英语翻译the are 7 stamps whose face value is 3 Jiao each and 4 stamps with the face value of 5 Jiao.how many different kinds of postages can be pald by then?(the postage should be more than zero).看在我辛辛苦苦打
网友回答
有7张面值均为3角和4张面值为5角的邮票.用它们可以有多少种支付邮费的方式?(邮费大于0)
======以下答案可供参考======
供参考答案1:
7谁的邮票票面价值3角每4个邮票的帐面价值5 Jiao.how许多不同种类的postages可以pald那时吗?(邮费应大于零)。