Question

Culegere ex. 235 pag. 43 ​

Answer 1

Răspuns:

( 10 × 3 ) + ( 10 × 3 ) + ( 10 × 3 ) = 90

30 + 30 + 30 = 90

( 10 × 4 ) + ( 10 × 3 ) + ( 10 × 2 ) = 90

40 + 30 + 20 = 90

( 10 × 3 ) + ( 10 × 5 ) + ( 10 × 1 ) = 90

30 + 50 + 10 = 90

( 10 × 6 ) + ( 10 × 2) + ( 10 × 1 ) = 90

60 + 20 + 10 = 90