127x27-27x27-27怎么做？

Question

如题所述

Answer 1

解:127x27-27x27-27
=27x(127-27-1)
=27x(100-1)
=2700-27
=2700-(30-3)
=2700-30+3
=2670+3
=2673

Answer 2

(127-27)×27-(127-27)×27
=100×27-100×27
=2700-2700
=0

Answer 3

解：127X27-27X27-27
=27X（127-27）-27
=27X100-27
=2700-27
=2673