The maths problem is not easy( )

The maths problem is not easy( ) The maths problem is not easy to work out.怎么不可以用is not easy Lucy finds it not easy to do the maths problem.为什么不是it is,讲下 The maths problem is not easy enough for him to 是work out还是w Is ____ easy _____ out the maths problem? This maths problem is not easy.I can't work it out. this maths problem is （ ）that one A.not so easy as B.more ea {{..Easy的Maths problem..]] The maths problem is wery easy.They can work it out=The math The problem is not easy .we can't do it (). 改错the maths problem is so easy that i can work out 亲们 急用!working out the maths problem is very easy.(改为同义句)