Question

Afla produsele apoi verifica folosind operatia inversa a)4×5 8×3 b)6×9 7×9 c) 8×4 9×5 d) 9×7 8×6

Answer 1

4×5=20

20:5=4

8×3=24

24:3=8

6×9=54

54:9=6

7×9=63

63:9=7

8×4=32

32:4=8

9×5=45

45:5=9

9×7=63

63:7=9

8×6=48

48:6=8

Answer 2

Răspuns:

Explicație pas cu pas:

a). 4x5=20  20:5=4

8x3=24 24:3=8

b). 6x9=54  54:9=6

7x9=63   63:9-7

c). 8x4=32  32:4=8

9x5=45  45:5=9

d). 9x7=63  63:7=9

8x6=48   48:6=8