PRACTICE NUMBERS

EXER 1: CLICK HERE    EXER 2: CLICK HERE    EXER 3: CLICK HERE

EXER 4: CLICK HERE    EXER 5: CLICK HERE    EXER 6: CLICK HERE

EXER 7: CLICK HERE    EXER 8: CLICK HERE    EXER 9: CLICK HERE

EXER 10: CLICK HERE    EXER 11: CLICK HERE    EXER 12: CLICK HERE