Datrys ar gyfer x
x=7.23
Graff
Rhannu
Copïo i clipfwrdd
x+0.27=7.5
Adio -2.87 a 3.14 i gael 0.27.
x=7.5-0.27
Tynnu 0.27 o'r ddwy ochr.
x=7.23
Tynnu 0.27 o 7.5 i gael 7.23.
Enghreifftiau
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