少先隊(duì)員參加綠化,上山植樹(shù)他們準(zhǔn)備栽的樹(shù)苗,蘋果樹(shù)苗是梨樹(shù)苗的兩倍如果梨樹(shù)苗每人栽3棵蘋果樹(shù)苗每人栽七

少先隊(duì)員參加綠化,上山植樹(shù)他們準(zhǔn)備栽的樹(shù)苗,蘋果樹(shù)苗是梨樹(shù)苗的兩倍如果梨樹(shù)苗每人栽3棵蘋果樹(shù)苗每人栽七
少先隊(duì)員參加綠化,上山植樹(shù)他們準(zhǔn)備栽的樹(shù)苗,蘋果樹(shù)苗是梨樹(shù)苗的兩倍如果梨樹(shù)苗每人栽3棵蘋果樹(shù)苗每人栽七棵少6棵問(wèn)上山參加植樹(shù)人數(shù)多少人?他們準(zhǔn)備栽多少蘋果樹(shù)和梨樹(shù)?

數(shù)學(xué)人氣：631 ℃時(shí)間：2019-09-05 08:35:22

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