Penjelasan dengan langkah-langkah:
1. 8⅔ x 125⅓
= 4 x 5
= 20
2. 3^-1 + 2^-1
= 1/3 + 1/2
= 2/6 + 3/6
= 5/6
3. √20: √5
=2√5 : √5
= 2
4. √18+2√32-√3×√6
= 3√2 + 8√2 – 3√2
= 8√2
5. √90: √5
= √18
= 3√2
Penjelasan dengan langkah-langkah:
1. 8⅔ x 125⅓
= 4 x 5
= 20
2. 3^-1 + 2^-1
= 1/3 + 1/2
= 2/6 + 3/6
= 5/6
3. √20: √5
=2√5 : √5
= 2
4. √18+2√32-√3×√6
= 3√2 + 8√2 – 3√2
= 8√2
5. √90: √5
= √18
= 3√2