1又2分之1÷4分之3×(-0.2)×1又4分之3÷1.4×{-5分之3} 怎么做

2024-12-27 02:53:10
推荐回答(1个)
回答1:

1又2分之1÷4分之3×(-0.2)×1又4分之3÷1.4×{-5分之3}
=3/2×4/3×1/5×7/4×5/7×3/5
=1/2×1/5×3/4
=3/40