Ответы на вопрос:
1) x - 8.5 = - 3 x = - 3 + 8.5 = 5.5 //////////////////////////////////////// 2) x - 3.41 = - 2.904 x = - 2.904 + 3.41 = 0.506 ///////////////////////////////////////////// 3) x - ( + 9) = - 3.1 x - 9 = - 3.1 x = - 3.1 + 9 = 5.9
Х-8.5=-3 х=-3+8.5 х=5.5 х-3.41=-2.904 х=-2.904+3.41 х=0.506 х-(+9)=-3.1 х-9=-3.1 х=-3.1+9 х=5.9
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