7 задание плиз 9 класс.
\frac{(56+40)×56²}{56×56×40-40²} = \frac{96×56 }{640}=8.4[
[tex] \frac{(56+40)×56²}{56×56×40-40²} [tex] = [tex] \frac{96×56 }{640} [tex] =8.4
(56+40)×56²/56×56×40-40² = 96×56/640=8.4