Question

Va rog primele doua exercitii urgent dau coroana!

Answer 1

prima:

0,1 = 1/10

2,1(3) = 213 - 21 /  90 => 192/90

1/5 * 37/6 = 37/30

1/10 + 192/90 - 37/30 = 90/90 =1

a doua:

[(5√2 - 9√2) * (-4√2)] * (1/√96)=

-4√2 * (-4√2) * (1/4√6) =

16√2 / 4√6 = 4√2/√6=4√3/3

sper ca le am facut bine si nu am gresit la ceva calcule