this maths problem is_________that one.

this maths problem is_________that one. This maths problem is ___ that one . i think this maths problem is _____ than that one.what do yo this maths problem is more differicult than that one （同义句） M this maths problem is diffferent from that one (改成同义句) this maths problem is （ ）that one A.not so easy as B.more ea the maths problem is ____ that one __ __ THIS MATHS PROBLEM IS ! this maths problem.为什么加s It is difficult () out this maths problem This maths problem is easy to work out.同义句This maths problem maths problem