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a)x+29,3=48,15 b)x-31,1=17,2 c)8,15x=46,129 d)x/15,634=18,291

Răspuns :

a)x+29,3=48,15
   x= 48,15 -29,3 
   x = 18,85

b)x-31,1=17,2
    x = 17,2 + 31,1
    x = 48,3
 
c)8,15x=46,129
    x= 46,129 : 8,15 
    x = 5,66

d)x:15,634=18,291
   x = 18,291 x 15,634 
   x = 285,961494