作业帮the mass of a magazine is 270g.A dictionary is 3 times as he
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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?
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.
what is the total mass of the magazine and the dictionary?
270×（1+3)=1080g
what is the total mass of the magazine and the dictionary?
270×（1+3)=1080g
the mass of a magazine is 270g.A dictionary is 3 times as he
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