(1)36×64+36²
=36×(64+36)
=36×100
=3600
(2)(5×1/2)²-(4×1/2)²
=5²×(1/2)²-4²×(1/2)²
=(5²-4²)×(1/2)²
=(5+4)×(5-4)×(1/2)²
=9×1×(1/4)
=9/4
(1)36×64+36²
=36×(64+36)
=36×100
=3600
(2)(5×1/2)²-(4×1/2)²
=5²×(1/2)²-4²×(1/2)²
=(5²-4²)×(1/2)²
=(5+4)×(5-4)×(1/2)²
=9×1×(1/4)
=9/4