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Date Posted: 6 years ago
Views: 485
菊花 ??枝=30%总花卉
向日葵30枝=20%总花卉
百合 ??枝=12%总花卉
玫瑰 ??枝=(100-30-20-12=)38%总花卉
20%=30枝
10%??
答：等于15枝
哪100%呢？
答：等于150枝
(a)花卉总数=150枝
(b)
10%=15枝
12%=18枝(百合)
20%=30枝(向日葵)
30%=45枝（菊花）
玫瑰=150-45-30-18=57枝
或
10%=15枝
38%=15x3.8=57枝（玫瑰）
向日葵30枝=20%总花卉
百合 ??枝=12%总花卉
玫瑰 ??枝=(100-30-20-12=)38%总花卉
20%=30枝
10%??
答：等于15枝
哪100%呢？
答：等于150枝
(a)花卉总数=150枝
(b)
10%=15枝
12%=18枝(百合)
20%=30枝(向日葵)
30%=45枝（菊花）
玫瑰=150-45-30-18=57枝
或
10%=15枝
38%=15x3.8=57枝（玫瑰）
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