1 1 per 2dikali 40persen dikurang 0,3 dikali 1 per 2

Kelas 5 Matematika
Bab Pecahan

1 1/2 x 40% - 0,3 x 1/2
= 3/2 x 2/5 - 3/10 x 1/2
= 6/10 - 3/20
= 12/20 - 3/20
= 9/20

kakak maaf slh yg betul...
3/2 × 2/5 = 3/5
3/10 × 1/2 = 3/20
3/5 - 3/20 = 9/20