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Show how you might sketch base pieces to illustrate each computation by filling out each part of the following questions. a. 694 + 233 i) Combine sets for a total of flat(s), long(s), and unit(s). ii) Regroup unit(s) to long(s), and unit(s). iii) Regroup long(s) to flat(s), and long(s). iv) There are now flat(s), long(s), and unit(s). v) 694 + 233 = b. 783 - 166 i) Regroup 783 to flat(s), long(s), and unit(s). ii) Take away 166 to obtain flat(s), long(s), and unit(s). iii) 783 - 166 =