974*74+974+974*25 简便

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974*74+974+974*25简便974*74+974+974*25简便974*74+974+974*25简便974*74+974+974*25=974*(74+1+25)=974*100=974

974*74+974+974*25 简便
974*74+974+974*25 简便

974*74+974+974*25 简便
974*74+974+974*25
=974*(74+1+25)
=974*100
=97400

974*74+974*1+974*25=974*(74+1+25)=97400

974*74+974*1+974*25=974*(74+1+25)=97400

974x74+974+974x25
=974x(74+1+25)
=974x100
=97400