Số cam còn lại sau lần bán thứ hai là:
[10+1] x 2 = 22 [quả]
Số cam còn lại sau lần bán thứ nhất là:
[22+1] x 2= 46 [quả]
Số cam lúc đầu là:
[46+1] x 2 = 94 [quả]
Đáp số : 94 quả
Ta có sơ đồ :
Ngày 1 : |----------|-1quả-|--------|
Ngày 2 : |----|-1quả|---|
Ngày 3 : |---|1quả|-|
Sau khi bán ngày 3 số cam còn lại là :
( 10 + 1) x 2 = 22 ( quả )
Sau khi bán ngày 2 số cam còn lại là :
( 22 + 1 ) x 2 = 46 ( quả )
Sau khi bán ngày 1 số quả còn lại là :
( 46 + 1 ) x 2 = 94 ( quả )
Đáp số : 94 quả
94 quả cam đúng 1000000000000000000000000000000000000000000000000000000000000000000000000000000000 %
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Bằng 94 quả bạn nhé (tích cho mình, thank you😊)
