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二年级奥数，很多家长都认为答案是85，学霸说不对看看他咋说？
二年级易错题合集18/31
App02:31
App02:45
App01:34
App02:06
App01:34
App01:35
App01:53
App01:26
App01:43
App01:42
App01:15
App01:21
App01:32
App01:40
App01:28打开App观看
App02:31App02:45App01:34App02:06App01:34App01:35App01:53App01:26App01:43App01:42App01:15App01:21App01:32App01:40App01:28
