Задача 50547 ...

vk497414987

2020-05-18 07:41:40

√(4√2-7)²+4√2

xacku13052020

2020-05-18 09:43:05

Объяснение.
√(4√2–7)²+4√2= ( т.к (4√2–7)²=(7-4√2)²) =
=√(7-4√2)²+4√2=
=|7-4√2|+4√2= ( т.к. 7-4√2=√49-√32>0 , то |7-4√2|=7-4√2 )=
=7-4√2+4√2=7