Question

Determinati cifrele a si b daca a,b barat +9,61=12,31;b)a,b barat -2,37=3,73;c)a,b barat ×1,69=(1,3)³;d)(a,b barat )²×0,5=0,125 pls dau coroana pls

Answer 1

a)ab+9,61=12,31 => ab=12,31-9,61=2,7
b)ab-2,37=3,73 => ab=3,73+2,37=6,1
c)ab*1,69=(1,3)'3 => ab*1,69=2,19 => ab=1,2
d) (ab)'2*0,5=0,125 => (ab)'2=0,125/0,5=0,25