05网免费提供各类练习与测试答案,请牢记零五网网址:05W.CC
1.
b c
a b c
b 5
2.
5a
s÷b
s÷a
3.
⑴ 320-x+180
⑵ 320-250+180=250
4.
⑴ 2x+30
⑵ 2x+30-x=x+30
http://m.ksjqmj.com/wunianjidaan/14716.html
推荐访问
热门搜索
05网免费提供各类练习与测试答案,请牢记零五网网址:05W.CC
1.
b c
a b c
b 5
2.
5a
s÷b
s÷a
3.
⑴ 320-x+180
⑵ 320-250+180=250
4.
⑴ 2x+30
⑵ 2x+30-x=x+30
http://m.ksjqmj.com/wunianjidaan/14716.html
推荐访问