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никита2460
@никита2460
June 2022
2
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решите уровнения за 4 класс
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allusssik
200*(х+71)=5400
200х+14200=5400
200х=-8800
х=-44
1 votes
Thanks 0
allusssik
400(х-12)=3600
allusssik
400(х-12)=3600 400х+4800=3600 400х= -1200 х=-3
demishnastya
Не правильно
sovenok55555
200*(х+71)=54000
х+71=54000:200
х+71=270
х=270-71
х=199
900*(16-с)=5400
16-с=5400:900
16-с=6
-с=6-16 (-1)
с=16-6
с=10
400*(х-12)=3600
х-12=3600:400
х-12=9
х=9+12
х=21
0 votes
Thanks 1
demishnastya
1,2 правилно
demishnastya
3 не правильно
demishnastya
1.199
demishnastya
2.10 3.-3
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Answers & Comments
200х+14200=5400
200х=-8800
х=-44
х+71=54000:200
х+71=270
х=270-71
х=199
900*(16-с)=5400
16-с=5400:900
16-с=6
-с=6-16 (-1)
с=16-6
с=10
400*(х-12)=3600
х-12=3600:400
х-12=9
х=9+12
х=21