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2021ԴйPԇ俼}14

2020-12-02 10:08:47 | ԴйƸW

㽭ƸW㽭ƸϢ㽭Ƹ2021ԴйPԇ俼}14

й㽭¿ԇW]ھԃ | Դ俼Ⱥ | 㽭΢Ź̖

й㽭¿ԇW]2021ԴͶYFƸon

1.0.1+0.2+0.3……+9.9+10+9.9+9.8+9.7+……+0.1=()
A.1020 B.1010 C.1000 D.990
2.҃ˏĸԌWУͬr֪9:00ͬrl11:00߀36ǧ1:0036ǧô҃ڌWУ()ǧ
A.108 B.106 C.98 D.96
3.75×65+74×35+35=()
A.7460 B.7430 C.7400 D.7500
4.ijһl·м6ZվÿZվ֮gľx5֪׼ZվдZ50ҼZվдZ10ZվдZ40ZվдZ5Zվ]дZFҪ6ZվеĴZеһZվ֪\1Zʳÿ\M200Ԫʹ\Mtе()Zվ
A.B.C.D.
𰸡
1.𰸡C10ʣ”ֿԿɃɂȲԭʽ=10+(0.1+9.9)×99÷2×2=10+990=1000
2.𰸡A֪҃11c36ǧ1c36ǧСr72ǧ1Сr˿36ǧ֪9c11c˃Сr72ǧ˕r36ǧ֪ɵ72+36=108ǧ
3.𰸡Dԭʼ=75×65+(74+1)×35=75×65+75×35=75×100=7500
4.𰸡COZվx1λÿZʳ\ݔ1λҪ\M1еMÞ10+160+25=195;еMÞ50+120+20=190;еMÞ200+30+5=235;еMøʱ}𰸞C

 

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