624-[(36 132)÷4 3]的简便计算?

2025-04-30 18:54:11
推荐回答(1个)
回答1:

624-[(36+132)÷4+3]
=624-[168÷4+3]
=624-[42+3]
=624-45
=624+21-45-21
=645-45-21
=600-21
=579