简便运算60×(2⼀3-1⼀12 +1⼀6)?

2025-06-26 12:25:26
推荐回答(1个)
回答1:

解:
60×(2/3-1/12 +1/6)
=60x2/3-60x1/12+60x1/6
=40-5+10
=45