Machine Translated by Google MATHEMATICS 1st Grade - Primary Education UMAS AND SUBTRACTIONS 1 4 2 + 1 3 2 + 1 1 7 1 6 4 + 2 2 7 1 2 7 1 8 3 + 1 3 5 1 9 7 – 2 4 3 – 1 3 9 1 2 7 2 9 0 – 5 6 – 2 9 2 3 5 1 7 6 + 1 4 9 3 9 3 – 1 2 5 136