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100 грамм - 100%
x -13%
cледовательно - ответ 13 грамм
1) = 6м ∧5,2
2) = 11∧0,6
3) = 11∧1,2
7) = 5∧5/6
9) = с²
11) = 3∧2а
17) = 18∧4/7