Ответ:
1.[tex] - 0.1b \times ( - 2.3c) = 0.23bc[/tex]
2.[tex]0.5(x + 2) - 3x = 0.5(0.1 + 2) - 3 \times 0.1 = 1.05 - 0.3 = 0.75[/tex]
4.[tex]2x + (3 - 4x) = 2x + 3 - 4x = - 2x + 3 = 3 + 2x[/tex]
3.[tex] - 7x + 15y + 11x - 21y = - 6y + 4x[/tex]
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Ответ:
1.[tex] - 0.1b \times ( - 2.3c) = 0.23bc[/tex]
2.[tex]0.5(x + 2) - 3x = 0.5(0.1 + 2) - 3 \times 0.1 = 1.05 - 0.3 = 0.75[/tex]
4.[tex]2x + (3 - 4x) = 2x + 3 - 4x = - 2x + 3 = 3 + 2x[/tex]
3.[tex] - 7x + 15y + 11x - 21y = - 6y + 4x[/tex]