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ex incercuite va ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Ex Incercuite Va ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG class=

Răspuns :

Ex 1
b)x+579= 779,501
   x=779,501-579
   x=200,501

e)4x-18,94=3x+18,94
   4x-3x=0,349+18,94
    x=19,282

f)3x-3,84+2x=2x-1,235+x
   3x-3,84=1,235+x
   3x-x=-1,235+3,84
   2x-x=2,605
   x=1,3025

Ex 2          7
c)3,920:x=--
                 2
d)7,12x=1,068
   x=0,15
e)14,15x=174,045
    x=12,3
f)0,13=0,0156
  x=0,12