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#include <bits/stdc++.h>
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using namespace std;
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/*
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小红 小明
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今年 a b
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b 1/3*a
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3*b-30 a
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b-a=1/3a-b
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2b=4/3a
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b=2/3a
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a-3b+30=b-a
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2a=4b-30
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2a=4(2/3a)-30
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a=4/3a-15
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15=1/3a
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a=45
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b=30
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*/
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int main() {
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return 0;
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} |