4) 3 2/7 (tiga dua pertujuh bilangan campuran)+20%-5/12 (lima perdua belas) =
#mohonpakaicaray
Jawaban Terkonfirmasi
3 2/7 + 20 % – 5/12 = 23/7 +1/5 – 5/12
= (1380+ 84 -175) / 420
= 1289/420
= 3 29/420
Jawaban Terkonfirmasi
= 3 2/7 + 20% – 5/12
= 3 2/7 + 2/10 – 5/12
= 3 120/420 + 84/420 – 175/420
= 3 29/420