Question

423 x 18 + 423 × 16 - 423 :9=... Giúp e với cần rất ạ

Answer 1

\(423\times18+423\times16-423:9\\ =423\times18+423\times16-423\times\dfrac{1}{9}\\ =423\times\left(18+16-\dfrac{1}{9}\right)\\ =423\times\dfrac{350}{9}\\ =14335\)

Answer 2

423×18+423×16−423:9=423×18+423×16−423×19=423×(18+16−19)=423×3509=14335