Today, Xinran's mother shares with you a daily practice of three liters and four mathematics summer vacation homework (oral arithmetic + vertical + off-type calculation practice + application problems, a total of 55 sets, which can be downloaded and printed at a fee).
Take advantage of the summer vacation to let your child practice. Space is limited, only the first few pages are displayed, and the full version is taken: follow first, and then nod to see the homepage at the top
