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1.34*2.6+7.4*17*2
=1.34*(10-7.4)孝扰+7.4*34
=13.4-1.34*7.4+7.4*34
=13.4-(1+0.34)*7.4+7.4*34
=13.4-0.34*7.4-7.4+7.4*34
=13.4-7.4-0.34*7.4+7.4*34
=6+7.4*(34-0.34)
=6+7.4*33.66
=6+7.4*11*3.06
=3(2+81.4*1.02)做慎毕
=3(2+81.4+1.628)
=3(83.4+1.6+0.028)纯芹
=3*85.028
=255.084
=1.34*(10-7.4)孝扰+7.4*34
=13.4-1.34*7.4+7.4*34
=13.4-(1+0.34)*7.4+7.4*34
=13.4-0.34*7.4-7.4+7.4*34
=13.4-7.4-0.34*7.4+7.4*34
=6+7.4*(34-0.34)
=6+7.4*33.66
=6+7.4*11*3.06
=3(2+81.4*1.02)做慎毕
=3(2+81.4+1.628)
=3(83.4+1.6+0.028)纯芹
=3*85.028
=255.084
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