12÷(-3-4分之1加1又3分之1)等于多少?要过程

2025-04-12 20:21:45
推荐回答(1个)
回答(1):

12÷(-3-4分之1加1又3分之1)
=12÷(-3-1/4+4/3)
=12÷(-36/12-3/12+16/12)
=12÷(-23/12)
=-144/23