Răspuns :

Răspuns:

a) 84:4=21

P:21•4=84

63:3=21

P:21•3=63

b)85:2=42 rest 5

P: 42•2=85 ( daca nu ai invatat restul inseamna ca e gresita problema)

99:9=11

P:=11•9=99

c)90:6=15

P:15•6=90

78:5=15 rest 6

P:15•5= 78

d) 56:2=28

P:28•2=56

e)70:5=14

P:5•14=70

Alexandrumihai20085id

Răspuns:

a)84 : 4 = 21

63 : 3 = 21

V: 21 x 3 = 63

21 x 4 = 84

b)85 : 2= 42.5

99 : 9 =11

V: 11 x 9 = 99

42.5 x 2 = 85

c)90:6=15

78:5=15.6

V: 15 x 6 =90

15.6 x 5=78

d)97:8=12.125

56:2=28

V:12.125 x 8 = 97

28 x 2=56

e)83:7=11.8571428571

70:5=14

V:11.8571428571 x 7=83

14 x 5 = 70