213÷9×18
=213×18÷9
=213×(18÷9)
=213×2
=426
猜你喜欢
- 1已知方程组x−y=54x−3y+k=0的解也是方程3x-2y=0的解,则k.
- 2Do you have lots of probiems _______ English?
- 3是next door neighborhood,还是next door neighbor?什么区别?
- 4英语选择题 There are students playing on the playground now they are all studying in the classroom
- 5《闻一多先生的说和做》这篇文章在叙述中穿插了哪些形象的描写?说说这些描写的作用.
- 6前1000个自然数中,能被2整除但不能被3整除也不能被5整除的数有几个
- 7鸡兔同笼,鸡a只,兔b只,则共有头_个,脚_只.
- 8and,listen,the,to,teacher,boys,please,girls,now(.)
- 9-Are you going to the party_at Smith's home this evening?-I will if I am free
- 10What you believe.你相信么.If the world betrayed you.如果全世界背叛了你.