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Автор - aysu1811

Iрешите уравнение пожалуйста

Ответ

Автор - crecet6r

101-78:(x:2+1)=75

78:(x:2+1)=101-75

78:(x:2+1)=26

(x:2+1)=78:26

(x:2+1)=3

x:2=3-1

x:2=2

x=2*2

x=4

(120:x-3):2+5=11

(120:x-3):2=11-5

(120:x-3):2=6

(120:x-3)=6*2

(120:x-3)=12

120:x=12+3

120:x=15

x=120:15

x=8

4*(85:x+3)-3=29

4*(85:x+3)=29+3

4*(85:x+3)=32

85:x+3=32:4

85:x+3=8

85:x=8-3

85:x=5

x=85:5

x=17

3*(x:6-7)+5=23

3*(x:6-7)=23-5

3*(x:6-7)=18

(x:6-7)=18:3

x:6-7=6

x:6=6+7

x:6=13

x=13*6

x=78

x=

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