丨-2丨+﹙1/3﹚﹣¹×﹙π-√2﹚º-√9+﹙﹣1﹚²

问题描述:

丨-2丨+﹙1/3﹚﹣¹×﹙π-√2﹚º-√9+﹙﹣1﹚²

原式=2+3×1-3+1
=2+3-3+1
=3