\[\boxed{\mathbf{73\ (73)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
Пояснение.
Решение.
\[Число\] | \[7263\] | \[4681\] | \[2743\] | \[6885\] | \[7227\] | \[6350\] | \[7920\] |
---|---|---|---|---|---|---|---|
\[Кратно\ 9\] | \[+\] | \[-\] | \[-\] | \[+\] | \[+\] | \[-\] | \[+\] |
\[\boxed{\mathbf{73}.}\]
\[1)\ (a + 435) - 109 =\]
\[= a + (435 - 109) = a + 326\]
\[2)\ 164 - (137 + b) =\]
\[= (164 - 137) - b = 27 - b\]