Question

计算：(?1)3?|?2|+8×(4?π)0+(13)?1+2sin45°

计算：(?1)3?|?2|+8×(4?π)0+(13)?1+2sin45°．

Answer 1

原祥租式谨碰兆吵渗=-1-2+2

2

×1+3+2×

2

2

=-1-2+2

2

+3+

2

=3

2

．