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

Rhannu

2+2+3+5+8
Adio 1 a 1 i gael 2.
4+3+5+8
Adio 2 a 2 i gael 4.
7+5+8
Adio 4 a 3 i gael 7.
12+8
Adio 7 a 5 i gael 12.
20
Adio 12 a 8 i gael 20.