\( 44 = 40 + 4 \)
\( 18 = 10 + 8 \)
\( 73 = 70 + 3 \)
\( 97 = 90 + 7 \)
Ответ: 44 = 40 + 4, 18 = 10 + 8, 73 = 70 + 3, 97 = 90 + 7.