作业帮29/42+27/56+41/72+85/99+107/143+177/182 29/42+27/56+41/72+85/99+107/143+177/182 哪位老师帮忙解—下简算题,
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29/42+27/56+41/72+85/99+107/143+177/182 29/42+27/56+41/72+85/99+107/143+177/182 哪位老师帮忙解—下简算题,
29/42+27/56+41/72+85/99+107/143+177/182
29/42+27/56+41/72+85/99+107/143+177/182 哪位老师帮忙解—下简算题,
29/42+27/56+41/72+85/99+107/143+177/182 29/42+27/56+41/72+85/99+107/143+177/182 哪位老师帮忙解—下简算题,
29/42+37/56+41/72+85/99+107/143+177/182
=(42-6-7)/42 + (21+16)/56 + (9+32)/72 +（22+63）/99+ (52+55)/143+(112+65)/182
=1- 1/7 - 1/6 + 3/8 + 2/7 +1/8 +4/9 +2/9+7/11+4/11+ 5/13+ 8/13+ 5/14
=1+(- 1/7+ 2/7+ 5/14)+(1/8+ 3/8+5/13+ 8/13)+4/9+4/11+2/9+7/11 -1/6
=4.5