Chapter 13 – Exponents and Powers
3.Subtract: (i) –5y^2 from y^2
09
Oct
3.Subtract: (i) –5y^2 from y^2 3.Subtract: (i) –5y^2 from y^2 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (x) x^2–y^2–1,y^2–1–x^2,1–x^2–y^2
09
Oct
2.Add: (x) x^2–y^2–1,y^2–1–x^2,1–x^2–y^2 1–x^2–y^2 2.Add: (x) x^2–y^2–1 y^2–1–x^2 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (viii) 3p^2q^2–4pq+5,–10p^2q^2,15+9pq+7p^2q^2
09
Oct
2.Add: (viii) 3p^2q^2–4pq+5,–10p^2q^2,15+9pq+7p^2q^2 –10p^2q^2 15+9pq+7p^2q^2 2.Add: (viii) 3p^2q^2–4pq+5 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (vi) 5m–7n,3n–4m+2,2m–3mn–5
09
Oct
2.Add: (vi) 5m–7n,3n–4m+2,2m–3mn–5 2.Add: (vi) 5m–7n 2m–3mn–5 3n–4m+2 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (v) 14x+10y–12xy–13,18–7x–10y+8xy,4xy
09
Oct
2.Add: (v) 14x+10y–12xy–13,18–7x–10y+8xy,4xy 18–7x–10y+8xy 2.Add: (v) 14x+10y–12xy–13 4xy October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (ix) ab–4a,4b–ab,4a–4b
09
Oct
2.Add: (ix) ab–4a,4b–ab,4a–4b 2.Add: (ix) ab–4a 4a–4b 4b–ab October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (iv) a+b–3,b–a+3,a–b+3
09
Oct
2.Add: (iv) a+b–3,b–a+3,a–b+3 2.Add: (iv) a+b–3 a–b+3 b–a+3 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (iii)–7mn+5,12mn+2,9mn–8,–2mn–3
09
Oct
2.Add: (iii)–7mn+5,12mn+2,9mn–8,–2mn–3 –2mn–3 12mn+2 2.Add: (iii)–7mn+5 9mn–8 October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (ii) t–8tz,3tz–z,z–t
09
Oct
2.Add: (ii) t–8tz,3tz–z,z–t 2.Add: (ii) t–8tz 3tz–z z–t October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Add: (i) 3mn,–5mn,8mn–4mn
09
Oct
2.Add: (i) 3mn,–5mn,8mn–4mn –5mn 2.Add: (i) 3mn 8mn–4mn October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,