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a) Verificati formula: a : m + b : m = (a+b):m, unde m este numar natural nenul, pentru urmatorul exemplu, pentru:13167:231+93786:231.

b) Calculati in doua moduri: i) 1161:43+7439:43;
i) 1161:43+7439:43.


Răspuns :

a)13167:231+93786:231=(13167+93786):231=106953:231=463
b)mod 1 >>>1161:43+7439:43=27+173=200
mod 2>>>>1161:43+7439:43=(1161+7439):43=8600:43=200