Question

3/25 + 2/5 =
3/4 + 4/5 - 3/10

Answer 1

Resposta:

OkO+7/0=/0/8owiwjew j Omã assim,od,os café

Answer 2

Resposta:

$>\frac{3}{25} +\frac{2}{5} \\\\=\frac{3}{25}+\frac{10}{25} \\\\=\frac{3+10}{25} \\\\=\frac{13}{25}$

__________

$>\frac{3}{4} +\frac{4}{5} -\frac{3}{10} \\\\=\frac{15}{20} +\frac{16}{20} -\frac{6}{20} \\\\=\frac{15+16-3}{20} \\\\=\frac{25}{20} \\\\=\frac{5}{4}$