.A=16−17+17−18+...+110−111...=16−17+17−18+...+110−111=16−111=11−66.11=566
...=16−17+17−18+...+110−111" role="presentation" style="font-size: 13.696px; word-spacing: 0px; position: relative;">A=16−17+17−18+...+110−111...=16−17+17−18+...+110−111=16−111=11−66.11=566" role="presentation" style="font-size: 13.696px; display: inline; position: relative;">=16−111=11−66.11=566
.A=16−17+17−18+...+110−111...=16−17+17−18+...+110−111=16−111=11−66.11=566