Question

ex 1)Afla produsul numerelor , apoi verifica a)7x3 9x4 b)5x4 7x6 ex 2)Afla câturile nu erelor , apoi verifica a)24:3 28:7 b)21:3 24:6​

Answer 1

Răspuns:

7×3=21

21:3=7

9×4=36

36÷4=9

5×4=20

20:5=4

7×6=42

42:6=7

24:3=8

8×3=24

28:7=4

4×7=28

21:3=7

7×3=21

24:6=4

4×6=24

Answer 2

Răspuns:

a)7×3=21 V:21:3=7 9×4=36 V:36:4 b) 5×4=20 V:20:4=5

7×6=42 V:42:6=7 24:3=8 V:3×8=24 28:7=4 V:7×4=28 21:3=7 V:7×3=21 24:6=4

V:6×4=24