38+97+46x99+16x97如何用简便方法计算
38+97+46x99+16x97
=38+ï¼100-3ï¼+46xï¼100-1ï¼+16xï¼100-3ï¼
=38+ï¼100-3ï¼+ï¼4600-46ï¼+ï¼1600-48ï¼
=38+100+ï¼4600+1600ï¼-3-46-48
=100+6200+ï¼38-46-3-48ï¼
=6300-59
=6241
=38+ï¼100-3ï¼+46xï¼100-1ï¼+16xï¼100-3ï¼
=38+ï¼100-3ï¼+ï¼4600-46ï¼+ï¼1600-48ï¼
=38+100+ï¼4600+1600ï¼-3-46-48
=100+6200+ï¼38-46-3-48ï¼
=6300-59
=6241
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第1个回答 2016-11-25
38+(1+16)x97+46x(100-1)
=38+17x(100-3)+4600-46
=38+1700+4600-51-46
=6300-97+38
=6300-100+3+38
=6200+41
=6241
=38+17x(100-3)+4600-46
=38+1700+4600-51-46
=6300-97+38
=6300-100+3+38
=6200+41
=6241
