请解答下列问题:
结合家书内容,说说傅雷眼中“坚强”的含义是什么?
一 Who helped you clean the classroom yesterday?
— ________. I did it all by myself.
(1)计算:16﹣3×1-19273﹣-83;
(2)化简:(35﹣12)(45+23)﹣1024;
(3)解不等式组2-x>05x+12+1≥2x-13,并把解集在数轴上表示出来.