529  1/3√2  բ․ 1/4√3  գ․ 1/9√40  դ․ 1/5√72

530 ․ 7/9  բ․ 8/10  գ․ 4/3  դ․ 3/2  ե․ 13/29

536

√72/4, √27, √30, √32, √50,

Բ․ √2.43, √3, √19.2, √1.3/3