CBSE Class 7 - Addition and Subtraction of Algebraic Expressions Videos

• a(b-c)-b(c-a)-c(a-b)
• 10*x 10y + 20d - 2y
• subtract (a – b) from (a + b)
• find the sum -4x+4, 2x+9
• Subtract -m3 + 6m + 2mn from 3m3 – 3mn + 8m
• can you answer the questions
  
• formula of circumference
• (3pq-3q)(3q-7pq)
• 5x+3y+4x+5y
• Slove with solution  
  

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