mathematica 比如让它进行一个符号积分,他寄出来了,怎么查看步骤呢

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• mathematica 比如让它进行一个符号积分,他寄出来了,怎么查看步骤呢
• mathematica 比如让它进行一个符号积分,他寄出来了,怎么查看步骤呢
• Are they _______?Yes.They don't like policemanA.reporters B.actors C.thieves D.doctors 应该选哪个?
• 一,语境填词Tony's g__ a bird.1.Thank you for _ to the cinema with me.A.going B.go C.goes2.Remember _ the raincoat with you.A.take B.taking C.to take 3.__ is in America.A.Uncle zhao B.Uncle Zhao C.The uncle zhao D.The Zhao Uncle 4.The books are for _.A.me and you B.I and you C.you and I D.you and me 5.Are there any computers in your classroom?Yes,there is __A.some computers B.some C.a D.one6.Has David got a grandmother?Yes.He __ a grandfather.A.has also got