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annakonopelcheva
@annakonopelcheva
July 2022
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решите уравнение с проверкой:
90*в=324+18*2
50*х+28=400-72
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nurik2010
1) 90*в=324+18*2
90в=324+36
90в=360
в=360:90
в=4
2)
50*х+28=400-72
50х=400-72-28
50х=300
х=300:50
х=6
1 votes
Thanks 2
annakonopelcheva
а как ты нашла 4 и 6?
nurik2010
там всё написано
morkva8884489
90*в=324+18*2
решение:
18+2=36
36+324=360
90*b=360
b=360:90
b=4
ответ:b =4
50*х+28=400-72
решение:
400-72=328
50*х+28=328
50*х=328-28
50*х=300
х=300:50
х=6
ответ: х=6.
3 votes
Thanks 3
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Answers & Comments
90в=324+36
90в=360
в=360:90
в=4
2) 50*х+28=400-72
50х=400-72-28
50х=300
х=300:50
х=6
решение:
18+2=36
36+324=360
90*b=360
b=360:90
b=4
ответ:b =4
50*х+28=400-72
решение:
400-72=328
50*х+28=328
50*х=328-28
50*х=300
х=300:50
х=6
ответ: х=6.