75×4.67+17.9×2.5应怎样简算

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75×4.67+17.9×2.5应怎样简算75×4.67+17.9×2.5应怎样简算75×4.67+17.9×2.5应怎样简算=(70+5)×4.67+17.9×(2+0.5)=70×4.67+5×4

75×4.67+17.9×2.5应怎样简算
75×4.67+17.9×2.5应怎样简算

75×4.67+17.9×2.5应怎样简算
=(70+5)×4.67+17.9×(2+0.5)
=70×4.67+5×4.67+17.9×2+17.9×0.5
=326.9+23.35+35.8+8.95
=350.25+44.75
=395