Question

Exprima prin grame: 1 kg,4 kg,1supra2kg,1kg si 3 supra4 kg,3 kg si 1supra2 kg.
Va rog sa raspundeti!

Answer 1

1x1000=1000 g
4x1000=4000g
$\frac{1}{2} \times 1000 = 500g$
$1 \frac{3}{4} \times 1000 = \frac{7}{4} \times 1000 \\ = 7 \times 25 = 1750g$
$3 \frac{1}{2} \times 1000 = \frac{7}{2} \times 1000 = \\ 7 \times 500 = 3500g$