35+68-42+35+65+26怎样简便计算?

2024-12-31 21:23:25
推荐回答(1个)
回答1:

35+68-42+35+65+26
=35+(68-42)+(35+65)+26
=35+26+100+26
=(35+100)+(26+26)
=135+52
=187