Question

Estee urgeeent va rooog!
a) -4+(-1)-(-2)-(-6)+(-4)
b)[-2•(-3)•(5)]
c)0,2+(-1,5)
d)-1,5+1,(5)-8supra3

Answer 1

a) -4+(-1)-(-2)-(-6)+(-4) = -4-1+2+6-4 = 8-8-1 = -1

b)[-2•(-3)•(5)] = 6 x 5 = 30

c)0,2+(-1,5) = 0,2-1,5 = -1,3

d)-1,5+1,(5)-8supra3 = -15/10 + 14/9 -8/3 = -⁹⁾3/2 +²⁾14/9 -⁶⁾8/3 =

= (-27+28-48)/18 = -47/18