Regroup decimals

**Fill in the table with whole numbers to make $2.1$ in three different ways.** Ones | | Tenths :-: | :-: | :-: [[☃ input-number 1]] | $+$| $1$ $1$ | $+$ | [[☃ input-number 2]] $0$ | $+$ | [[☃ input-number 3]]