Question

Answer 1

a: =4*3-4=12-4=8

b: =1024*7-18=7150

c: ={45+[25-5]}*2

=65*2=130

d: =16(82+18)=16*100=1600

Answer 2

a) \(2^2\cdot3-4=4\cdot3-4=12-4=8\)

b) \(4^5\cdot7+18=1024\cdot7+18=7168+18=7186\)

c) \(\left\{45+\left[25\cdot\left(2^2+1\right)\right]\right\}\cdot2\)

\(=2\left\{45+\left[25\cdot5\right]\right\}\)

\(=2\cdot170\)

\(=340\)

d) \(4^2\cdot18+4^2\cdot82=4^2\left(18+82\right)=16\cdot100=1600\)