Question

0.8x 0.8 x0.8 +0.5x0.5x0.5/
0.8 x 0.8 – 0.8x0.5 +0.5x0.5​

Answer 1

Step-by-step explanation:

a^3+b^3/a^2-ab+b^2

=(a+b)(a^2-ab+b^2)/a^2-ab+b^2

=a+b

a=.8. b=.5

a+b=.8+.5=1.3