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2023-07-02 16:52:40
2/3 + (-1/3) +7/15
= (2/3 + (-1/3))+7/15
= 1/3 + 7/15
= 5/15 + 7/15
= 12/15
= 4/5
2023-07-02 16:45:27
B= 3,25 x 5,2 + 3,25 x 3,5 - 2,25 x 8,7
B= (3,25 x 5,2 + 3,25 x 3,5 ) - 2,25 x 8,7
B=(3,25 x (5,2 + 3,5 ) - 2,25 x 8,7
B=3,25 x 8,7 - 2,25 x 8,7
B=(3,25 - 2,25 ) x 8,7
B= 1 x 8,7
B= 8,7
2023-07-02 16:37:39
ủa tự dưng cảm ơn bn rất nhiều nghe thấy ảo ????
2023-07-02 16:36:05
1+1+1+1+1+1+1+1=8