Răspuns :
Răspuns:
a)3x1,4=4,2cm ;5x0,36=1,80cm
4,2+1,80=6cm
c)1,2km=12hm 12x4=48hm
0,3(54)dam=3,54hm 3,54x11= 38,54hm
48-38,54=9,46hm
e)106x4=424dam 424dam=4,24km
18x6=108hm 108hm=10,8km
10,8-4,24=6,56km
Explicație pas cu pas:
Răspuns:
a)3x1,4=4,2cm ;5x0,36=1,80cm
4,2+1,80=6cm
c)1,2km=12hm 12x4=48hm
0,3(54)dam=3,54hm 3,54x11= 38,54hm
48-38,54=9,46hm
e)106x4=424dam 424dam=4,24km
18x6=108hm 108hm=10,8km
10,8-4,24=6,56km
Explicație pas cu pas: