Question

Exercitiul 4 si 5
Rezolvarea va rog

Answer 1

4. a) 8×6=48;8×7=56;8×8=64;8×9=72;8×10=80

b) 9×6=54 9×7=63 9×8=72 9×9=81 9×10=90

c)8+6=14 8+7=15 8+8=16 8+9=17 8+10=18

5. (8×9)-8=72-8=64

(19-8)-8=9-8=1

(72:9):8=8:8=1