用简便方法怎么算
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197+63-12*8=260-96 =154
39+160/(40-20) = 39+160/20 = 39+8=47
(125+25)*8 = 125*8+25*8 = 1000+200 = 1200
88000/125/8 = 88000/(125*8) = 88000/1000=88
125*72 = 125*(80-8) = 125*80 - 125*8 = 10000-1000=9000
79*100-79 = 7900-79=7821
39+160/(40-20) = 39+160/20 = 39+8=47
(125+25)*8 = 125*8+25*8 = 1000+200 = 1200
88000/125/8 = 88000/(125*8) = 88000/1000=88
125*72 = 125*(80-8) = 125*80 - 125*8 = 10000-1000=9000
79*100-79 = 7900-79=7821
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