Question

Now work out the steps in your mind. Write the answers directily in the boxes.
33 + 42 = $\boxed{}$

19 + 61 = $\boxed{}$

$\boxed{}$ = 48 + 42

$\boxed{}$ = 33 + 27

$\boxed{}$ = 34 + 63

$\boxed{}$ = 53 + 64

55 + 25 = $\boxed{}$

67 + 25 = $\boxed{}$

72 + 56 = $\boxed{}$

Answer 1

33 + 42 = $\boxed{75}$

19 + 61 = $\boxed{80}$

$\boxed{90}$ = 48 + 42

$\boxed{60}$ = 33 + 27

$\boxed{97}$ = 34 + 63

$\boxed{117}$ = 53 + 64

55 + 25 = $\boxed{80}$

67 + 25 = $\boxed{92}$

72 + 56 = $\boxed{128}$