初一解方程珍藏题
解方程
1、4(x-1)+2-2=2(4-x)-6 2、1-2(2x-5)=3(3-x)
3、(x-1)/3+1=(x+1)/2 4、4x-3(20-x)=6x-7(9-x) 5、5x-2=-7x+8 6、11x-3=2x+3
7、16=y/2+4 8、(4-3x)/7+(5x-3)/14=-(2x+3)/28+(5x-1)/11
9、mx-2=3x+n(m!=3) 10、3x-5=7x-11 11、2x+(5-3x)=15-(7-5x) 12、3/4x+2=3-1/4x 13、3/4-x=5/6-2/3x 14、2(x-2)-3(4x-1)=9(1-x) 15、2(x-3)-3(x-5)=7(x-1) 16、x-3/2[2/3(3/4-1)-2]=-2
17、x/3-1=x/2-2 18、x=(x+3)/2-(2-3x)/3
19、(2x-1)/3=1-(5x+2)/2 20、(2x-1)/3-(10x+1)/6=(2x+1)/4-1 21、3/2(x+1)-(x+1)/6=1 22、1/3(4y+5y)-1/2(3y-2)=2
23、-2(x-1)-4(x-2)=1 24、5(2x+1)-3(22x+11)=4(6x+3)
25、(x-1)/2-(2x-3)/6=(6-x)/3 26、2x-7+8x=10x-3-4x
27、1/3[x-1/2(x-1)]=2/3(x-1/2) 28、1/2[x/3-1/2(3/2x-1)]=x/12 29、1/3[2(2x+5)-3]+3/2(2x+5)=12 30、x/0.7-(0.17-0.2x)/0.03=1
31、(x+2)/4-(2x-3)/6=1 32、(2x-1)/5-(2x+1)/18=(1-x)/6-(1-6x)/15 33、1/2[x-1/2(x-1)]=2/3(x-1) 34、1/9{1/7[1/5((x+4)/3+2)+6]+8}
35、(0.1x-0.2)/0.02-(x-1)/0.5=3 36、-2(x-5)=8-x/2
37、(x-3)/2-(4x+1)/5=1 38、(x-3)/0.5-(x+4)/0.2=1.6
39、x-(7-8x)=3(x-2) 40、x-(x-1)/2=2-(x+2)/3
(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-8=30
(31)6x+6=12
(32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8 (43)8x+9=17 (44)9+6x=14 (45)x+9x=4+7 (46)2x+9=17 (47)8-4x=6 (48)6x-7=12 (49)7x-9=8 (50)x-56=1 (51)8-7x=1 (52)x-30=12
(53)6x-21=21
(54)6x-3=6 (55)9x=18 (56)4x-18=13 (57)5x+9=11 (58)6-2x=11 (59)x+4+8=23 (60)7x-12=8 (61)X-5.7=2.15 (62)15 5X-2X=18 (62)3X 0.7=5
(63)3.5×2= 4.2 x
(64)26×1.5= 2x
(65)0.5×16―16×0.2=4x
(66)9.25-X=0.403
(67)16.9÷X=0. 3
(68)X÷0.5=2.6
(69)x+13=33
(70)3 - 5x=80
(71)1.8- 6x=54
(72)6.7x -60.3=6.7
(73)9 +4x =40
(74)0.2x-0.4+0.5=3.7
(75)9.4x-0.4x=16.2
(76)12 -4x=20
(77)1/3 x+5/6 x=1.4
(78)12 x+34 x=1
(79)18x-14 x= 12
(80)23 x-5×14 = 14
(81)12 +34 x=56
(82)22-14 x= 12
(83)23 x-14 x= 14
(84)x+14 x= 65
(85)23 x=14 x +14
(86)30 x-12 x -14 x=1 5x-2x=30 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56
4x-x=48.6
初一解方程珍藏题
解方程
1、4(x-1)+2-2=2(4-x)-6 2、1-2(2x-5)=3(3-x)
3、(x-1)/3+1=(x+1)/2 4、4x-3(20-x)=6x-7(9-x) 5、5x-2=-7x+8 6、11x-3=2x+3
7、16=y/2+4 8、(4-3x)/7+(5x-3)/14=-(2x+3)/28+(5x-1)/11
9、mx-2=3x+n(m!=3) 10、3x-5=7x-11 11、2x+(5-3x)=15-(7-5x) 12、3/4x+2=3-1/4x 13、3/4-x=5/6-2/3x 14、2(x-2)-3(4x-1)=9(1-x) 15、2(x-3)-3(x-5)=7(x-1) 16、x-3/2[2/3(3/4-1)-2]=-2
17、x/3-1=x/2-2 18、x=(x+3)/2-(2-3x)/3
19、(2x-1)/3=1-(5x+2)/2 20、(2x-1)/3-(10x+1)/6=(2x+1)/4-1 21、3/2(x+1)-(x+1)/6=1 22、1/3(4y+5y)-1/2(3y-2)=2
23、-2(x-1)-4(x-2)=1 24、5(2x+1)-3(22x+11)=4(6x+3)
25、(x-1)/2-(2x-3)/6=(6-x)/3 26、2x-7+8x=10x-3-4x
27、1/3[x-1/2(x-1)]=2/3(x-1/2) 28、1/2[x/3-1/2(3/2x-1)]=x/12 29、1/3[2(2x+5)-3]+3/2(2x+5)=12 30、x/0.7-(0.17-0.2x)/0.03=1
31、(x+2)/4-(2x-3)/6=1 32、(2x-1)/5-(2x+1)/18=(1-x)/6-(1-6x)/15 33、1/2[x-1/2(x-1)]=2/3(x-1) 34、1/9{1/7[1/5((x+4)/3+2)+6]+8}
35、(0.1x-0.2)/0.02-(x-1)/0.5=3 36、-2(x-5)=8-x/2
37、(x-3)/2-(4x+1)/5=1 38、(x-3)/0.5-(x+4)/0.2=1.6
39、x-(7-8x)=3(x-2) 40、x-(x-1)/2=2-(x+2)/3
(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-8=30
(31)6x+6=12
(32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8 (43)8x+9=17 (44)9+6x=14 (45)x+9x=4+7 (46)2x+9=17 (47)8-4x=6 (48)6x-7=12 (49)7x-9=8 (50)x-56=1 (51)8-7x=1 (52)x-30=12
(53)6x-21=21
(54)6x-3=6 (55)9x=18 (56)4x-18=13 (57)5x+9=11 (58)6-2x=11 (59)x+4+8=23 (60)7x-12=8 (61)X-5.7=2.15 (62)15 5X-2X=18 (62)3X 0.7=5
(63)3.5×2= 4.2 x
(64)26×1.5= 2x
(65)0.5×16―16×0.2=4x
(66)9.25-X=0.403
(67)16.9÷X=0. 3
(68)X÷0.5=2.6
(69)x+13=33
(70)3 - 5x=80
(71)1.8- 6x=54
(72)6.7x -60.3=6.7
(73)9 +4x =40
(74)0.2x-0.4+0.5=3.7
(75)9.4x-0.4x=16.2
(76)12 -4x=20
(77)1/3 x+5/6 x=1.4
(78)12 x+34 x=1
(79)18x-14 x= 12
(80)23 x-5×14 = 14
(81)12 +34 x=56
(82)22-14 x= 12
(83)23 x-14 x= 14
(84)x+14 x= 65
(85)23 x=14 x +14
(86)30 x-12 x -14 x=1 5x-2x=30 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56
4x-x=48.6