1 1/2+40%-0,3:1/9=pake cara ya

1 1/2 + 40% - 0,3 : 1/9 = 1 1/2 + 40/100 - 3/10 kali 9/1 = 1 1/2 + 2/5 - 27/10 = 1 5/10 + 4/10 - 27/10 = 19/10 - 27/10 = -8/10 = -4/5

semoga bermanfaat.....