|
Can you use 9, 7, 3, and 1, to make a result number from 1 to 13? The restrictions are:
You can use only Addition(+), Subtraction(-), Multiplication(x), Division(/), parentheses ")", and Negative "-".
The number 9 must be the first number in your calculation.
You need to have to at least one Multiplication (x) or one Division (/) in your calculation.
The figure shown is one way to make a target number 4. You need to figure out a different way to get target number 4. You can not use the sample calculation as shown in the figure.
|