Respuesta :
1 tens = 10 ones
5 × 10 = 50
1 tens = 50 ones = 50
1 one = 1
50 + 13 = 63
5 tens + 13 ones = 63
5 × 10 = 50
1 tens = 50 ones = 50
1 one = 1
50 + 13 = 63
5 tens + 13 ones = 63