1、解方程练习题 姓 名X X= 2X + = 3/4X + 1/5X = 3.627 4325 35X =20 1/4 + 10X = X 3/20X = 685341 54X X121 5X3 X 1283 215732416X5/7-3/7 =8 3-X= ：3/48341X83X： = X= 2 X +6 =4X721687433：X= X = ： = X： 125 310 537298615X： = ： 3/232-4x= 29 x = 4- x356421 216X21 =4 1032 2041x 8)6.2(x6X5 =13.4 X- X= 463825 13 3105X= :X=
2、X =1952185454281X =12 = :X X= 3241725398615: =X: X-0.25= =3/10 4526135414X4+0.7X=102 X+ X=42 X=105- X321 41X- X=400 X-0.125X=8 = 83 X364X+ X=18 X( + )= x0.375x= 37 16 38 1312 65x + =4 X 73X12 5 X2.45832180.365- x = (x- 4.5) = 7 x- 25%x = 1034 35 23 12x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 45X1/4X=90 X X= 7/12:X=5/8:6/737 89X X121 5X3 X 1283 21573241
