There are 20 maths problems in the each.For each right answer,you get 0.For each wrong answer,you lose 2 points instead of getting points (倒扣2分).If Lucy gets a mark (分数),which is a prime mumber(质数),the largest number of maths prob
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There are 20 maths problems in the each.For each right answer,you get 0.For each wrong answer,you lose 2 points instead of getting points (倒扣2分).If Lucy gets a mark (分数),which is a prime mumber(质数),the largest number of maths prob
There are 20 maths problems in the each.For each right answer,you get 0.For each wrong answer,you lose 2 points instead of getting points (倒扣2分).If Lucy gets a mark (分数),which is a prime mumber(质数),the largest number of maths problems she works out(解出)is ____.
A.13 B.15 C.16 D.17
第一句each改为test sorry,我打错了 应该是For each right answer,you get 5,不答得0,答错得-2 ok.
There are 20 maths problems in the each.For each right answer,you get 0.For each wrong answer,you lose 2 points instead of getting points (倒扣2分).If Lucy gets a mark (分数),which is a prime mumber(质数),the largest number of maths prob
C.16