Question

2 supra 5 din 129 si 3 supra 7 din 98​

Answer 1

Răspuns:

$\frac{2}{5} \times 129 = \frac{2 \times 129}{5} = \frac{258}{5} = 51.6 \\ \frac{3}{7} \times 98 = \frac{3 \times 98}{7} = \frac{294}{7} = 42$

Answer 2

2/5×129=258/5=51,6

3/7×98=3×14=42