[2-(1又2⼀3-1.5)⼀1又5⼀12]×6又3⼀8【过程】

2024-12-26 17:14:44
推荐回答(1个)
回答1:

[2-(1又2/3-1.5)/1又5/12]×6又3/8
=[2-1/6x12/17]x51/8
=[2-2/17]x51/8
=32/17x51/8
=12