Question

Oblicz szybko prosze musze na 19 miec daje naj. -2,4*2/3-0,5*(-4/5) do potegi 2 i pod kreska na dole -0,8*5/8+(-1/2)=

Answer 1

-2,4 * 2/3 - 0,5 * (-4/5) = -8/5 - (-2/5) = -10/5 = 2
2 * 2 = 4
---------------------------------------------------------------------------------- = 4 : (-1) = (-4)
- 0,8 * 5/8 + (-1/2) = 4/5 * 5/8 + (-1/2) = -1/2 + (-1/2) = -1