来自陈怡海的问题
Thereare20mathsproblemsintheeach.Foreachrightanswer,youget0.Foreachwronganswer,youlose2pointsinsteadofgettingpoints(倒扣2分）.IfLucygetsamark(分数）,whichisaprimemumber(质数）,thelargestnumberofmathsprob
Thereare20mathsproblemsintheeach.Foreachrightanswer,youget0.Foreachwronganswer,youlose2pointsinsteadofgettingpoints(倒扣2分）.IfLucygetsamark(分数）,whichisaprimemumber(质数）,thelargestnumberofmathsproblemssheworksout(解出）is____.
A.13B.15C.16D.17
第一句each改为testsorry,我打错了应该是Foreachrightanswer,youget5,不答得0,答错得-2ok.
1回答
2020-03-08 23:38