Question

B= -11,2 + 1,456.25/7 - 9/2.40%

Answer 1

\(B=-11,2+1,456.\frac{25}{7}-\frac{9}{2}.40\%=-7,8\)

Tích cho mk nha!

Answer 2

-11,2 + 1,456 . 25/7 - 9/2 . 40%

= -11,2 + 26/5 - 9/2 . 4/10

= -11,2 + 26/5 - 9/5

= -6 - 9/5

= 39/5 = 7,8