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raynis2
raynis2
14.05.2020 15:01 •  Алгебра

Реши числовые ребусы 52*+*6*=9** *23-5**=181 *2*x3=2*2 2**x*=9*6

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Ответ:
банан116
банан116
14.05.2020
520+462=982
723-542=181
?
251*6=906
4,4(46 оценок)
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Ответ:
winterwhite123
winterwhite123
14.05.2020
Пусть b1,b2,b3 члены геометрической прогрессии и a1,a4,a25 соответственно арифметической, из условия следует что b1+b2+b3=114. Из свойств арифм прогрессии, приравнивая соответствующие члены перепишем их как b1=a1, b2=a1+3d, b3=a1+24d суммируя получаем b1+b2+b3=3a1+27d=114 откуда a1+9d=38, выразим отсюда a1=38-9d так как b2/b1=b3/b2 или что тоже самое (a1+3d)/a1=(a1+24d)/(a1+3d) подставляя в уравнение, выражение a1=38-9d получаем (38-6d)/(38-9d)=(38+15d)/(38-6d) или (38-6d)(38-6d)=(38+15d)(38-9d)   18*38*d=171d^2 откуда d=0,d=4 при d=0 ответ b1=b2=b3=38 , при d=4, a1=2 получаем b1=a1=2, b2=a4=14, b3=a25=98. 
4,6(32 оценок)
Ответ:
nikitaaleksandrov
nikitaaleksandrov
14.05.2020

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is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

4,4(29 оценок)
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