8.4十1.6x2.6用脱式计算能简便吗?

2025-06-29 05:40:42
推荐回答(1个)
回答1:

=10-1.6+1.6*2.6
=10+1.6(2.6-1)
=10+1.6*1.6
=10+1.6(2-0.4)
=10+3.2-0.64
=12.56