Question

repede matematica cl a 5 a ex 1​

Answer 1

$\frac{3}{7} = 0.42.... \\ 0.42.. \times 70 = 30 \\ 70 - 30 = 40$

primul nr 30

al doilea nr 40

Answer 2

Hey! ^•^

a+b=70

b= 3/7 din a

a=? b=?

b= 3/7 din 70

b=10×3

b=30

a=70-30

a=40

Succes!