Fill in the Blanks calcula las operacionesOnline version calcula las operaciones by Brian Mendoza 1 5 3 1 8 2 + 10 + 8 = 23 + 9 + 16 = 28 15 - 8 - = 3 23 - 5 - 13 = 5 + 9 + 13 = 31 30 - 8 - 12 =