Datrys ar gyfer x
x=\frac{662}{981}\approx 0.674821611
Graff
Rhannu
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\frac{662}{981}=x
Rhannu’r ddwy ochr â 981.
x=\frac{662}{981}
Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.
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