Question

a) 7•8+7•(-3)
b) -10•4-(-10)•9
c) -3•1+(-3)•2+(-3)•(-13)
*dau coroana*

Answer 1

Răspuns:

a) 7•8+7•(-3) =56-21=35

b) -10•4-(-10)•9=-40+10•9=90+40=130

c) -3•1+(-3)•2+(-3)•(-13)=-3-6+39=-9+39=30

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