Three-liter and four-month math summer vacation homework oral arithmetic practice every day, calculation practice every day (a total of 10,000 printables.)

Today, Xinran's mother will share with you the special exercises of the oral arithmetic of the three-liter and four-month mathematics summer vacation homework (a total of 10,000 questions, which can be downloaded and printed).

Take advantage of the summer vacation to let your child practice. Space is limited, only the first few pages are shown, and space is limited, only the first few pages are shown (Warm reminder: The full version is to take the first like, follow, and then Wei Xin swishs the public Hao Xinran mother database