Question

tính nhanh 215 x 94 + 215 x 5 +215 các bạn ghi đầy đủ nhé

Answer 1

\(215\times94+215\times5+215\)
\(=215\times\left(94+5+1\right)\)
\(=215\times100\)
\(=21500\)

Answer 2

215 × 94 + 215 × 5 + 215

= 215 × ( 94 + 5 + 1 )

= 215 × 100

= 21500

Answer 3