答案優(yōu)選(1)由圖可知,財(cái)政版對(duì)應(yīng)的百分?jǐn)?shù)為25%,
所以總頁(yè)數(shù)為:50÷25%=200(頁(yè));
答:這份雜志有200頁(yè).
(2)50×(1-60%),
=50×40%,
=20(頁(yè));
答:生活版有20頁(yè).
(3)50÷(1- 2 7 ),
=50÷ 5 7 ,
=70(頁(yè));
答:國(guó)際新聞?dòng)?0頁(yè).
答案優(yōu)選(1)由圖可知,財(cái)政版對(duì)應(yīng)的百分?jǐn)?shù)為25%,
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