26乘以二十点二减八点四减一点八用简便计算

2025-12-14 21:38:24
推荐回答(1个)
回答1:

26×(20.2-8.4-1.8)
=26×[20.2-(8.4+1.8)]
=26×(20.2-10.2)
=26×10
=260