【1.Onthefarm,therearetwelveducksandeightpigs.look!Therearefourducksswimminginthepondhowmanyanimalsonthefarm?whatoperationdoyouuse2.inthesupermarket,thereare28basketbals,ibuytwo,andJerrybuys4basketalls

问题：【1.Onthefarm,therearetwelveducksandeightpigs.look!Therearefourducksswimminginthepondhowmanyanimalsonthefarm?whatoperationdoyouuse2.inthesupermarket,thereare28basketbals,ibuytwo,andJerrybuys4basketalls.Howmanybaske】

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网友采纳　　howmanyanimalsonthefarm?Twentyanimalsonthefarm.whatoperationdoyouuse?addition2.inthesupermarket,thereare28basketbals,ibuytwo,andJerrybuys4basketalls.Howmanybasketballslef...