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doua nr consecutive care au sumă egală cu 153

Răspuns :

x-1 numar
x+1-2 nr
x+x+1=153
2x+1=153
2x=153-1=152
x=152:2=76
x+1=76+1=77
R:76;77

Se procedeaza astfel:
x-1 numar
x+1-2 nr
x+x+1=153
2x+1=153
2x=153-1=152
x=152:2=76
x+1=76+1=77
R:76;77