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°à¼¶ ÐÕÃû ³É¼¨ 2233X£­ X= 2X + = 70%X + 20%X = 3.6

7554

X¡Á35=20¡Á14

X£«38X£½121 5X

6X£«5 =13.4 X¡Â2=

7716

45 X - 15%X = 68

£­3¡Á

521£½57 34X?14?38 3X=X£«78X=34 23X¡Â14£½12 38 4X£­6¡Á23=2

25% + 10X =

123

¡ÂX= 3 X = 25 8 X =

1¡Á16

510 X¡Â 635=2645¡Á1325

3X£­21¡Á2103=4

6X£«5 =13.4

5X=1519

5729 4x£­3 ¡Á9 = 29 x?14x?20 25 X-13 X=3

10 821X=415 X65112x + 16x = 4

2(x?2.6)?8 4¦Ö£­6£½38

¡Â45=1528

2X¡Â1=12 34 3X=25 8X=1¡Á16

5729651 X¡Â626=¡Â13

X-0.25=1

X=30%

354525

4+0.7X=102

X-38X=400

X+37 X=18 0.375x=56

442X+1X=42 X+1324X=105 X-0.125X=8

36 =

3X4 X¡Á( 16 + 313

8 )=12 x£­

x¡Á2+1=4¡Á3 X£­3X£½12 5 X£­2.4¡Á5£½8

328

0.36¡Á5- 334 x = 5

x- 0.8x = 16+6 20 x

X£«25%X=90

0.8X£­4£½1.6 5X

721

3 (x- 4.5) = 7 2 x- 25%x = 10

¨C 8.5= 1.5 x- 4

5 x -4= 21 X£­37 X= 8

9

3.5X£«1.8£½12.3

¡Â2£½10 X£­0.25X£½3