梨樹(shù):370÷(1+1/4+1+1-1/6)
=370÷37/12
=120棵
桃樹(shù):120×(1+1/4)=150棵
李樹(shù):120×(1-1/6)=100棵
果園里有三種樹(shù)共370棵,桃樹(shù)比梨樹(shù)多四分之一,李樹(shù)比梨樹(shù)少六分之一,三種果樹(shù)各多少棵?要算術(shù)法.
果園里有三種樹(shù)共370棵,桃樹(shù)比梨樹(shù)多四分之一,李樹(shù)比梨樹(shù)少六分之一,三種果樹(shù)各多少棵?要算術(shù)法.
數(shù)學(xué)人氣:373 ℃時(shí)間:2020-04-05 13:02:53
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