BA

Tổng một số tự nhiên và một số tự nhiên bằng 2100,68. Bỏ dấu phẩy của số thập phân đi ta được số mới hơn số tự nhiên 6654 đơn vị. Tìm số thập phân đó.
                          ( Ghi lời giải là giúp mik nha ^-^ ) 

BV
10 tháng 3 2016 lúc 20:44

X+Y=2100.68

and -X+100=6654

giả hpt X=2.14

Y=86.68

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NH
10 tháng 3 2016 lúc 20:42

ấn vào Đúng 0 sẽ hiên ra cách làm và kết quả

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QA
10 tháng 3 2016 lúc 20:51

Khi bỏ dấu phẩy của số đó đi ta được 1 số mới gấp 100 lần số phải tìm

Vậy số thập phân đó là :

( 2100,68 + 6654 ) : ( 100 + 1 ) = 86,68

Đáp số : 86,68

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DX
28 tháng 2 2017 lúc 20:19

86,68 tôi chắc chắn 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

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TN
1 tháng 3 2017 lúc 19:51

cái bài này cả lớp mình chẳng thằng nào biết giải hết 

mình làm rồi 86,68 đúng 1000000000000000000000000000000000000000000000000000000000000000000000000%%%%%%

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H24
5 tháng 3 2017 lúc 18:51

86,68 đó !

mình chắc chán 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% luôn đó

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