Вычислите устно:
а) $\snippet{name: op_column_rows, args: ['72 : 8', '+ 51', ': 15', '* 9', '+ 14'], solution: '?'}$;
б) $\snippet{name: op_column_rows, args: ['56 : 7', '* 5', '- 13', ': 9', '+ 17'], solution: '?'}$;
в) $\snippet{name: op_column_rows, args: ['63 : 9', '+ 33', ': 8', '* 13', '- 25'], solution: '?'}$;
г) $\snippet{name: op_column_rows, args: ['54 : 6', '* 7', '+ 17', ': 10', '- 8'], solution: '?'}$;
д) $\snippet{name: op_column_rows, args: ['81 : 9', '+ 41', ': 5', '* 7', '- 17'], solution: '?'}$.