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1)108
2)4367.5.................................................
Х - 0,035х = 386
0,965х = 386
Х = 386 : 0,965
Х = 400
Ответ число 400
5) д; з ; в ; е
6) г
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( - 1/6 + 2/3) - (3,74 - 5,89) = 2,65
1) - 1/6 + 2/3 = 2/3 - 1/6 = 4/6 - 1/6 = 3/6 = 1/2
2) 3,74 - 5,89 = - 2,15
3) 1/2 - (- 2,15) = 0,5 + 2,15 = 2,65