The difficult maths problem he has just put up is _____ meA.overB.out ofC.beyondD.away from选哪个?为什么?

The maths problem is difficult,but f___we work it out. The maths problem is too difficult.math为什么加s More one student ( )the answer to the difficult maths questions.A.is given B.has given 连词成句　　work,very,difficult,to,seems,the,problem,maths,to,out,be. 定语从句改错：This is the most difficult maths problem which I have done. The maths problem is too difficult for him to work out.(改为复合句)怎样变复合句? 改错：The maths proble is too difficult.Little students can work it out . At last he ______(success) worked out the difficult Maths problem. 改错：The maths proble is too difficult.Little students can work it out .请说明原因 The maths problem is not difficult.It is e___根据首字母完成句子 the boy is young ,but he can work________the difficult maths problem(填介词） maths is the most difficult of al l the subjects. maths is ___ ___than __ __ subject. 保持句意相同 It is difficult () out this maths problem The Maths exercises are very difficult you can do them .You __ Maths.A don't B are good atC should learn D want to learn The math proble is too difficult for her to work out.(写出同以句）( )( )too difficult for her ( )( )out the maths problem the maths problem was so difficult that nobody could work it out.改同义句可以改成the maths problem was so difficult for anybody to solve.是用anybody还是用everybody呀? The maths problem is very difficult .We must ( ) carefully.The maths problem is very difficult .We must ( ) carefully.A think of it B think it of C think about it D think it about The maths problem is too difficult for him to work out 复合句The maths problem is———difficult ———he can't work it out