Question

Calculează apoi verifică prun probă a)9×7 6×7 3×8 b) 30:3 28:7 72:9​

Answer 1

a)9x7=63

P:63:7=9

6x7=42

P:42:7=6

3x8=24

P:24:3=8

b)30:3=10

P:10x3=30

28:7=4

P:4x7=28

72:9=8

P:8x9=72