(9+3la puterea200:3la puterea 148+ 3 la puterea95:3la puterea93):3³= b)(125+5la puterea46:5la putetea43+3•5³)•5²= c) (49+7la puterea57:7la puterea55):7. d)(3• 2²+2²¹:2la puterea17):2la puterea5. = e) (36+6la puterea 69+4•6²):6²=