在括号里填上适当的质数.①8=______+______②12=______+______+______③15=______+______④18=______+______+______⑤24=______+______=______+______=______+______.-数学
题文
在括号里填上适当的质数. ①8=______+______ ②12=______+______+______ ③15=______+______ ④18=______+______+______ ⑤24=______+______=______+______=______+______. |