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?
人气：102 ℃ 时间：2020-05-14 02:01:06
解答
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
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