200-26.6-0.13-0.21怎么写简便计算?

2025-03-15 21:43:15
推荐回答(1个)
回答1:

200-26.6-0.13-0.21
=200-(26.6+0.13+0.21)
=200-(27-0.06)
=200-27+0.06
=173.06