Sagot :
Answer:
-90
Step-by-step explanation:
(-9) + (+10)
basta may close and open parentheses u will use the multiplication method
so 9×10=90
negative plus postive the answer is negative
Answer:
-90
Step-by-step explanation:
(-9) + (+10)
basta may close and open parentheses u will use the multiplication method
so 9×10=90
negative plus postive the answer is negative