This math problem is------that one. A.not so easy as B.more easy than C .as easier than D.easy than

选哪一个?大家帮帮我.给我讲讲为什么,谢~

A. not so easy as
B. 要用 much easier than. (easy的比较级是easier, 修饰比较级时用much)
C. as 后不接比较级
D. easier than (than 前面要用比较级)
所以A正确
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