Giải phương trình

1.X :28584 +1729 = 1735

2.X x 74 +57 x X =32604

3. 17856 :(205 - X) =48

4.Y :28=467 (DƯ 15)

5.668 x a - 66 x 45 =6680

6.X : 48 : 25 = 374

7.134260 :X = 1320:54

8.(2043 - X) x 84=132552

9.4768+85 x X =25763

10.43575 -75 x X=4275

11. 3257+ 25286 : X =3304

12. 3132 - 19832 :X=3058

13. 327 x (126+X)=67035

14.10208 : (108 +X)=58

15.4057 +(X : 38) =20395

16. 21683 - (X : 47)=4857

17.7649 + X x 54 = 33137

18.35320 - X x 72 =13072

20. 75 x (X +157)=24450

21.14700 : (X+47)=84

22.12925:X + 3247 = 3522

23. 17658: X - 178 = 149

24.X:125 x 64=4608

25.X:48 :25=374

26. X x 124+ 5276=48304

28.X x 45 - 3209 = 13036 

29. 1200 : 24 - (17-x)=36

30.9 x ( x +5)=729

31.55 x Y +46 x Y - Y =3600

32. 285 x Y+Y x 115 =800

33.723 x X - 224 x X = 1000

34. X x 16 +54 x X =700

35. x/12=156/504

36.50/75 = x-12/81

37. yx7x8/12x56 = 3/4

38.9/24=a/56

39.94 : X=47/105

40.Y:84=106/84

41.678 x 91-678 x a=6780

42.75/x=5/3

43.3/x=x/27

44.Y x (233+327)=327x99+99x233