48×49分之48 简便运算

2025-03-04 11:28:44
推荐回答(2个)
回答1:

48x(1-49分之1)=48-49分之48=47又49分之1

回答2:

48×48/49
=(49-1)×48/49
=49×48/49-1×48/49
=48-48/49
=47又1/49