Question 1

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 47\
\mathrm{-} &20\
\hline
\end{array}$ 4 tens - 2 tens = 2 tens

7 ones - 0 ones = 7 ones

Accepted Answer

27

Answer

67

Answer

20

Answer

17

Question 2

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

28

Answer

48

Answer

20

Answer

18

Question 3

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

45

Answer

35

Answer

40

Answer

95

Question 4

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

43

Answer

40

Answer

33

Answer

53

Question 5

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 59\
\mathrm{-} &30\
\hline
\end{array}$

Accepted Answer

29

Answer

20

Answer

19

Answer

39

Question 6

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

23

Answer

33

Answer

13

Answer

20

Question 7

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

46

Answer

96

Answer

36

Answer

40

Question 8

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 59\
\mathrm{-} &30\
\hline
\end{array}$

Accepted Answer

35

Answer

55

Answer

45

Answer

40

Question 9

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 59\
\mathrm{-} &30\
\hline
\end{array}$

Accepted Answer

62

Answer

52

Answer

60

Answer

32

Question 10

Find the answer.

$\begin{array}{lr}
\mathrm{ } & 38\
\mathrm{-} &10\
\hline
\end{array}$

Accepted Answer

27

Answer

17

Answer

20

Answer

30

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