1/2×78.5+78.5×4/3+78.5×1/6怎么简算

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1/2×78.5+78.5×4/3+78.5×1/6怎么简算1/2×78.5+78.5×4/3+78.5×1/6怎么简算1/2×78.5+78.5×4/3+78.5×1/6怎么简算原式=(1/2+4/

1/2×78.5+78.5×4/3+78.5×1/6怎么简算
1/2×78.5+78.5×4/3+78.5×1/6怎么简算

1/2×78.5+78.5×4/3+78.5×1/6怎么简算
原式=(1/2+4/3+1/6)×78.5
=2×78.5
=157

1/2×78.5+78.5×4/3+78.5×1/6
=78.5×(1/2+4/3+1/6)
=78.5×2
=157