2012PP-I-04
答案:$\$585$
該椅子的售價
… Read 該椅子的售價
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= & 360\times
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= & 360\times
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= & \$1~600(1+20\%)^
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= & \$80~080 \div (1
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= & \$50~000\times(1
則女工的人數為 $x\div (1-20\%)$。
由此,可得
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原有扇形的面積
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= & x
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= & 50\ 000 \times (1 +
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= & 33\ 360 \div (1+25\
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= & 2000 \times ( 1 + \df
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= & 100000 \times (1 + \
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= & 65000 \times (1 + \
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= &
超重女生的百分數與超重男生的百分數之和為所有超重學生的百分數。由此,可得
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