Jawaban:
18.a
19.a
20.b
Penjelasan dengan langkah-langkah:
18. 7×9×20=1260
19. 18×18×17=5508
20. V balok=12×6×6=432
V kubus=6×6×6=216
=432+216=648
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Jawaban:
18.a
19.a
20.b
Penjelasan dengan langkah-langkah:
18. 7×9×20=1260
19. 18×18×17=5508
20. V balok=12×6×6=432
V kubus=6×6×6=216
=432+216=648