(6+3):3 ; 100:(5×8-6×5)

Răspuns :

(6+3)÷3=9÷3=3
100÷(5×8-6×5)=100 ÷(40 -30 )=100 ÷10 =10
(6+3):3=9:3=3.......100:(5×8-6×5)=100:(40-30)=100:10=10