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Tính khối lượng của quả dưa hấu sau 1 tuần

Một quả dưa hấu nặng 1000g chứa 93% nước. Sau 1 tuần, lượng nước chỉ còn 90%. Hỏi khối lượng quả dưa sau 1 tuần?

Theo dõi Vi phạm
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Trả lời (17)

 
 
 
  • Lượng nước của quả dưa hấu ban đầu là:

    1000:100.93=930(g)

    Ruột dưa hấu nặng là(không tính phần nước):

    1000-930=70(g)

    Lượng nước của quả dưa hấu sau 1 tuần là:
    1000:100.90=900(g)
    Khối lượng của quả dưa hấu sau 1 tuần là:
    900+70=970(g)
    Đáp số:970 g

      bởi Ngô Huỳnh Anh 19/12/2018
    Like (0) Báo cáo sai phạm
  • khối lượng của quả dưa hấu là 970g

      bởi Đoàn Tố Như 19/12/2018
    Like (1) Báo cáo sai phạm
  • Khối lượng quả dưa hấu sau 1 tuần là :

    1000.90%=900(g)

    Vậy....

      bởi Lưu Công Hoàng Long 19/12/2018
    Like (3) Báo cáo sai phạm
  • Ruột dưa hấu nặng:

    1000 : 100 . ( 100 - 93 ) = 70 ( g )

    Khi đó quả dưa hấu nặng:

    70 : ( 100 - 90 ) . 100 = 700 ( g )

      bởi Trần Thùy Trâm 19/12/2018
    Like (0) Báo cáo sai phạm
  • 970 G

      bởi Trần Duy Hải Hoàng 19/12/2018
    Like (0) Báo cáo sai phạm
  • 900g

      bởi Nguyễn Hoàng Ngân 19/12/2018
    Like (1) Báo cáo sai phạm
  • 0,9677419355 kg

    hay 967,7419355g

      bởi Dương Nhựt Thanh Trúc 19/12/2018
    Like (0) Báo cáo sai phạm
  •                                               Khối lượng của quả dưa sau 1 tuần là:

                                                       1000.93%.90%=837(kg)

                      [[Các bạn ơi, dấu chấm có nghĩa là dấu nhân đó nha! Thanks for reading]]

      bởi Thuy Vy 19/12/2018
    Like (0) Báo cáo sai phạm
  • 970

      bởi tran ngoc thien hoang 19/12/2018
    Like (0) Báo cáo sai phạm
  • 970g

    easy

      bởi vũ đình phong 20/12/2018
    Like (0) Báo cáo sai phạm
  • 970g

      bởi Trần Duy Hải Hoàng 20/12/2018
    Like (0) Báo cáo sai phạm
  • Đáp án: 970g

      bởi Trúc Mai 20/12/2018
    Like (0) Báo cáo sai phạm
  • 970

      bởi Độ ta Không độ nàng 20/12/2018
    Like (0) Báo cáo sai phạm
  • NẶNG 970 G 

      bởi Trần Duy Hải Hoàng 20/12/2018
    Like (0) Báo cáo sai phạm

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