210÷(80-3x15)怎样简便就怎么计算?

怎么计算
2025-02-03 05:54:42
推荐回答(1个)
回答1:

210÷(80-3X15)
=210÷(80-45)
=210÷35
=210÷7÷5
=30÷5
=6