Addition - The process of combining two or more numbers to find their total or sum., Subtraction - The process of taking one number away from another to find the difference., Sum - The result of adding two or more numbers., Difference - The result of subtracting one number from another., Equation - A mathematical statement that shows the equality of two expressions, often containing a symbol for an unknown number,

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม