Repaso complete this grammar review. february 12 11:59 pm unlimited attempts remaining grade settings 16-18 grammar presentation fill in the blanks with the correct answers to the addition problems. use spanish words. doce + ocho = quince + dos = seis + cuatro = veintiuno + cinco = veintiocho + dos = fill in the blanks with the correct answers to the subtraction problems. use spanish words. doce - ocho = catorce - tres = veintinueve - siete = quince - diez = treinta - trece =