Question

Raiz quadrada de 21 dividindo 38 múltiplo de 10

Answer 1

Explicação passo-a-passo:

21/2√21=

21/2√21×2√21/2√21=

42√21/4×)√21)2=

42√21/4×21=

42√21/84=

1√2/2=

√21/2