450% : 1 3/9 x 2,80 adalah....

450% : 1 3/9 × 2,80
= 450/100 : 12/9 × 280/100
= 450/100 × 9/12 × 280/100
= 9/2 × 3/4 × 14/5
= 378/40 => pec.biasa
= 9 18/40
= 9 9/20 => pec.campuran
= 9,45 => pec.desimal

450/100 : 1 3/9 × 28/10 = 450/100 : 12/9 × 2,80 = 4,5 : 1,33 × 2,80 = 3,38 × 2,80 = 9,464

#maaf kak kalo ada kesalahan hitung