1.3十4.25十3.7十3.75用简便运算?

1.3十4.25十3.7十3.75用简便运算
2025-04-16 11:43:06
推荐回答(1个)
回答1:

简便计算
1.3十4.25十3.7十3.75
=(1.3+3.7)+(4.25+3.75)
=5+8
=13