2,2а+ 7,8а, при а =3,345

Question

2,2а+ 7,8а, при а =3,345

Answer 1

2,2*3,345+7,8*3,345=7,359+26,091=33,45

Answer 2

2,2*3.345+7,8*3.345= 13.38+26.091=39.471