(8-2 2/7×2 11/12)÷2 2/27=. Created by Ученикаggff. matematika-ru

27=...

ivan192168 $(8 - \frac{2}{7} * 2 \frac{11}{12}) : 2 \frac{2}{27} = \\ = (8 - \frac{5}{6}) : 2 \frac{2}{27} = \\ 7 \frac{1}{6} : 2 \frac{2}{27} = \\ = \frac{43}{6} : \frac{56}{27} = \frac{43}{6} * \frac{27}{56} = \frac{1161}{336} = \frac{387}{112} = 3 \frac{51}{112}.$

5 votes Thanks 9

Ученикаggff 8- 2 2/7

ivan192168 8 - 2 2/7 = 5 5/7.

ivan192168 В скобках будет 1 1/3 и делим на 2 2/27 будет 9/14.

sapsan5 (8-2 2/7×2 11/12)÷2 2/27=
=(8-16/7*35/12):2 2/27=
(8-20/3):2 2/27=
=(7 3/3-20/3):2 2/27=
=(6 9/3-20/3):2 2/27=
=(5 12/3-20/3) :2 2/27=
=(4 15/3-20/3) :2 2/27=
=(3 18/3-20/3) :2 2/27=
=(2 21/3-20/3) :2 2/27=
=2 1 /3*27/56=
=7/3*27/56=
=9/8=1 1/8

3 votes Thanks 4

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