80×(50-25)的简便运算?

2025-04-01 00:23:49
推荐回答(2个)
回答1:

80×(50-25)
=20×4×25
=20×(4×25)
=20×100
=2000

回答2:

=80×25
=20×4×25
=20×100
=2000