Пошаговое объяснение:
1) 5а - 3а + 10b = 2a + 10b = 2*(a+5b) = 2*1.7 = 3.4
2) - 0.9x - 0.6x - 0.5y = - 1.5x - 0.5y =-0.5*(3x + y) =0.5*0.2=0.1
3)2mn - 8mp + 5mp = m*(2n - 8p + 5p) = 4 * (2n - 3p) = - 4 * (3p - 2n) = 4 * 0.4 = 1.6
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Пошаговое объяснение:
1) 5а - 3а + 10b = 2a + 10b = 2*(a+5b) = 2*1.7 = 3.4
2) - 0.9x - 0.6x - 0.5y = - 1.5x - 0.5y =-0.5*(3x + y) =0.5*0.2=0.1
3)2mn - 8mp + 5mp = m*(2n - 8p + 5p) = 4 * (2n - 3p) = - 4 * (3p - 2n) = 4 * 0.4 = 1.6