4,50÷2,25+0,40-25% tolong dong dijawab pake caranya.diubah kebentuk persen.jangan asal

450% : 225% + 40 % - 25 % = 215 %

4,50:2,25+0,40-25%
=4,50/1:2,25/1+0,40/1-25/100
=450/100:225/100+40/100-25/100
=450/100x100/225+40/100-25/100
=101250/10000+40/100-25/100
=1012,5/100+40/100-25/100
=1052,5/100-25/100
=1077,5/100
=1077,5%