• 2022-05-29 问题

    用计算器计算下面各题.1÷15=2÷15=3÷15=4÷15=5÷15=6÷15=7÷15=8÷15=9÷15=10÷15=11÷15=12÷15=13÷15=14÷15=15÷15=你发现了什么?你能很快算出下面各式的商吗?23÷15=37÷15=47÷15=69÷15=154÷15=

    用计算器计算下面各题.1÷15=2÷15=3÷15=4÷15=5÷15=6÷15=7÷15=8÷15=9÷15=10÷15=11÷15=12÷15=13÷15=14÷15=15÷15=你发现了什么?你能很快算出下面各式的商吗?23÷15=37÷15=47÷15=69÷15=154÷15=

  • 2021-04-14 问题

    15%15%15%15%是()让步。

    15%15%15%15%是()让步。

  • 2022-06-12 问题

    cos(α-15°)cos(α+15°)+sin(α-15°)sin(α+15°)=______.

    cos(α-15°)cos(α+15°)+sin(α-15°)sin(α+15°)=______.

  • 2022-06-06 问题

    Practice3<br/>Fortherestofthemonth,anepidemic(流行病)willsweepacrosstheUS.Itwillkeepkidshomefromschool.Collegestudentswillignorepilesofhomework.Employeeswillsuddenlylosetheirabilitiestoconcentrate.<br/>Thedisease,knownas“MarchMadness”,referstotheyearly65-teamUSmen’scollegebasketballtournament.ItbeginsonMarch15andlaststhroughthebeginningofApril.Teamscompeteagainsteachotherinasingleeliminationtournamentthateventuallycrownsanationalchampion.<br/>Nearly20millionAmericanswillfindthemselvesprisonersofbasketballfestivalmadness.<br/>Thefuncomespartlyfromguessingthewinnersforeverygame.Friendscompeteagainstfriends,husbandsagainstwives,andcolleaguesagainstbosses.<br/>Big-nameschoolsareusuallyfavoredtoadvanceintothetournament.Buteachyeartherearedarkhorsesfromlittle-knownuniversities.<br/>Thisaddstothemadness.Watchingateamfromaschoolwith3,000studentsbeatateamfromaschoolwith30,000,formanyAmericans,isanexcitingexperience.Lastyear,thelittle-knownGeorgeMasonUniversitywasoneofthefinalfourteams.Manypeoplehadneverevenheardoftheuniversitybeforethetournament.<br/>Collegebasketballplayersarenotpaid,sothegameismoreaboutmakinganamefortheiruniversityandthemselves.Butthatdoesn’tmeanmoneyisn’tinvolved.<br/>About$4billionwillbespentgamblingontheevent.Accordingto<em>MediaLife</em>magazine,theeventwilldrawover$500millioninadvertisingrevenuethisyear,toppingthepost-seasonrevenue,includingthatoftheNBA(全国篮球协会).

    Practice3<br/>Fortherestofthemonth,anepidemic(流行病)willsweepacrosstheUS.Itwillkeepkidshomefromschool.Collegestudentswillignorepilesofhomework.Employeeswillsuddenlylosetheirabilitiestoconcentrate.<br/>Thedisease,knownas“MarchMadness”,referstotheyearly65-teamUSmen’scollegebasketballtournament.ItbeginsonMarch15andlaststhroughthebeginningofApril.Teamscompeteagainsteachotherinasingleeliminationtournamentthateventuallycrownsanationalchampion.<br/>Nearly20millionAmericanswillfindthemselvesprisonersofbasketballfestivalmadness.<br/>Thefuncomespartlyfromguessingthewinnersforeverygame.Friendscompeteagainstfriends,husbandsagainstwives,andcolleaguesagainstbosses.<br/>Big-nameschoolsareusuallyfavoredtoadvanceintothetournament.Buteachyeartherearedarkhorsesfromlittle-knownuniversities.<br/>Thisaddstothemadness.Watchingateamfromaschoolwith3,000studentsbeatateamfromaschoolwith30,000,formanyAmericans,isanexcitingexperience.Lastyear,thelittle-knownGeorgeMasonUniversitywasoneofthefinalfourteams.Manypeoplehadneverevenheardoftheuniversitybeforethetournament.<br/>Collegebasketballplayersarenotpaid,sothegameismoreaboutmakinganamefortheiruniversityandthemselves.Butthatdoesn’tmeanmoneyisn’tinvolved.<br/>About$4billionwillbespentgamblingontheevent.Accordingto<em>MediaLife</em>magazine,theeventwilldrawover$500millioninadvertisingrevenuethisyear,toppingthepost-seasonrevenue,includingthatoftheNBA(全国篮球协会).

  • 2022-06-07 问题

    -4.00-2.00×15/+3.00+1.00×15=()。 A: -1.00+1.00×15 B: +1.00-1.00×15 C: -1.00-1.00×15 D: -l.00-1.00×105

    -4.00-2.00×15/+3.00+1.00×15=()。 A: -1.00+1.00×15 B: +1.00-1.00×15 C: -1.00-1.00×15 D: -l.00-1.00×105

  • 2022-06-08 问题

    根据123×15=1845,写出1.23×15=(    ),12.3×15=(     ),1230×15=(     )。

    根据123×15=1845,写出1.23×15=(    ),12.3×15=(     ),1230×15=(     )。

  • 2022-06-15 问题

    女衬衫前肩斜的比值是( )。 A、15:6 B、15:3 C、15:7 D、15:2.5 A: A、15:6 B: B、15:3 C: C、15:7 D: D、15:2.5

    女衬衫前肩斜的比值是( )。 A、15:6 B、15:3 C、15:7 D、15:2.5 A: A、15:6 B: B、15:3 C: C、15:7 D: D、15:2.5

  • 2021-04-14 问题

    【单选题】15题 A. 15题A B. 15题B C. 15题C D. 15题D

    【单选题】15题 A. 15题A B. 15题B C. 15题C D. 15题D

  • 2022-06-07 问题

    -4.00×15/-2.00×15=()。 A: -4.00 B: -2.00 C: -6.00×15 D: +6.00×15

    -4.00×15/-2.00×15=()。 A: -4.00 B: -2.00 C: -6.00×15 D: +6.00×15

  • 2022-06-04 问题

    已知东十二区是1月1日15:15,则此时西十二区是() A: 1月1日15:15 B: 12月31日15:15 C: 1月1日3:15 D: 12月31日3:15

    已知东十二区是1月1日15:15,则此时西十二区是() A: 1月1日15:15 B: 12月31日15:15 C: 1月1日3:15 D: 12月31日3:15

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