Calcule os números
abaixo e escreva o resultado por extenso:
Exemplo: 50+50 =100,
one hundred.
- 9-5= ___________________________________
- 8-2= ___________________________________
- 14-6= __________________________________
- 16-7= __________________________________
- 23-21= _________________________________
- 3+-2= __________________________________
- 15-10= _________________________________
- 19 -16 = ________________________________
- 4+3= ___________________________________
- 49 – 39 = _______________________________
