1)8(5-3×5.5)+2(11×5.5-20)=-11
2)5.6(-11+0.0121)-2.8(0.11+2×0.0121)=-61.908
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1)8(5-3×5.5)+2(11×5.5-20)=-11
2)5.6(-11+0.0121)-2.8(0.11+2×0.0121)=-61.908