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Sapfira1217
@Sapfira1217
July 2022
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Помогите пожалуйста решить уровнение 1420+x:30=2710 и 15*х-1690 =1355
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n1982
1420+x:30=2710
х:30=2710-1420
х:30=1290
х=1290*30
х=38700
и 15*х-1690 =1355
15*х=1355+1690
15*х=3045
х=3045:15
х=203
3 votes
Thanks 9
Sapfira1217
Спасибо
Sonik04
2710-1420=1290
1290:30=43
43 - х
1355+1690=3045
3045:15=203
203 - х
1 votes
Thanks 1
Sonik04
Первое 1290*30=38700*
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Answers & Comments
х:30=2710-1420
х:30=1290
х=1290*30
х=38700
и 15*х-1690 =1355
15*х=1355+1690
15*х=3045
х=3045:15
х=203
1290:30=43
43 - х
1355+1690=3045
3045:15=203
203 - х