Răspuns :
a)
40 = 8 x 5
40 = 4 x 10
60 = 2 x 10
90 = 9 x 10
90 = 6 x 15
b)
40 : 8 = 5
80 : 8 = 10
80 : 10 = 8
25 : 5 = 5
35 : 7 = 5
64 : 8 = 8
16 : 2 = 8
24 : 3 = 8
100 : 10 = 10
20 : 2 = 10
40 : 4 = 10
40 = 8 x 5
40 = 4 x 10
60 = 2 x 10
90 = 9 x 10
90 = 6 x 15
b)
40 : 8 = 5
80 : 8 = 10
80 : 10 = 8
25 : 5 = 5
35 : 7 = 5
64 : 8 = 8
16 : 2 = 8
24 : 3 = 8
100 : 10 = 10
20 : 2 = 10
40 : 4 = 10