Fill in the blanks:
(i) 7+___=0 (ii) -9+ ___=0
(iii) +15+(-15)=_______ (iv) (-17)- _______=-4

Fill in the blanks:
(i) 7+___=0 (ii) -9+ ___=0
(iii) +15+(-15)=_______ (iv) (-17)- _______=-4

About the author
Isabella