2.5×1.25×32有简便运算吗？如果有简便运算该怎么算？谢谢！

Question

如题所述

Answer 1

2.5*1.25*32
=2.5*1.25*4*8
=2.5*4*1.25*8
=10*10
=100

Answer 2

=2.5×1.25×8×4
=2.5×4×(1.25×8)
=10×10
=100