9 per 25 + 0,9-45persen

9/25 + 0,9 - 45% =
9/25 + 9/10 - 45/100 = 36/100 + 90/100 - 45/100 = 81/100


Semoga membantu :)

9/25+0,9-45%
=9/25+9/10-45/100
=35/100+90/100-45/100
=81/100
Maaf kalo salah ya