Enrhifo
15000\sqrt{5}\approx 33541.019662497
Rhannu
Copïo i clipfwrdd
75\sqrt{400000-200000}
Adio 300000 a 100000 i gael 400000.
75\sqrt{200000}
Tynnu 200000 o 400000 i gael 200000.
75\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}.
15000\sqrt{5}
Lluosi 75 a 200 i gael 15000.
Enghreifftiau
Hafaliad cwadratig
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Terfynau
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