學(xué)校鼓號(hào)隊(duì)共有143名隊(duì)員,其中男隊(duì)員人數(shù)與女隊(duì)員人數(shù)的比是4:7,鼓號(hào)隊(duì)中男隊(duì)員比女隊(duì)員少多少人?
總份數(shù):4+7=11(份),
男隊(duì)員人數(shù):143×
4
11
=52(人);
女隊(duì)員人數(shù):143×
7
11
=91(人)或143-52=91(人);
男隊(duì)員比女隊(duì)員少的人數(shù):91-52=39(人);
答:鼓號(hào)隊(duì)中男隊(duì)員比女隊(duì)員少39人.
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