Ответ:

\(42 + 51 = 93\)

\(62 + 29 = 91\)

\(96 - 38 = 58\)

\(85 - 57 = 28\)

\(35 \cdot 2 = 70\)

\(12 \cdot 6 = 72\)

\(76 : 4 = 19\)

\(63 : 21 = 3\)

Ответ: 93; 91; 58; 28; 70; 72; 19; 3.