Complete the series.
1- three-six-nine-twelve
2-ten-fifteen-_________-twenty-five-thirty
3-twelve-twenty-four -thirty-six-_________
4-twenty-five-fifty-seventy-five-__________
5-ten-_________-fifty-seventy


1
que necesitas
necesito saber que tengo que poner en los espacios para un trabajo de compesatorio

Respuestas

2013-10-10T22:54:18+02:00
ten-fifteen-twenty-twenty-five-thirty
twelve-twenty-four -thirty-six- forty eigth 
twenty-five-fifty-seventy-five- one hundred 
ten- ?? -fifty-seventy