Question

2. Add:
(i) 3mn, - 5mn, 8mn, - 4mn
(ii) t-8tz, 3tz - Z, Z-t
(ii) - 7mn + 5, 12mn + 2, 9mn - 8,- 2mn - 3
(iv) a + b - 3,5-a +3, a - b + 3
(v) 14x + 10y - 12xy - 13, 18 – 7x - 10y + 8xy, 4xy
(vi) 5m - 7n, 3n - 4m + 2, 2m - 3mn - 5
(vii) 4xạy, - 3xy?, -5xy2, 5x²y​

Answer 1

Answer:

I don't know the answer

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