A 20％ B 25％ C 22％ D 15％ E 12％

A 2015 B 2016 C 2017 D 2018 E 2019

A 24 B 32 C 35 D 40 E 50

A 4 B 5 C 6 D 7 E 8

A 2 B <img src="https://www.beizhujiaoyu.com/uploads/202208/165235461343591.png" width="38" height="17" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/165235461813401.png" width="20" height="17" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/165235462397731.png" width="36" height="17" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/165235462711331.png" width="71" height="18" />

A <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184331_4462.jpg" /> B <img width="26" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184334_3681.jpg" /> C <img width="40" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184334_5243.jpg" /> D <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184336_4930.jpg" /> E <img width="40" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184336_6493.jpg" />

A 2 B 2．4 C 3 D 3．6 E 4．2

A 80 B 120 C 160 D 200 E 240

A -6 B -9 C 6 D 9 E 0

A <img width="88" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184659_3056.jpg" /> B <img width="88" height="57" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184700_0400.jpg" /> C 4<m<6 D <img width="159" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184701_8056.jpg" /> E <img width="158" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184702_2589.jpg" />