Penjelasan dengan langkah-langkah:
luas lantai
= 5 × 5
= 25 m²
= 250.000 cm²
luas ubin
= 20 × 20
= 400 cm²
banyak ubin
= 250.000 ÷ 400
= 625 ubin
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Penjelasan dengan langkah-langkah:
luas lantai
= 5 × 5
= 25 m²
= 250.000 cm²
luas ubin
= 20 × 20
= 400 cm²
banyak ubin
= 250.000 ÷ 400
= 625 ubin