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хочуха04
@хочуха04
July 2022
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Реши уравнение.....( х + 20 ) ·45 =3105....... х ÷ 34 =17000 + 204 ....... 57 · (500-х)=11457.... 16912 ÷ х=7890 - 7834
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Zefirka666
Verified answer
1) (х+20) * 45 = 3105
45х + 900 = 3105
45х = 2205
х= 2205: 45
х=49
2)х: 34 = 17000+ 204
х:34 = 17204
х= 17204* 34
х= 584936
3)57* (500 - х) = 11457
28500 - 57х = 11457
-57х = 11457 - 28500
-57х = -17043
х=299
4)16912 : х = 7890 - 7834
16912 : х = 56
56х = 16912
х = 302
13 votes
Thanks 24
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Answers & Comments
Verified answer
1) (х+20) * 45 = 310545х + 900 = 3105
45х = 2205
х= 2205: 45
х=49
2)х: 34 = 17000+ 204
х:34 = 17204
х= 17204* 34
х= 584936
3)57* (500 - х) = 11457
28500 - 57х = 11457
-57х = 11457 - 28500
-57х = -17043
х=299
4)16912 : х = 7890 - 7834
16912 : х = 56
56х = 16912
х = 302