Direct: The number of paper -sheets and their weights ., The area of cultivated land and the crop harvested is a case of, The side of a square and its perimeter , Indirect: The number of workers on a job and the time to complete the job ., Number of workers and number of hours to complete a task, Keeping the same area of a triangle its base and height,

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?