1÷(1⼀6-1⼀3)×(-1⼀2)눀 -1눀-(1-1⼀2)÷3×(-7)

2025-02-23 05:08:41
推荐回答(1个)
回答1:

原式=1/(-1/6)×1/4=-6×1/4=-3/2 原式=-1-(1/2×1/3×(-7))=-1+7/6=1/6