3.A) Paolo models (-2) x(+3) in the diagram. He determines the correct product -6. Explain why this method works.
6.Write each expression as a multiplication.
A)(+7)+(+7)+(+7)=
(+7)x(+3)+
b)(-4)+(-4)+(-4)+(-4)=
(+4)x(-4)=
10.
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