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

Rhannu

18+4+3+2+5
Tynnu 2 o 20 i gael 18.
22+3+2+5
Adio 18 a 4 i gael 22.
25+2+5
Adio 22 a 3 i gael 25.
27+5
Adio 25 a 2 i gael 27.
32
Adio 27 a 5 i gael 32.