Question

Calcule: A) 2+ 1/5 B) 5/10 + 4 + 1/10

Answer 1

Explicação passo-a-passo:

A) 2+ 1/5 =10/5+1/5=(10+1)/5=11/5

B)

5/10+4 + 1/10=4+6/10=46/10

=(46÷2)/(10÷2)=23/5

Answer 2

a)

2/1 + 1/5

(10 + 1)/5

11/5

b)

5/10 + 4 + 1/10

5/10 + 1/10 + 4

(simplifica por 2) 6/10 + 4

3/5 + 4/1

(3 + 20)/5

23/5