Răspuns:
1.)
16:4=4
42:7=6
65:7=nc
30:5=6
22:4= nc
90:10=9
27:13=nc
72:9=8
6:0=nc
2.)div 5=1,5
div 33 = 1, 3, 11, 33
div 16 = 1,2,4,8,16
div 42= 1,2,3,6,18,21,42
div 23= 1,23
div 63= 1,3,7,9, 21, 63
div 27= 1,3,9,27
div 64= 1,2,4,6,32,64
div 28= 1,2,4,14,28
div 80=1,2,4,8,10,20,40,80
3.)
a. m4=24,28,32,36,40....72,76(din 4 in 4 de la 24 la 76)
m6=24,30,36,42,48,54,60,66,72
m9=27,36,45,54,63,72
b. m 7= 21,28,35.....91(din 7 in sapte de la 22 la 91)
m 15 = 30, 45, 60, 75, 90
m 29 = 29, 58, 87
Spor la lucru! Hai o coroana am muncit ceva :)
