用简便方法计算19.6÷14+8.53

用简便方法计算19.6÷14+8.53
2025-02-27 08:27:40
推荐回答(2个)
回答1:


回答2:

14x1.4=19.6
19.6÷1.6+8.53
=14+8.53
=22.53