5. Calculează:
a) 31+ 43 kg =
kg
28 kg +13.000 g =
7t+4q=kge
63 hg+18 kg =L
hg
c) 47 g +6 dg =
dg
426 g +3 cg=
mg
mg
15 dg+17 mg =
21 dg - 30 cg=
36 000 kg + 170 t =
18 000 hg + 2q =
d) 76 000 mg - 140 dg
800 cg+16 mg =
869 dg - 260 mg = [
mg 100 psb1 600 g + 13 dag
kg
b) 36 000 kg + 5 t =
4 300q+3t=[
t
١٩
19
19
=
mg
mg
=
d
164
​