用递等式计算;5分之3+4分之1÷(3分之2-2分之3×3分之1)

2024-11-27 06:13:18
推荐回答(1个)
回答1:

=3/5+1/4/(2/3-1/2)
=3/5+(1/4)/(1/6)
=3/5+3/2
=21/10