Răspuns :
Explicație pas cu pas:
a)7×8=56
56:8=7
56:7=8
3×9=27
27:9=3
27:3=9
5×4=20
20:4=5
20:5=4
b)4×9=36
36:9=4
36:4=9
6×5=30
30:5=6
30:6=5
7×7=49
49:7=7
c)8×6=48
48:6=8
48:8=6
9×7=63
63:7=9
63:9=7
9×8=72
72:8=9
72:9=8
Răspuns:
a) 7×8=56
56:7=8
3×9=27
27:3=9
5×4=20
20:5=4
b) 4×9=36
36:4=9
6×5=30
30:6=5
7×7=49
49:7=7
c) 8×6=48
48:8=6
9×7=63
63:9=7
9×8=72
72:9=8