2.83а-0.03+(4.95а+0.17а)=? 9.23е-(-34.11е-5.12-3.12е)=?...

Question

2.83а-0.03+(4.95а+0.17а)=?
9.23е-(-34.11е-5.12-3.12е)=?
(6.32f-5.99k-k)+(3.16f+3.89k)*(-2)=?
Помогите решить в цепочку!

Answer 1

 2.83а-0.03+(4.95а+0.17а)=2.83а-0.03+5,12а=7,95а-0,03

9.23е-(-34.11е-5.12-3.12е)=9.23е-(-37,23-5.12)=9.23е+37,23+5.12=46,46е+5,12

(6.32f-5.99k-k)+(3.16f+3.89k)*(-2)=(6.32f-4.99k)-(3.16f+3.89k)*2=
=6.32f-4.99k-6,32f-7,78k=-12,77к