Question

then whzt is the value of 7+2+5

Answer 1

hello..
We use the formula;
(axb) = (7×2) = 14;
(axc) = (7*5) = 35;
(a*b)+(a*c)-b = (7×2)+(7×5)-2 = 14 + 35 – 2 = 47

Hence 7 + 2 + 5 = 143547

Answer 2

14. is it ......the ns