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15 tháng 6 2016

74 x 158 + 69

=11692 + 69

=23453

158 x 75 - 89

=11850 - 89

=11672

15 tháng 6 2016

74x158+69 = 11692 + 69 = 11761

158x75-89 = 11850 - 89 = 11761

I think so !!

16 tháng 12 2017

\(=\frac{74+69}{75+89}\)\(=\frac{10}{13}\)

6 tháng 12 2016

89 : 0,25 + 89 : 0,2 + 89

=356 +445 + 89 

=801 + 89 

= 890

k mình nhà còn 1 cách nữa nha bn 

mình hâm mộ khởi my lắm

6 tháng 12 2016

89:0,25+89:0,2+89

=89:0,25+89:0,2+89:1

=(0,25+0,2+1):89

=1,45:89

tính tiêp đi

22 tháng 3 2016

(11692+69)/(11850-89)=11761/11761=1

22 tháng 3 2016

( 74 x 158 + 59 ) : ( 158 x 75 - 89 )

= ( 11692 + 59 ) : ( 11840 - 89 )

= 11751 : 11751

=  1

29 tháng 6 2017

=2057 nha

29 tháng 6 2017

(  89   - 69 ) + 5765 - 746 x 20 : 4 + 6 : 3

=  20 + 5765 - 746  x 5 + 2  

= 20 +  5765  - 3730 + 2

= 2057

Ps : Nhân chia trước cộng trừ sau thôi!

^^ Ủng hộ nha!         

20 tháng 5 2016

\(\frac{5392+6001x5931}{6381x6001-69}=\frac{35597323}{3829312}\)

20 tháng 5 2016

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4 tháng 6 2016

=(9*...9)*(...9*...9)*(...9*...9)*(...9*...9)*(...9*...9)=(...1)*(...1)*(...1)*(...1)*(...1)

 số tự nhiên vốn không có số tận cùng nên cũng k có số tận cùng cho dãy số này đâu bạn nhé