\( 4 \cdot 13 + 3 \cdot 12 = 52 + 36 = 88 \)
\( 7 \cdot 11 - 4 \cdot 18 = 77 - 72 = 5 \)
\( 6 \cdot 13 - 5 \cdot 13 = 78 - 65 = 13 \)
\( 46 : 2 + 57 = 23 + 57 = 80 \)
\( 72 : 3 + 34 = 24 + 34 = 58 \)
\( 60 - 72 : 3 = 60 - 24 = 36 \)
\( 36 : 18 = 2 \)
\( 64 : 16 = 4 \)
\( 48 : 12 = 4 \)