(4+1/5-(3+1/2)+(1+3/4)除345乘345减(-0.01*0.01)除(3.45*3.45)

柔星2022-10-04 11:39:541条回答

(4+1/5-(3+1/2)+(1+3/4)除345乘345减(-0.01*0.01)除(3.45*3.45)
Bangbangmang

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二逑 共回答了19个问题 | 采纳率78.9%
你这个式子写错了啊 再把括号改改
知不道对不对啊 我算着为 -8.4015963032976 * 10 -6
1年前

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2006分之2005乘1999等于多少?567乘345加222分之567加345乘566等于多少?
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2005/2006×1999
=(1-1/2006)×1999
=1×1999-1/2006×1999
=1999-1999/2006
=1998+1-1999/2006
=1998又2006分之7
(567+345×566)/(567×345+222)
=[567+345×(567-1)]/(567×345+222)
=(567+345×567-345×1)/(567×345+222)
=(345×567+222)/(567×345+222)
=1
576加345乘566分之576乘345加222
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(576×345+222)/(576+345×566)
=543942/195846
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34.5乘76.5减345乘6.42减123乘1045简便方法
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34.5乘76.5减345乘6.42减123乘10.45
=34.5乘76.5减34.5乘64.2减123乘10.45
=34.5×(76.5-64.2)-123×10.45
=34.5×12.3-12.3×104.5
=12.3×(34.5-104.5)
=12.3×(-100)
=-1230