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  • 1.在-|-2|、-|-(-2)|、-(+2)、-(-1/2)、-[+(-2)],+[-(+1/2)]中,負(fù)數(shù)有幾個?2.已知|a|=|b|,則a和b的關(guān)系為________________.3.計算:|1/3-1/2|+|4/1-1/3|

    1.在-|-2|、-|-(-2)|、-(+2)、-(-1/2)、-[+(-2)],+[-(+1/2)]中,負(fù)數(shù)有幾個?2.已知|a|=|b|,則a和b的關(guān)系為________________.3.計算:|1/3-1/2|+|4/1-1/3|+…+|1/10-1/9|(要有過程) 4.He wants to play in the next World Cup.(改為同義句) He ______ ________ to play in the next World Cup.
    數(shù)學(xué)人氣:815 ℃時間:2020-05-10 01:24:40
    優(yōu)質(zhì)解答
    1.在-|-2|、-|-(-2)|、-(+2)、-(-1/2)、-[+(-2)],+[-(+1/2)]中,負(fù)數(shù)有4個,分別是:-|-2|、-|-(-2)|、-(+2),+[-(+1/2)] 2.已知|a|=|b|,則a和b的關(guān)系為____a=±b____________.3.計算:|1/3-1/2|+|4/1-1/3|+…+|1/10-1/9|(要有過程) =1/2-1/3+1/3-4/1+……+1/9-1/10 =1/2-1/10 =2/5 4.He wants to play in the next World Cup.(改為同義句) He _would_____ _like_______ to play in the next World Cup.
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