It is: 78+a simplified
It is 78 + a.
A3+b3
78 + 79 + 80 + 80 + 81 + 81 = 479
kutta
(a+b)3=a3+b3+3ab(a+b) a3+b3=(a+b)3-3ab(a+b) a3+b3=(a+b)(a2-ab+b2)
81*82/2= 3321
105 + 66 + 287 + 81 = 539
-81
81
The plus sign. + To add values in the cells A3 and B3 you would do the following: =A3+B3
a≠ 0,LCD = a33/a + 2/a2 - 1/a3= (3/a)(a2/a2) + (2/a2)(a/a) - 1/a3= 3a2/a3 + 2a/a3- 1/a3= (3a2 + 2a -1)/a3
-81 + 11 = -70
18 + 81 = 99