Question

13a+12в при а =4.3,в=5.2

Answer 1

(13*4.3)+(12*5.2)=55.9+62.4=118.3

Answer 2

5(3x-5)-6

Answer 3

как

Answer 4

13a+12b=13·4,3+12·5,2=55,9+62,4=118,3.