Book
Maths Puzzle
Number System
How to find the difference?
-26-(-8)
-18-4
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Book Other Question
15(-2)(7)
12(-5)
how to find the product of these two numbers?
At the beginning of a month, your account balance was $3090. During the month, you withdrew $870 and 465,deposited $109, and earned interest of $10.05. What was your balance at th