Question

Sa se afle
a) 2/5 din: 40 kg: 25 l; 50 m
b) o jumătate din: 1 minut; 1 oră.
a) un sfert din: 400 t; 80 q: 12 g.​

Answer 1

a) 2/5x40=16kg

2/5x25=10l

2/5x50=20m

b)30s,30min

c)1/4x400=100t

1/4x80=20 q

1/4x12=3 g