Question

A) - 2 . {[-3 . (-2 - 5 . 3 + 4) - 2)}


B) -51 + 3 . {15 - [6 . (-3 + 8) - 7 . 5]}

Answer 1

R (a) -2.{[-3.(-7.7)-2)}

-2. {[-3.-49-2)}

-2. {[-147-2)}

-2.-145

= -290

B)-51+3. {15-[6.5-7.5]}

-51+3. {15 [30-35]}

-51+3. {15-5]}

-51+3.10

-48.10

-480