(96-76)²+(25-7)² adalah

[tex] {20}^{2} + {18}^{2} = 400 + 324 = 724[/tex]

=
[tex] = {20}^{2} + {18}^{2} \\ = ( {10}^{2} \times {2}^{2} ) + ( {9}^{2} \times {2}^{2} ) \\ = (100 \times 4) + (81 \times 4) \\ = 400 + 324 \\ = 724[/tex]