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a÷b=8 rest 5
a+b=9
metoda figurativa


Răspuns :

a=8*b+5
8*b+5+b=9
9*b+5=9
9*b=4
b=4/9
a+4/9=9
a=77/9

Sper că te-am ajutat
...{ a /_ /_ /_ /_ /_ /_ /_ /_ /+5
9{
...{b /_ /

9 /_ / =9-5
/_ /=4/9
b=4/9

a=8×4/9+5=(32+45)/9=77/9