Алгебра 7 класс номер 5.8

1) ( x5y6 ) / x20y32 = x20y24 / x20y22 = y22) ( a4 / b3 )5 * b17 = a20b17 / b15 = a20b23) ( x8y4 )3 / x23y12 = x24y12 / x23y12 = x4) a21b34 / ( a10b17 )2 = a21b34 / a20b34 = a5) y20 * ( z2 /y5 )4 = y20z8 / y20 = z86) z19t41 / ( z6t13 )3 = z19t41 / z18t39 = zt2