(8-0,2)х(7,2-5,7)+(5,4-3,65)х(4,3-2,7)=

Question

(8-0,2)х(7,2-5,7)+(5,4-3,65)х(4,3-2,7)=

Answer 1

(8-0,2)*(7,2-5,7)+(5,4-3,65)*(4,3-2,7)=7,8*1,5+1,75*1,6=11,7+2,8= 14,5