Question

Determinati valoarea lui x pentru care fractia este subunitara
X
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{345•2:10+31:[51:3+84:12•(51-7•7)]•3}:9

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Answer 1

x/{345•2:10+31:[51:3+84:12•(51-7•7)]•3}:9<1
x<{69+31:[17+7•(51-49)]•3}:9
x<[69+31:(17+7•2)•3]:9
x<(69+31:31•3):9
x<(69+3):9
x<72:9
x<8