Question

DEFETUE 1/4+3+4=
1/3+2/5=
7/2.1/8=
3/2.1/8=
2, 421-1,300=
6,2.4,15=
3,1/2=

Answer 1

Resposta:

Explicação passo-a-passo:

1/3+2/5=

$\frac{5+6}{15}=\frac{11}{15}$ ou 0,73

7/2.1/8=

$\frac{7*1}{2*8} =\frac{7}{16}$ ou 0,4375

3/2.1/8=

$\frac{3*1}{8*2} = \frac{3}{16}$ ou 0,1875

2, 421-1,300=  1,121

6,2.4,15=  25,73

3,1/2= 1,55