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07.01.09
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11+9=20
20*2=40
40/100=40%
¼×»÷Öзɻú¸ÅÂÊ11/100=11%
ÒÒ»÷Öзɻú¸ÅÂÊ20/100=20%
±û»÷Öзɻú¸ÅÂÊ9/100=9%
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¼×»÷ÖзɻúµÄ¸ÅÂÊÊÇ11/100=0.11,ÒÒ»÷ÖзɻúµÄ¸ÅÂÊÊÇ20/100=0.20,
±û»÷ÖзɻúµÄ¸ÅÂÊÊÇ9/100=0.09.
0.1222
0.01
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