
脱式计算能简算的要简算,拜托啦,大神们!
3个回答
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2005÷2003/2004
=2005×2004/2003
=2005×(1+1/2003)
=2005+2005×1/2003
=2005+1又2/2003
=2006又2/2003
(7/20+20%-3/10)÷1%
=(7/20+20%-3/10)×100
=7/20×100+20%×100-3/10×100
=35+20-30
=25
(15/28×7/25+1/4)÷40%
=(3/20+1/4)÷0.4
=0.4÷0.4
=1
(3.7+17/3-5/3)÷0.11×0.03
=【3.7+(17/3-5/3)】÷0.11×0.03
=【3.7+4】÷0.11×0.03
=7.7÷0.11×0.03
=70×0.03
=2.1
=2005×2004/2003
=2005×(1+1/2003)
=2005+2005×1/2003
=2005+1又2/2003
=2006又2/2003
(7/20+20%-3/10)÷1%
=(7/20+20%-3/10)×100
=7/20×100+20%×100-3/10×100
=35+20-30
=25
(15/28×7/25+1/4)÷40%
=(3/20+1/4)÷0.4
=0.4÷0.4
=1
(3.7+17/3-5/3)÷0.11×0.03
=【3.7+(17/3-5/3)】÷0.11×0.03
=【3.7+4】÷0.11×0.03
=7.7÷0.11×0.03
=70×0.03
=2.1
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展开全部
2005÷2003/2004
=2005×2004/2003
=2006+2/2003
(1/20+20%-3/10)÷1%
=5+20-30
=-5
(15/28*7/25+1/4)÷40%
=(1/4*3/5+1/4)×5/2
=1/4×(8/5*5/2)
=1
(3.7+17/3-5/3)÷0.11×0.03
=[3.7+(17/3-5/3)]÷0.11×0.03
=7.7÷0.11×0.03
=70×0.03
=2.1
如果你觉得我的回答比较满意,希望你给予采纳,因为解答被采纳是我们孜孜不倦为之付出的动力!
=2005×2004/2003
=2006+2/2003
(1/20+20%-3/10)÷1%
=5+20-30
=-5
(15/28*7/25+1/4)÷40%
=(1/4*3/5+1/4)×5/2
=1/4×(8/5*5/2)
=1
(3.7+17/3-5/3)÷0.11×0.03
=[3.7+(17/3-5/3)]÷0.11×0.03
=7.7÷0.11×0.03
=70×0.03
=2.1
如果你觉得我的回答比较满意,希望你给予采纳,因为解答被采纳是我们孜孜不倦为之付出的动力!
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