720-720÷15x5简便计算?

2025-04-13 12:00:27
推荐回答(3个)
回答1:

720-720÷15×5
=720-720÷(15÷5)
=720-720÷3
=720-240
=480

回答2:

原式
=720-720÷(15÷5)
=720-720÷3
=720-240
=480

回答3:

720-720÷15x5简便计算?
720-720÷15x5
=720-72015
=720-720x1/3
=720x(1-1/3)
=720x2/3
=480