1. 2 per 5 / 2.2 per 5 kali 2.1 per 8 + 2.1 per 7 =

Mapel : Matematika
Kelas : V SD
Bab : Pecahan

Pembahasan :
1(2/5) : 2(2/5) x 2(1/8) + 2(1/7)
= 7/5 x 5/12 x 17/8 + 15/7
= (7/12 x 17/8) + 15/7
= 2273/672

Bab Bilangan Pecahan
Matematika SD Kelas VI

1 2/5 : 2 2/5 x 2 1/8 + 2 1/7
= 7/5 : 12/5 x 17/8 + 15/7
= (7/5 x 5/12 x 17/8) + 15/7
= 119/96 + 15/7
= (119 x 7 + 15 x 96)/(96 x 7)
= (833 + 1.440) / 672
= 2.273/672
= 3  257/672