Question

а2+ав-7а-7в при а=6,6,в=0,4

Answer 1

6.6*2+6.6*0.4-7*6.6-7*0.4= 13.2 + 2.64 - 46.2 - 2.8=-33.16

Answer 2

=6,6^2+6,6*0,4-7*6,6-7*0,4=43,56+2,64-44,2-2,8=-0,8