Neidio i'r prif gynnwys
Enrhifo
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Ffactor
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Problemau tebyg o chwiliad gwe

Rhannu

-16-3+12+13+14
Tynnu 10 o -6 i gael -16.
-19+12+13+14
Tynnu 3 o -16 i gael -19.
-7+13+14
Adio -19 a 12 i gael -7.
6+14
Adio -7 a 13 i gael 6.
20
Adio 6 a 14 i gael 20.