Question

Tính nhanh 

15×2+15×3-15×5+15×10

Answer 1

\(=15\times\left(2+3-5+10\right)\\ =15\times10\\ =150\)

Answer 2

\(15\times2+15\times3-15\times5+15\times10\)

\(=15\times(2+3-5+10)\)

\(=15\times10=150\)

Answer 3

15 x ( 2 + 3 - 5 + 10)

= 15 x 10

= 150

tk cho mk nhé

Answer 4

150

Answer 5

= 15 * (2 + 3 - 5 + 10)

=15 * 10

= 150