國小三年級數學基本計算練習(3 grade math)

Hello everyone:
I finally wrote the third grade math~


This time the content includes:
Addition, subtraction, multiplication and division exercises, addition and subtraction of fractions, addition and subtraction of decimals, unit conversion, application problems, rounds and corners, perimeter...exercises
The topics are very basic, I hope everyone can lay a solid foundation



If you have any suggestions for the content of the APP, or have errors that need to be corrected, please leave a message or write an email to tell me
My mailbox: samuraikyo37@gmail.com

Thank you for your support