関連ワード:  prove that 2 is an irrational number class 10    prove that √ 2 is an irrational number class 10    prove that root 2 is an irrational number class 10    prove that 2 3 is an irrational number class 10    prove that 2 35 is an irrational number class 10    prove that 1 2 is an irrational number class 10    prove that 2 5 is an irrational number class 10th    prove that 2 7 is an irrational number class 10    prove that 2 is a rational number class 10    prove that 5 √ 2 is an irrational number class 10  
結果 : prove that 2 is an irrational number class 10