(5'12-4'21)+(6'23-4'32)+(7'34-4'43)+(6'45-2'54)+(5'56-0'65)

Question

(5'12-4'21)+(6'23-4'32)+(7'34-4'43)+(6'45-2'54)+(5'56-0'65)

Answer 1

5.12+6.23+7.34+6.45+5.56равно30,7
4,21+4,32+4,43+2,54+0,65равно16,15
30,7-16,15равно14,55