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45米是80米的______%,比80多20%的数是______,72比______多20%.
人气:409 ℃ 时间:2020-02-06 00:07:10
解答
(1)45÷80=56.25%;
(2)80×(1+20%),
=80×120%,
=96;
(3)72÷(1+20%),
=72÷1.2,
=60;
故答案为:56.25,96,60.
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