5.6b+(5.6a-3.2b)-(3.5a-1.2b) упростите выражение

Question

5.6b+(5.6a-3.2b)-(3.5a-1.2b)
упростите выражение

Answer 1

5.6b+(5.6a-3.2b)-(3.5a-1.2b) =5.6b+5.6a-3.2b-3.5a+1.2b=3.6b+2.1a

Answer 2

5.6b+5.6a-3.2b-3.5a+1.2b= 3.6b+2,1а

Comments

5.6b + 5.6a - 3.2 b - 3.5a + 1.2b= 3.6b +2.1a

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ааа не успел !