35 x 64-36 x 35-250
=35 x (64-36)-250
=35 x 28-250
=980-250
=730
35 x 64 - 36 x 35 - 250
= 35 x ( 64 - 36 ) - 250
= 35 x 28 - 250
= 980 - 250
= 730
35 x ( 64 - 36 ) - 250
= 35 x 28 - 250
= 980 -250
= 730
\(=35\times\left(64-26\right)-250=35\times28-250\)
\(=980-250=730\)