Mathematics, 23.06.2021 14:00 Lululove

1.Find the sum of: 72−104+5and -32+ 4-10. 2.What should be added to 32+32+3to get 3+3?
3.Subtract the sum of 12ab –10bc –18ac and 9ab +12bc + 14ac from the sum of ab + 2bc and 3bc –ac.
Pls give step by step explaination and fast

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1.Find the sum of: 72−104+5and -32+ 4-10. 2.What should be added to 32+32+3to get 3+3?
3.Subt...