6, x=9;(45)=:,x=18,x=,x=, x=12;

13、(46):=x:,x=,x=, x=;(47)x=+1, x=, x=1(48)125%X+25%x=+25%x,+=1, =, x=3;(49)=, =,=, x=8;(50)X=,X=, x=;(51) 5:8=x:32, 8x=532,8x8=5328, x=20(52)2x+3=, 2x+=, 2x+=, 2x2=2, x=;(53)=, =, =, x=;(54)(7)=,(7)=, 7=, 7+=+, 7=+, =, x=;(55)x:=:,x=,x=, x=(56)150%x+66=99 +66=99 =33 x=22(57)x+6=16 +6=16 =10 x=50(58) x

14、=(59) = x=10(60)3(X)=3(X)(x)=(x), 3=, 3+=+, =, =, x=;(61)(X+):2=(X4):,(x4)=(x+),x4=x+,x10x=x+x, 10+10=+10, =, x=(62) X=,X=, X=;(63)2X46=80, 2X24=80, 2X24+24=80+24, 2X=104, 2X2=1042, X=52;(64)43X=, 183X=, 183X+3X=+3X, +3X=18,+3X=18, 3X=, 3X3=3, X=;(65)4X=10,4X+=10+, 4X=, 4X4=4, X=;(66)+X=20, =20,=20,

15、 X=;(67)12+15X=, +15X=,+15X=, 15X=42, 15X15=4215, X=(68)6X+5=17, 6x+55=175, 6x6=126, x=2;(69)(+X)=,(+X)=, +x=7, +x=7, x=;(70):=X:, x=, x=, x=(71), , ;(72),;(73), , (74)4(+x)=,+4x=,+4x=, 4x=4, x=1;(75)+x=, +x=, +x=, x=, x=(76)x, , , x=;(77)200:6=x:, 6x=200, 6x6=4806, x=80(78)4X=, 4XX=X, X=4, X=4, X=1

16、0;(79)8(x2)=2(x+7), 8X16=2X+14, 6X16=14, 6X=30, X=5;(80):18%=, X=, X=, X=(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)=, =2, =,=, x=8(85)5(3x4)2(x1)=5(2x1) 15x202x+2=10x5, 13x18=10x5, 13x1810x=10x510x, 3x18=5, 3x18+18=5+18, 3x=13,

17、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+)=60, 3(x+)3=603, x+=20, x+=20, x=(89)+=, +=, =, =, x=;(90)3(x)=, 3x=, 3x+=+, 3x=, 3x3=3, x=;(91)5x=, 5x+5x=+5x, +5

18、x=, +5x=, 5x=, 5x5=5, x=(92)x:= 25x=3, 25x=, 25x25=, x=;(93)+2x=,+2x=, 2x=0, x=0;(94)x=15%,xx=15%x, =,=, x=1;(95)xx=,x=,x=, x=(96)x+50%x=6, =6, =6, x=4;(97):x=:12, =, =9, 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(

19、+)=,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)=, ()x=, =, =, x=3;(109)43x=6, 183x=6, 183x+3x=6+3x, 6+3x=18, 6+3x6=186, 3x=12, 3x3=123, x=4(110)=, =10, =8, x=;(11

20、1)63=, 18=, 18+=+, +=18, +=18, =, =, X=6(112)x=, x=, x=;(113)x=42, x=42, x=9;(114)x+=,x+=, x=, x=, x=(115)7x3=, 7x33=3, 7x=, 7x7=7, x=;(116)12:=x:, =12, =6, =6, x=10;(117)3(x+2)=4(x+1), 3x+6=4x+4, 3x+63x=4x+43x, x+4=6, x+44=64, x=2(118)3x70%x=, 3x=, =, =, x=4;(119) 6+x=240,6+x6=2406, x=234,x=234, x=

21、390(120)=, +=+, +=, +=, =10, x=25;(121)x:=4:2, 2x=4, 2x2=142, x=6(122)x6=16, 6=16, 6+6=16+6, =22, x=110;(123):=x:8,x=8,x=8, x=4;(124), =2, =, x=;(125)x:15=:,x=15,x6=156, x=40;(126)x+x=,x=,x=, x=;(127)x50%x=5, x=5, x6=56, x=30;(128)1x=, 1x+x=+x, +x=1, +x=1, x=, x=;(129)+1x=3, +1x=3, x=, x=, x=(130)3x2=4, 3x2+2=4+2, 3x=6, 3x3=63, x=;(131)3x=2, 3x+3x=2+3x, 3x+2=, 3x+22=2, 3x=6, 3x3=63, x=2;(132)3x=4, 3xx=4x, 4x=3, 4x4=34, x=(133)x5%=,解:x5%+5%=+5%,x=, x=23;(134):=:(4x), 解:4x=, 2x+x=x, 2+x, =x, x=3(135) 6x+31=49, 6x+3131=4931, 6x=18,

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