0,6(4x-12) - 0,4(5x-7)
2,4x - 7,2 - 2x + 2,8
0,4x - 10
Если x = 4 целых 1/6(что = 25/6), то
0,4 * 25/6 - 10 = 10/6 - 10 = 10/6 - 60/6 = -50/6 = - 8 2/6 = -8 1/3
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0,6(4x-12) - 0,4(5x-7)
2,4x - 7,2 - 2x + 2,8
0,4x - 10
Если x = 4 целых 1/6(что = 25/6), то
0,4 * 25/6 - 10 = 10/6 - 10 = 10/6 - 60/6 = -50/6 = - 8 2/6 = -8 1/3