(. 166). : , . . : 3 6 , (1, 2, 4, 5) , , - , , ( ), . : 2+1/2x4 = 4, : 8+1/2x4+1/2x2 = 11, (8140)6~. 21^5(814011)2()2, 2̸5(818022)()2. () . . - (), , , . , , , , (. 167). , :

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