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Minh khang
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0
2023-03-27 19:48:21
Số học sinh không biết bơi là :
( 40 - 10 ) : 2 = 15 ( học sinh )
Số học sinh biết bơi là :
15 + 10 = 25 ( học sinh )
Đáp số : Học sinh biết bơi : 15 học sinh
Học sinh không biết bơi : 25 học sinh
2023-03-27 19:30:51
2017 x ( 101 - 1 ) = 2017 x 100
= 201700