Question

Să se calculeze:a) 2,5 2 – 1,2 3 + 0,3 2 =
b) 14,3 2 – 1,6 2 – 0,5 3 =c) 32,4 2 – 12,5 2 – 0,1 3 =

Answer 1

Răspuns:

a)2,52-1,23+0,32=1,61

b)14,32-1,62-0,53=12,17

c)32,42-12,52-0,13=19,49

Answer 2

Răspuns:

a)2,52-1,23+0,32=1,29+0,32=1,61

b)14,32-1,62-0,53=12,7-0,53=12,17

c)32,42-12,52-0,13=19,9-0,13=19,77