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va rog ajutati-ma !!

3 ore + 45 min= ? min
6000kg+400q=? t
5l+ 2x5 dl+4x25cl=?ml
5 700mm-5x12cm=? dm


Răspuns :

3 * 60 = 180 min
180 + 45 = 225 min
600 kg = 6 t
400 q = 4 t
6 + 4 = 10 t
5 l = 5000 ml
5 dl = 500 ml
25 cl = 250 ml
5000 + 2 * 500 + 4 * 250 = 7 000 ml
5 700 mm = 57 dm
12 cm = 1,2 dm
57 - 5 * 1,2 = 57 - 6 = 51 dm