Question

afla 2num.consecutive stiind ca suma lor este 109.rezolva ex.prin metoda figurativa

Answer 1

a= /_ /
b=/_ /+1
/_ /+/_ /+1=109
2/_ /=109-1
2/_ /=108
/_ /=108:2
/_ /=54
deci a=/_ /=54
iar b=/_ /+1=55
Verificare
a+b=109
54+55=109
109=109

Answer 2

a  l---------l 
b  l---------l+1l     acolada 109
109-1=108
108:2=54 a
54+1=55 b
verificare 
54+55=109