SQL Taskbook Level 1.9

Given a table:

numbers
id number1 number2 number3
1 1 2 3
2 3 4 5
3 6 7 8

Solve the following tasks for it:

Задание 1

Find the largest value from columns number1, number2, number3 from this table.

Задание 2

Find the smallest value from columns number1, number2, number3 from this table.