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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }ĿСy(c)һ׵ܶ,(sh)(yn)E:

          1һ׷bˮğ׳뱭ˮu}òpp裬֪}ˮБҸ

          2{(dio)(ji)ƽDʾIJһ̎e(cu)`e(cu)`_______

          3̫ƽQ}ˮĿ|(zh)m1Dm1=______gğеһ}ˮͲDt}ˮwe_______cm3̫ƽQʣ}ˮĿ|(zh)m2=44g

          4׵ܶȞ_______Kg/m3.׵ܶȵ}ˮܶȵԭ_______

          5СAJ(rn)С̫韩ֱƽͲքey(c)׵|(zh)weȻ׵ܶȡJ(rn)l_______ɣ_______

          𰸡 {(dio)(ji)̫ƽƽr(sh)]ЌδaƵ̶̎ 77 30 1.1103 (dng)wҺwБҸr(sh)wܶȵҺwܶ С һ׵|(zh)weСܜ(zhn)_y(c)

          2{(dio)(ji)ƽr(sh)Ȍδaܵ0̾̎Ȼ{(dio)(ji)ƽĸʹMƽ⣮Dеe(cu)`ǣ]Ќδaܵ0̾̎{(dio)(ji)ƽ
          3ɈDδaֵֶ0.2gƽx(sh)m=50g+20g+5g+2g=77gɈD֪Ͳķֵֶ1mLͲ}ˮweV=30mL=30cm3
          4Ͳ}ˮ|(zh)m=m1-m2=77g-44g=33gt}ˮܶȣ
          בҸ}ˮܶȵ}ˮܶȣʻ׵ܶȞ1.1g/cm3=1.1103kg/m3
          5?yn)һ׵|(zh)we^С׮a(chn)^`Сķã
          ʴ𰸞飺2{(dio)(ji)ƽƽr(sh)]ЌδaƵ̶̎3773041.1103(dng)wҺwБҸr(sh)wܶȵҺwܶ5Сһ׵|(zh)weСܜ(zhn)_y(c)

          (x)(c)ϵд
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          Ŀ Դ

          }ĿҺw^՟wҺ^зųД(du)e(cu)

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          }ĿЬF(xin)ЌAF(xin)ǣ

          A. X׃С B. ˮY(ji)ɱ

          C. ¶ˮγ D. ƲС

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          }Ŀ(du)иNF(xin)γԭ_ǣ

          A. FǵıKAγɵ

          B. ˪ǿ՚еˮAγɵ

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          D. ˮAγɵ

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          }ĿЌ•ǣ
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          B.nr(sh)W(xu)Уă(yu)ĸ•
          C.dﱊĽ푘
          D._(ti)Ͽڼ݆TģµL(fng)•

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          }Ŀ҇y(tng)嘷ƓP(yng)ĵ•ڿ՚a(chn)҂ܱe••?yn)?/span>x{(dio)푶ȡɫͬDʾĘ(bio)R(sh)ĭh(hun)o(h)ĽǶȁ@̎•

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          }Ŀһ(g)Ƥȥy(c)nLy(c)Y(ji)挍(sh)ֵ

          A. ƫ B. ƫС C. D. o_

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          }ĿСtϲgƱһˮУˮȫY(ji)ɱtˮY(ji)󣨡
          A.|(zh)׃Сܶ׃
          B.|(zh)׃ܶ׃С
          C.|(zh)׃ܶȲ׃
          D.|(zh)׃ܶ׃

          鿴𰸺ͽ>>

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          }Ŀڡy(c)Сݵ늹ʡ(sh)(yn)Դ늉6VСL~늉2.5Vs10ɹxõĻ(dng)׃R1R2ֵքe0.2A100.5A50(sh)(yn)·Dʾ

          1ʹ(sh)(yn)M(jn)(yng)x׃_____푪(yng)x______A

          2·_BӺ]_P(gun)Ƅ(dng)ƬPl(f)^ʼKoʾ(sh)늉ʾ(sh)tԭ____________________

          3¸Qĺ(sh)(yn)҈DǸ(j)(sh)(yn)(sh)(j)LɵUID񡣸(j)DṩϢӋ(j)Сݵ~____W(dng)(dng)׃ĻƬƄ(dng)r(sh)Сݵ茢__________

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