Question

Tính nhanh

71.64-32.-7)-32.(-11)

Answer 1

\(=71.2.32-32\left(-7\right)-32\left(-11\right)\)

\(=142.32+32.7+32.11\)

\(=32\left(142+7+11\right)\)

\(=32.160=5120\)

CHÚC BẠN HỌC TỐT..........

Answer 2

\(71\cdot64-32\cdot\left(-7\right)-32\cdot\left(-11\right)\\ =71\cdot2\cdot32-32\cdot\left(-7\right)-32\cdot\left(-11\right)\\ =32\left[142-\left(-7\right)-\left(-11\right)\right]\\ =32\cdot160\\ =5120\)