a147.010.8b+a≤491.441.16907b+1.77367a≤838.88

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a147.010.8b+a≤491.441.16907b+1.77367a≤838.88a147.010.8b+a≤491.441.16907b+1.77367a≤838.88a147.010.8b+

a147.010.8b+a≤491.441.16907b+1.77367a≤838.88
a147.01
0.8b+a≤491.44
1.16907b+1.77367a≤838.88

a147.010.8b+a≤491.441.16907b+1.77367a≤838.88
好难啊