(?×0.13)+?=6.81,?等于多少
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(?×0.13)+?=6.81,将?改成x,则0.13x+x=6.81,则(1+0.13)x=6.81,1.13x=6.81,x=6.02654867257,?等于6.02654867257
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(?×0.13)+?=6.81,?等于多少
(?×0.13)+?=6.81,将?改成x,则0.13x+x=6.81,则(1+0.13)x=6.81,1.13x=6.81,x=6.02654867257,?等于6.02654867257
(?×0.13)+?=6.81,将?改成x,则0.13x+x=6.81,则(1+0.13)x=6.81,1.13x=6.81,x=6.02654867257,?等于6.02654867257
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