丁丁有15张邮票,小丽有9张邮票,俩人共有多少张邮票?/U;J4m-O(]4x(d9y9T
算式:提示5l,V7C8W/U;J4m-O(]4x(d9y9T
答:俩人共有-E3E'x4N/V0X张邮票。/U;J4m-O(]4x(d9y9T