(-1⼀42)÷(1⼀(6 )-3⼀14+2⼀3-2⼀7)

2025-03-07 01:06:29
推荐回答(1个)
回答1:

=(-1/42)÷(1/(6 )+2/3-(3/14+2/7))
=(-1/42)÷(1/(6 )+2/3-1/2)
=(-1/42)÷1/3
-1/14