Question

спростіть вираз 4,5n+12,4-2n-11/9n

Answer 1

4.5n+12.4-2n-12/9n= 45/10n+12.4-2/1n-4/3n=135/30n+12.4-60/30-40/30=35/30n+12.4=1 и 1/6+12.4