Tolong bantu yang no :7 , 8 ,2 tolong skrg ya bantu nya bsk mau di kumpul

2. (A+B) : C x D = 49+47 = 96 : (-12) = -8 x 5 = -40
7. (6^3 + 3^3) - (7^3- 4^3) = (216 + 27) - (343 - 64) = 243 - 279 = -36
8. 5 x (8 + 7) = 5 x 15 = 75