Mathematics for IGCSE & O level - The Four Operations (Section 7 - No. 22)
Which calculation(s) will equal to a positive number?
A positive number multiplied by a positive number.
A negative number divided by a negative number.
A negative number multiplied by a positive number.
A positive number divided by a negative number.
Wyjaśnienie
The product or quotient of two numbers with the same sign is positive.