Explicație pas cu pas:
[tex] \sqrt{25} = 5 \\ \sqrt{ 4} = 2 \\ \sqrt{25} \times \sqrt{4} = 5 \times 2 = 10 \\ \sqrt{25 \times 4} = \sqrt{100} = 10 \\ \sqrt{4} = 2 \\ \sqrt{16} = 4 \\ \sqrt{16} \times \sqrt{4} = 4 \times 2 = 8 \\ \sqrt{16 \times 4} = \sqrt{64} = 8 \\ \sqrt{36} = 6 \\ \sqrt{4} = 2 \\ \sqrt{36} \times \sqrt{4} = 6 \times 2 = 12 \\ \sqrt{36 \times 4} = \sqrt{144} = 12 \\ \sqrt{36} = 6 \\ \sqrt{9} = 3 \\ \sqrt{ 36} \div \sqrt{9} = 6 \div 3 = 2 \\ \sqrt{36 \div 9} = \sqrt{4} = 2 \\ \sqrt{64} = 8 \\ \sqrt{4} = 2 \\ \sqrt{64} \div \sqrt{ 4} = 8 \div 2 = 4 \\ \sqrt{64 \div 4} = \sqrt{16} = 4 \\ \sqrt{100} = 10 \\ \sqrt{25} = 5 \\ \sqrt{100} \div \sqrt{25} = 10 \div 5= 2 \\ \sqrt{100 \div 25} = \sqrt{4} = 2[/tex]
