Adição https://www.youtube.com/watch?v=VGQMrAQMyf4
Subtraçãohttps://www.youtube.com/watch? v=_SfUHG3VJJQ&list=PLougO8IRm3JYBFP0DsbFhzQ7oZHIUUyvm&index=6
Multiplicação https://www.youtube.com/watch?v=A4M_VnaLTUQ
Multiplicação https://www.youtube.com/watch?v=V58WEaUcpi4
https://www.youtube.com/watch?v=V58WEaUcpi4
https://www.youtube.com/watch?v=y1DYR0lCGyo
https://www.youtube.com/watch?v=uah0mHwCKps
https://www.youtube.com/watch?v=Dt3r5DmOcgY
https://www.youtube.com/watch?v=bUNC3lpw18Q
https://www.youtube.com/watch?v=QuV9BQfaghs
PESSOAL!!!
ResponderExcluirRESOLVER AS QUESTÕES E ENVIAR PARA O E-MAIL:
stafarello@professor.educacao.sp.gov.br