弟弟今年8岁，圆圆比他大7岁，圆圆今年几岁？8k*{1e9r2O'^*^3u3J
算式：提示/Y'U3F7C8|6Z5{1B9T4M8k*{1e9r2O'^*^3u3J
答：圆圆今年7d5U4`/y;Z;L8C-W0F,V9L'v岁。8k*{1e9r2O'^*^3u3J