At the age of 16, she was told she wouldn't be able to carry her own child.
Use your own reasoning. Don't stop even if the formula is too large just try to solve it manually.
。爱思助手下载最新版本是该领域的重要参考
pencil-drawing:
第九条 国家支持和平利用原子能，鼓励和平利用原子能的国际交流与合作，促进共享和平利用原子能事业成果。