Question

Tính nhanh 

42 * 53 + 47 * 156 + 47 * 114

Answer 1

42 * 53 + 47 * 156 + 47 * 114=2226+7332+5358=14926

k cho mik nha!

Answer 2

\(42.53+47.156-47.144\)

\(=42.53+47.\left(156-114\right)\)

\(=42.53+47.42\)

\(=42.\left(53+47\right)\)

\(=42.100\)

\(=4200\)

Bạn sai đề rồi nhé !!!