4m-6m-3m+7+m -8(k-3)+4(k-2)-2(3k+1) 5/9(3,6а-3 3/5b)-3,5(4/7a-0,2b) Упростить

Question

4m-6m-3m+7+m
-8(k-3)+4(k-2)-2(3k+1)
5/9(3,6а-3 3/5b)-3,5(4/7a-0,2b)
Упростить

Answer 1

4m-6m-3m+7+m=(4-6-3+1)m+7=-4m+7
-8(k-3)+4(k-2)-2(3k+1)=-8k+24+4k-8-6k-2=(-8+4-6)k+(24-8-2)=-10k+14
5/9(3,6а-3 3/5b)-3,5(4/7a-0,2b)=

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