26ᘧ࿾3.4+7.4ᘧ࿾34怎么简便方法?

2025-05-14 10:48:56
推荐回答(1个)
回答1:

26✖️3.4+7.4✖️34
=26x3.4+74x3.4
=(26+74)x3.4
=100x3.4
=340