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desfasurat
1)437-x+2,135=300,3
2)37,5+14,07-x=17,03
3)314-136,85+x=379

Răspuns :

AndreeaNC
3)314-136,85+x=379
177,15+x=379
x=379-177,15
x=201,85

2)37,5+14,07-x=17,03
51,57-x=17,03 
x-51,57-17,03
x=34,54

1)437-x+2,135=300,3
437-x=298,165
x=437-298,165
x=138,835
1)437-x+2,135=300,3
439,13-x=300,3
-x=300,3-439,13
-x= -138,83 I(-1)
x=138,83

2)37,5+14,07-x=17,03
51,57-x=17,03
-x=17,03-51,57
-x= -34,54 I(-1)
x=34,54

3)314-136,85+x=379
177,15+x=379
x=379-177,15
x=201,85

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