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[a-25×13]+315=458
458-315=143
143÷13=11
11+25=36(a)
[a-25×13]+315=458
458-315=143
143÷13=11
11+25=36(a)
[(a-25)*13]+315=458
[(a-25)*13]=458-315
(a-25)*13=143
(a-25)=143%13
a-25=11
a=11+25
a=36
R=36
[(a-25)*13]=458-315
(a-25)*13=143
(a-25)=143%13
a-25=11
a=11+25
a=36
R=36