I think so that graph will help you...................................
33 * 3 + 3/3 = 100
I do not believe u have to use all of the operations because it says " at most once ".
Using first the customary ruler and then the metric ruler, measure the length of the side of the wooden block. Remember to estimate to one place value beyond the rulers’ gradations.
The area is 336 is you multiply the outer numbers then subtract the numbers on the in side that's what you get