Enrhifo
30\sqrt{5}\approx 67.082039325
Rhannu
Copïo i clipfwrdd
0.15\sqrt{325000-125000}
Adio 225000 a 100000 i gael 325000.
0.15\sqrt{200000}
Tynnu 125000 o 325000 i gael 200000.
0.15\times 200\sqrt{5}
Ffactora 200000=200^{2}\times 5. Ailysgrifennu ail isradd y lluoswm \sqrt{200^{2}\times 5} fel lluoswm ail israddau \sqrt{200^{2}}\sqrt{5}. Cymryd isradd 200^{2}.
30\sqrt{5}
Lluosi 0.15 a 200 i gael 30.
Enghreifftiau
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Terfynau
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