Rhifau sgw芒r
Mae rhifau sgw芒r yn cael eu creu drwy luosi rhif ag ef ei hun.
Dyma鈥檙 pedwar rhif sgw芒r cyntaf:
\({1}\times{1} = {1}\)
\({2}\times{2} = {4}\)
\({3}\times{3} = {9}\)
\({4}\times{4} = {16}\)
Mae鈥檔 bosib cyfleu pob rhif sgw芒r fel sgw芒r o ddotiau.
Question
Ysgrifenna鈥檙 chwe rhif sgw芒r nesaf (o \({5}\) ymlaen).
\({5}\times{5} = {25}\)
\({6}\times{6} = {36},\) ayyb.
Felly dyma鈥檙 chwe rhif sgw芒r nesaf:
\({25},~{36},~{49},~{64},~{81}\) a \({100}\)