👤

(+3ab-5ab+2ab)+(-9ab-10ab+7ab)​

Resposta :

-12ab

(+3ab-5ab+2ab)+(-9ab-10ab+7ab)

3ab-5ab+2ab-9ab-10ab+7ab

-24ab+12ab

-12ab

Boa tarde!!!!

03/06/22

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