Question

Giúp e câu d ạ

Answer 1

\(80-\left[130-\left(12-4\right)^2\right]=80-\left(130-8^2\right)=80-\left(130-64\right)=80-66=14\)

Answer 2

d) \(2^2.3-\left(10^0+8\right):3^2=4.3-\left(1+8\right):9=12-9:9=12-1=11\)

Answer 3

d) \(4.\left\{22+\left[15^2-\left(11+48:3\right)\right]\right\}=4.\left\{22+\left[225-\left(11+16\right)\right]\right\}=4.\left[22+\left(225-27\right)\right]=4.\left(22+198\right)=4.220=880\)