1) x + 25689 = 25689 + 37541
2) x + (6534 + 241) = (4173 + 6534) + 241
3) x ⋅ (25 ⋅ 37) = (42 ⋅ 25) ⋅ 37
⋅ - это умножить
2) x + (6534 + 241) = (4173 + 6534) + 241
3) x ⋅ (25 ⋅ 37) = (42 ⋅ 25) ⋅ 37
⋅ - это умножить
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1) х + 25689=25689+37541
х+ 25689=63230
х=63230-25689
х=37541
2)x + (6534 + 241) = (4173 + 6534) + 241
x + (6534 + 241) = 10707+241
x + (6534 + 241) = 10948
х+ 6775=10948
х=10948-677
х=10271
3)x ⋅ (25 ⋅ 37) = (42 ⋅ 25) ⋅ 37
x ⋅ (25 ⋅ 37) =1050⋅37
x ⋅ (25 ⋅ 37) =38850
х ⋅ 925 = 38850
х= 38850 : 925
х= 40, 8