the mass of a magazine is 270g.A dictionary is 3 times as heavy as the magazine.what is the total mass of the magazine and the dictionary?

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• the mass of a magazine is 270g.A dictionary is 3 times as heavy as the magazine.what is the total mass of the magazine and the dictionary?
• the mass of a magazine is 270g.A dictionary is 3 times as heavy as the magazine.
• Jim gives the postcard toTom.的同义句The postcard is ___ Jim___ Tom.怎么填?
• 21.A:______ ______ ______ ______ ______?B:My favorite color is pink.括号里填什么