РАСКРОЙТЕ СКОБКИ:(4X+5Y)*(-0,5),-2/5*(5A+1/2B)

Question

РАСКРОЙТЕ СКОБКИ:(4X+5Y)*(-0,5),-2/5*(5A+1/2B)

Comments

(4x+5y)*(-0,5)=-2x-2,5y

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-2/5*(5a+1/2b)=2a+1/5b

Answer 1

1. -2x-2.5y
2. -2a-0,2b