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精选优质文档-倾情为你奉上2.5+0.92 = 3.6+4.29 = 5.6 +4.28 = 3.06+ 42.4 = 8.8 +4.5= 5.2 + 4.8 =32.5+0.92 = 3.36+4.239 = 5.36 +4.28 = 43.06+ 42.4 = 58.8 +4.55= 5.2 + 45.8 = 41.50.3510.592.3-0.5670.89-0.81.390.966=3.85- 2.4=0.36-0.0640.960.31.50.951.20.892.3-0.965.62.9 3.771.8 0.0296 5.220.3 9.990.12 4.670.9 8.52.44 1.666.18 9.420.762 5.66.5 4.882.985.441.6 42.840.7 101.79 67.50.15 2.3040.6 21.243.6 0.7362.3 43.512 35.217 + + - - +- - - + + + 1 专心-专注-专业