A difficult Maths questiona是一个三位数,b是一个一位数,且a/b,（a²+b²）/（ab+1）都是整数,求a+b的最大值与最小值

Physics ____ more difficult than maths A is B are This maths problem is a bit difficult fot me to work out.为什么bit difficult前面要加a? More one student ( )the answer to the difficult maths questions.A.is given B.has given 问一道英语的选择题的原因 I think Maths is _________than English...I think Maths is _________than English A much difficule B difficult C much more difficult D more much difficult It is difficult () out this maths problem Nous ne pourrons _____ ces difficultés qu’en faisant tous nos efforts. A.vaincre B.monter C.franc 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 In my view,biology is as difficult a subject as chemistry,but easier than maths.为什么要用 as difficult a subject as ,这是什么特殊句式吗 this maths problem is_________that one.A.as difficult as B.so easy as C.much difficult than D.more easier than How do you find maths?For me,it is___ geography 空中填 so difficult a subject as为什么错了 All of us found ( )difficult to work out the maths problem.A.it B.that C.which D.what Every in our class found ----- difficult to work out the maths problem A.it B.that C.which D.what He thought( )a little difficult to work out this maths problemthere /it/this/that选词填空 This maths problem is rather difficult,but it is not _____ the students.A) overB) beyondC) aboveD) within that maths problem is 空格difficult 空格nobody can do it .a:very that ; b:so that ; why? He is such a clever boy that he can work out many difficult Maths problemsHe is ___ ____ ____ ____ that he can work out many difficult Maths problems.是改同义句啦 the maths exam was very difficult ,I don't think ___could pass it A someone B everyone C no onethe maths exam was very difficult ,I don't think ___could pass itA someone B everyone C no one D somebody 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