Jawab:63 kg
Penjelasan dengan langkah-langkah:
5/7 kali 87
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Jawab:63 kg
Penjelasan dengan langkah-langkah:
5/7 kali 87
berat Riko = perbandingan Riko
________________ × berat ayah
perbandingan ayah
= 5
_ × 89
7
= 445
_____ = 63,5
7