(-1⼀42)除以(1⼀6-3⼀14+2⼀3-2⼀7)

2024-11-09 15:19:13
推荐回答(3个)
回答1:

(-1/42)÷(1/6+2/3-3/143-2/7)
=(-1/42)÷(5/6-3/14-2/7)
=(-1/42)÷[5/6-(3/14+2/7)
=(-1/42)÷[5/6-1/2]
=(-1/42)÷1/3
=(-1/42)×3
=-1/14

回答2:

(-1/42)除以(1/6-3/14+2/3-2/7)
=-1÷(1/6×42-3/14×42+2/3×42-2/7×42)
=-1÷(7-9+28-12)
=-1/14

回答3:

负的十四分之一